WO1997012987A1 - Procede pour produire une cellulose bacterienne - Google Patents
Procede pour produire une cellulose bacterienne Download PDFInfo
- Publication number
- WO1997012987A1 WO1997012987A1 PCT/JP1996/002454 JP9602454W WO9712987A1 WO 1997012987 A1 WO1997012987 A1 WO 1997012987A1 JP 9602454 W JP9602454 W JP 9602454W WO 9712987 A1 WO9712987 A1 WO 9712987A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- culturing
- cellulosic
- culture
- producing
- maintaining
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract description 27
- 229920002749 Bacterial cellulose Polymers 0.000 title abstract description 26
- 239000005016 bacterial cellulose Substances 0.000 title abstract description 26
- 230000008569 process Effects 0.000 title abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000001301 oxygen Substances 0.000 claims abstract description 30
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 claims abstract description 23
- 241000894006 Bacteria Species 0.000 claims abstract description 15
- 238000012258 culturing Methods 0.000 claims abstract description 15
- 229920002678 cellulose Polymers 0.000 claims abstract description 14
- 239000001913 cellulose Substances 0.000 claims abstract description 14
- 238000000855 fermentation Methods 0.000 claims abstract description 8
- 230000004151 fermentation Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000001963 growth medium Substances 0.000 claims abstract description 5
- 238000000518 rheometry Methods 0.000 claims abstract 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 26
- 239000000126 substance Substances 0.000 claims description 18
- 239000001569 carbon dioxide Substances 0.000 claims description 13
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 13
- 238000003756 stirring Methods 0.000 abstract description 11
- 230000005526 G1 to G0 transition Effects 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 abstract 1
- 230000003028 elevating effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 14
- 239000012071 phase Substances 0.000 description 12
- 210000004027 cell Anatomy 0.000 description 11
- 239000002609 medium Substances 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000005273 aeration Methods 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 241000589220 Acetobacter Species 0.000 description 5
- 244000235858 Acetobacter xylinum Species 0.000 description 5
- 235000015097 nutrients Nutrition 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 235000013305 food Nutrition 0.000 description 4
- 238000000691 measurement method Methods 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- ALYNCZNDIQEVRV-UHFFFAOYSA-N 4-aminobenzoic acid Chemical compound NC1=CC=C(C(O)=O)C=C1 ALYNCZNDIQEVRV-UHFFFAOYSA-N 0.000 description 2
- 235000002837 Acetobacter xylinum Nutrition 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 241000207199 Citrus Species 0.000 description 2
- 229930091371 Fructose Natural products 0.000 description 2
- 239000005715 Fructose Substances 0.000 description 2
- RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- SQUHHTBVTRBESD-UHFFFAOYSA-N Hexa-Ac-myo-Inositol Natural products CC(=O)OC1C(OC(C)=O)C(OC(C)=O)C(OC(C)=O)C(OC(C)=O)C1OC(C)=O SQUHHTBVTRBESD-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- AUNGANRZJHBGPY-SCRDCRAPSA-N Riboflavin Chemical compound OC[C@@H](O)[C@@H](O)[C@@H](O)CN1C=2C=C(C)C(C)=CC=2N=C2C1=NC(=O)NC2=O AUNGANRZJHBGPY-SCRDCRAPSA-N 0.000 description 2
- 229930006000 Sucrose Natural products 0.000 description 2
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- WQZGKKKJIJFFOK-PHYPRBDBSA-N alpha-D-galactose Chemical compound OC[C@H]1O[C@H](O)[C@H](O)[C@@H](O)[C@H]1O WQZGKKKJIJFFOK-PHYPRBDBSA-N 0.000 description 2
- 150000001413 amino acids Chemical class 0.000 description 2
- PYMYPHUHKUWMLA-UHFFFAOYSA-N arabinose Natural products OCC(O)C(O)C(O)C=O PYMYPHUHKUWMLA-UHFFFAOYSA-N 0.000 description 2
- SRBFZHDQGSBBOR-UHFFFAOYSA-N beta-D-Pyranose-Lyxose Natural products OC1COC(O)C(O)C1O SRBFZHDQGSBBOR-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 235000020971 citrus fruits Nutrition 0.000 description 2
- 238000012136 culture method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- -1 etc. Chemical compound 0.000 description 2
- OVBPIULPVIDEAO-LBPRGKRZSA-N folic acid Chemical compound C=1N=C2NC(N)=NC(=O)C2=NC=1CNC1=CC=C(C(=O)N[C@@H](CCC(O)=O)C(O)=O)C=C1 OVBPIULPVIDEAO-LBPRGKRZSA-N 0.000 description 2
- 229930182830 galactose Natural products 0.000 description 2
- 150000004676 glycans Chemical class 0.000 description 2
- CDAISMWEOUEBRE-GPIVLXJGSA-N inositol Chemical compound O[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@H](O)[C@@H]1O CDAISMWEOUEBRE-GPIVLXJGSA-N 0.000 description 2
- 229960000367 inositol Drugs 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 210000001724 microfibril Anatomy 0.000 description 2
- 235000013379 molasses Nutrition 0.000 description 2
- 238000002703 mutagenesis Methods 0.000 description 2
- 231100000350 mutagenesis Toxicity 0.000 description 2
- 230000036284 oxygen consumption Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920001282 polysaccharide Polymers 0.000 description 2
- 239000005017 polysaccharide Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- LXNHXLLTXMVWPM-UHFFFAOYSA-N pyridoxine Chemical compound CC1=NC=C(CO)C(CO)=C1O LXNHXLLTXMVWPM-UHFFFAOYSA-N 0.000 description 2
- 239000011833 salt mixture Substances 0.000 description 2
- CDAISMWEOUEBRE-UHFFFAOYSA-N scyllo-inosotol Natural products OC1C(O)C(O)C(O)C(O)C1O CDAISMWEOUEBRE-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000005720 sucrose Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 229940088594 vitamin Drugs 0.000 description 2
- 235000013343 vitamin Nutrition 0.000 description 2
- 239000011782 vitamin Substances 0.000 description 2
- 229930003231 vitamin Natural products 0.000 description 2
- OWEGMIWEEQEYGQ-UHFFFAOYSA-N 100676-05-9 Natural products OC1C(O)C(O)C(CO)OC1OCC1C(O)C(O)C(O)C(OC2C(OC(O)C(O)C2O)CO)O1 OWEGMIWEEQEYGQ-UHFFFAOYSA-N 0.000 description 1
- 241000589158 Agrobacterium Species 0.000 description 1
- 241000588986 Alcaligenes Species 0.000 description 1
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- 241000589151 Azotobacter Species 0.000 description 1
- 235000016068 Berberis vulgaris Nutrition 0.000 description 1
- 241000335053 Beta vulgaris Species 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- AUNGANRZJHBGPY-UHFFFAOYSA-N D-Lyxoflavin Natural products OCC(O)C(O)C(O)CN1C=2C=C(C)C(C)=CC=2N=C2C1=NC(=O)NC2=O AUNGANRZJHBGPY-UHFFFAOYSA-N 0.000 description 1
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- SHZGCJCMOBCMKK-UHFFFAOYSA-N D-mannomethylose Natural products CC1OC(O)C(O)C(O)C1O SHZGCJCMOBCMKK-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-QTVWNMPRSA-N D-mannopyranose Chemical compound OC[C@H]1OC(O)[C@@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-QTVWNMPRSA-N 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 241000360590 Erythrites Species 0.000 description 1
- IAJILQKETJEXLJ-UHFFFAOYSA-N Galacturonsaeure Natural products O=CC(O)C(O)C(O)C(O)C(O)=O IAJILQKETJEXLJ-UHFFFAOYSA-N 0.000 description 1
- 229920001503 Glucan Polymers 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical compound OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 description 1
- FFEARJCKVFRZRR-BYPYZUCNSA-N L-methionine Chemical compound CSCC[C@H](N)C(O)=O FFEARJCKVFRZRR-BYPYZUCNSA-N 0.000 description 1
- SHZGCJCMOBCMKK-JFNONXLTSA-N L-rhamnopyranose Chemical compound C[C@@H]1OC(O)[C@H](O)[C@H](O)[C@H]1O SHZGCJCMOBCMKK-JFNONXLTSA-N 0.000 description 1
- PNNNRSAQSRJVSB-UHFFFAOYSA-N L-rhamnose Natural products CC(O)C(O)C(O)C(O)C=O PNNNRSAQSRJVSB-UHFFFAOYSA-N 0.000 description 1
- GUBGYTABKSRVRQ-PICCSMPSSA-N Maltose Natural products O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1O[C@@H]1[C@@H](CO)OC(O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-PICCSMPSSA-N 0.000 description 1
- 229930195725 Mannitol Natural products 0.000 description 1
- 102000016943 Muramidase Human genes 0.000 description 1
- 108010014251 Muramidase Proteins 0.000 description 1
- 108010062010 N-Acetylmuramoyl-L-alanine Amidase Proteins 0.000 description 1
- OVBPIULPVIDEAO-UHFFFAOYSA-N N-Pteroyl-L-glutaminsaeure Natural products C=1N=C2NC(N)=NC(=O)C2=NC=1CNC1=CC=C(C(=O)NC(CCC(O)=O)C(O)=O)C=C1 OVBPIULPVIDEAO-UHFFFAOYSA-N 0.000 description 1
- JXIPHNAJWHHVHH-UHFFFAOYSA-N N=1C(C(C=C2C=CC=CC12)=O)=O.N1=CC=CC2=CC=CC=C12 Chemical compound N=1C(C(C=C2C=CC=CC12)=O)=O.N1=CC=CC2=CC=CC=C12 JXIPHNAJWHHVHH-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000001888 Peptone Substances 0.000 description 1
- 108010080698 Peptones Proteins 0.000 description 1
- IMQLKJBTEOYOSI-UHFFFAOYSA-N Phytic acid Natural products OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O IMQLKJBTEOYOSI-UHFFFAOYSA-N 0.000 description 1
- 229910052774 Proactinium Inorganic materials 0.000 description 1
- 241000589516 Pseudomonas Species 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 241000022563 Rema Species 0.000 description 1
- 241000589180 Rhizobium Species 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- 240000000111 Saccharum officinarum Species 0.000 description 1
- 235000007201 Saccharum officinarum Nutrition 0.000 description 1
- 241001162968 Sarsina Species 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- IAJILQKETJEXLJ-QTBDOELSSA-N aldehydo-D-glucuronic acid Chemical compound O=C[C@H](O)[C@@H](O)[C@H](O)[C@H](O)C(O)=O IAJILQKETJEXLJ-QTBDOELSSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 235000001014 amino acid Nutrition 0.000 description 1
- 229960004050 aminobenzoic acid Drugs 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 description 1
- 239000011609 ammonium molybdate Substances 0.000 description 1
- 235000018660 ammonium molybdate Nutrition 0.000 description 1
- 229940010552 ammonium molybdate Drugs 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- PYMYPHUHKUWMLA-WDCZJNDASA-N arabinose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)C=O PYMYPHUHKUWMLA-WDCZJNDASA-N 0.000 description 1
- GLMQHZPGHAPYIO-UHFFFAOYSA-L azanium;2-hydroxypropane-1,2,3-tricarboxylate;iron(2+) Chemical compound [NH4+].[Fe+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O GLMQHZPGHAPYIO-UHFFFAOYSA-L 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 235000015191 beet juice Nutrition 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- GUBGYTABKSRVRQ-QUYVBRFLSA-N beta-maltose Chemical compound OC[C@H]1O[C@H](O[C@H]2[C@H](O)[C@@H](O)[C@H](O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@@H]1O GUBGYTABKSRVRQ-QUYVBRFLSA-N 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- FAPWYRCQGJNNSJ-UBKPKTQASA-L calcium D-pantothenic acid Chemical compound [Ca+2].OCC(C)(C)[C@@H](O)C(=O)NCCC([O-])=O.OCC(C)(C)[C@@H](O)C(=O)NCCC([O-])=O FAPWYRCQGJNNSJ-UBKPKTQASA-L 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 229960002079 calcium pantothenate Drugs 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229940041514 candida albicans extract Drugs 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001868 cobalt Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 229940088598 enzyme Drugs 0.000 description 1
- UNXHWFMMPAWVPI-ZXZARUISSA-N erythritol Chemical compound OC[C@H](O)[C@H](O)CO UNXHWFMMPAWVPI-ZXZARUISSA-N 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229960000304 folic acid Drugs 0.000 description 1
- 235000019152 folic acid Nutrition 0.000 description 1
- 239000011724 folic acid Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 235000015203 fruit juice Nutrition 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 229940097043 glucuronic acid Drugs 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 150000002402 hexoses Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 159000000014 iron salts Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000002934 lysing effect Effects 0.000 description 1
- 239000004325 lysozyme Substances 0.000 description 1
- 229960000274 lysozyme Drugs 0.000 description 1
- 235000010335 lysozyme Nutrition 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 150000002696 manganese Chemical class 0.000 description 1
- CDUFCUKTJFSWPL-UHFFFAOYSA-L manganese(II) sulfate tetrahydrate Chemical compound O.O.O.O.[Mn+2].[O-]S([O-])(=O)=O CDUFCUKTJFSWPL-UHFFFAOYSA-L 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 239000013028 medium composition Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229930182817 methionine Natural products 0.000 description 1
- 239000003471 mutagenic agent Substances 0.000 description 1
- 231100000707 mutagenic chemical Toxicity 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229960003512 nicotinic acid Drugs 0.000 description 1
- 235000001968 nicotinic acid Nutrition 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 150000002972 pentoses Chemical class 0.000 description 1
- 235000019319 peptone Nutrition 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229940068041 phytic acid Drugs 0.000 description 1
- 235000002949 phytic acid Nutrition 0.000 description 1
- 239000000467 phytic acid Substances 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 235000008160 pyridoxine Nutrition 0.000 description 1
- 239000011677 pyridoxine Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 229960002477 riboflavin Drugs 0.000 description 1
- 235000019192 riboflavin Nutrition 0.000 description 1
- 239000002151 riboflavin Substances 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
- 229940011671 vitamin b6 Drugs 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000012138 yeast extract Substances 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P19/00—Preparation of compounds containing saccharide radicals
- C12P19/04—Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/8215—Microorganisms
- Y10S435/822—Microorganisms using bacteria or actinomycetales
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/8215—Microorganisms
- Y10S435/822—Microorganisms using bacteria or actinomycetales
- Y10S435/823—Acetobacter
Definitions
- the present invention provides a method for producing cellulosic substances while maintaining the internal pressure of a fermenter above a certain value or maintaining the concentration of carbon dioxide in a gas phase below a certain value at a certain stage of culture.
- the present invention relates to a method for producing a cellulosic substance (hereinafter, referred to as "bacterial cellulose” or "BC”) using cells belonging to a microorganism having an ability (hereinafter, referred to as "cellulose producing bacterium”).
- BC Bacterial Cellulose
- BC Bacterial Cellulose
- BC is characterized in that the fibril fragment width is about two digits smaller than cellulose produced from wood pulp or the like.
- the dissociated product of BC has various industrial uses as a reinforcing agent for polymers, especially aqueous polymers, based on such structural and physical characteristics of microfibrils.
- a material obtained by solidifying such a cellulosic disintegration into a paper or solid form exhibits a high tensile modulus, so that it is expected to have excellent mechanical properties based on the structural characteristics of microfibrils, and is applied to various industrial materials. There is.
- the nutrient medium suitable for culturing cellulosic bacteria is a Schramm / Hestrin medium consisting of a carbon source, peptone, yeast extract, sodium phosphate and citric acid (Schramm et al., J. Genera l. Biolog, 11; pp. 123-129, 1954) are known.
- inositol, phytic acid, and quinoline quinone quinoline (PQQ) which are factors for promoting the production of cellulose by specific nutrients in the medium, are disclosed in Japanese Patent Publication No. 5-17818; Mitsuo, Journal of the Japan Society of Paper and Paper Technology, Vol. 42, No. 3, pp.
- stirring means for example, an impeller (a stirring blade), an airlift fermenter, a pump-driven circulation of a fermentation broth, and a combination of these means are used.
- impellers include portal blades, turbine blades, helical rib blades, and screw blades.
- the present inventors have studied for the purpose of improving the oxygen supply by pressurizing the fermenter, which can be easily performed without requiring special equipment, and as a result, unexpectedly, by pressurizing under certain specific conditions, Found that it was possible to significantly reduce the power required for stirring to secure oxygen supply.o In addition, there has been no report on the effect of the concentration of carbon dioxide during cultivation on the productivity of BC so far.
- the present inventors have set the partial pressure of carbon dioxide in the gas phase of the fermenter below a certain value. It has been found that the maintenance of BC improves BC production rate and yield.
- the concentration of the cellulosic substance in the culture solution is generally increased to about 1 Og / L or more, preferably to about 1 gZL or more in the late stage of culture (growth decay phase and stationary phase).
- the apparent viscosity of the culture at 10 (rad / s) or 1 (1 / s) is more than about 10 (Pa, S), or is considered to be in accordance with the power law model.
- the “inner pressure of the fermenter” is the pressure of the gas phase in the fermenter when the atmospheric pressure is 1 kg / cm 2 A.
- the pressure in the fermenter can be maintained at a predetermined value or more throughout the entire cultivation process without being limited to the above-described specific stage.
- Maintaining the internal pressure of the fermenter at a predetermined pressurized state can be performed by a method known to those skilled in the art, for example, by a very simple means such as adjusting an exhaust valve.
- the present invention provides a method for culturing cellulose-producing bacteria while maintaining the carbon dioxide partial pressure in the gas phase of the fermenter at about 0.1 Oatm or less, and preferably at 0.08 atm or less.
- the present invention relates to a method for producing a cellulosic material by feeding.
- the step of maintaining the partial pressure of carbon dioxide is generally preferably in the latter stage of the culture described above, but may be maintained throughout the entire culture.
- Specific methods for maintaining the partial pressure of carbon dioxide at a certain value or less include, for example, a method of increasing the amount of aeration to the fermenter, and a method of circulating the gas phase through a carbon dioxide absorption tower. .
- a method described in Japanese Patent Application No. 6-192922 A method for producing a cellulosic substance, comprising circulating a culture solution containing cells between separation devices such as an edge filter, wherein the cellulosic material as a product is separated from the cells and the culture solution in the separation device. And the method described above.
- Cellulose producing bacteria used in the present invention include, for example, Acetobacter xylinum subsp. Sucrof ermen tans (Acetobacter xylinum subsp. ⁇ Xylinum ( ⁇ tobact £ xyl inum) ATC C 2 3 7 6 8, Acetobacter 1 ⁇ Xylinum ATC C 2 3 7 6 9, Acetobacter 1. Pasteurianus AT CC 10 24 45, Acetobacter B. xylinum AT.CC 14851; Acetobacter B. xylinum ATC C 111 4 2 and Acetobacter b. Xylinum ATC C 1082 1.
- Acetic bacteria such as Agrobacterium, Rhizobium Genus, Sarsina, Pseudomonas, Achromopactor, Alcaligenes, Aerobacter, Azotobacter, and Switzerlandrea and NTG (nitrosgua) Using a known method such as These are various mutant strains created by mutagenesis.
- the BPR 2001 strain was deposited on February 24, 1993 with the Patent Microorganisms Depositary Center, the Institute of Biotechnology and Industrial Technology, the Ministry of International Trade and Industry (accession number: F ERM P-13 4 6 6) and subsequently transferred to the Deposit under the Budapest Treaty on the International Recognition of Deposits for Patent Procedures on February 7, 1994 (Accession No.F ERM BP—4545) .
- mutant strain used in the present invention can also be obtained by other mutation methods, for example, irradiation with radiation.
- a carbon source sucrose, glucose, fructose, mannitol, sorbitol, galactose, maltose, erythrit, glycerin, ethylene glycol, ethanol, etc. Can be used alone or in combination.
- starch hydrolyzate, citrus molasses, beet molasses, beet juice, sugar cane juice, citrus and other fruit juices containing these can be added to sucrose and used.
- an organic or inorganic nitrogen source such as ammonium salts such as ammonium sulfate, ammonium chloride, ammonium phosphate, etc., nitrate, urea, etc., or peptide, soytone, yeast, etc.
- Natural sources of nitrogen such as extract and soy hydrolyzate, may be used.
- Organic trace nutrients include amino acids, vitamins, fatty acids, nucleic acids, 2,7,9-tricarboxy-1H pyroport [2,3,5] quinoline-1,4,5-dione, sulfite Pulp waste liquor, ligninsulfonic acid and the like may be added.
- auxotrophic mutant that requires amino acids for growth, it is necessary to supplement the required nutrients.
- the inorganic salts phosphates, magnesium salts, calcium salts, iron salts, manganese salts, cobalt salts, molybdates, red blood salts, chelated metals and the like are used.
- the above-mentioned cellulose production promoting factor can be appropriately added to the medium.
- the pH of the culture is controlled at 3 to 7, preferably around 5.
- the cultivation temperature is in the range of 10 to 40 ° C, preferably 25 to 35 ° C.
- the concentration of oxygen supplied to the culture apparatus may be 1 to 100%, preferably 21 to 80%.
- Those skilled in the art can appropriately select the composition ratio of each component in the medium, the inoculation of the cells into the medium, and the like according to the culture method.
- the BC produced by the method of the present invention may be recovered while leaving the cells as they are, and may be subjected to a treatment for removing impurities other than the cellulosic substance containing the cells contained in the substance.
- washing with water, pressure dehydration, washing with diluted acid, washing with alkali, treatment with bleach such as sodium hypochlorite and hydrogen peroxide, treatment with cell lysing enzymes such as lysozyme Almost completely removes impurities from cellulosic substances by performing treatment with a surfactant such as sodium lauryl sulfate, dexcholate, and washing at room temperature to 200 ° C alone or in combination. can do.
- a surfactant such as sodium lauryl sulfate, dexcholate
- the cellulosic substance thus obtained in the present invention includes a cell mouth, a substance containing a heteropolysaccharide having cellulose as a main chain, and a glucan such as 1,3, ⁇ -I, 2.
- a heteropolysaccharide the constituent components other than cellulose are hexoses such as mannose, fructose, galactose, kinrose, arabinose, rhamnose, and glucuronic acid, pentoses, and organic acids.
- These polysaccharides may be a single substance, or two or more polysaccharides may be mixed due to a hydrogen bond or the like. How to measure viscosity
- the viscosity is measured by a dynamic viscoelasticity measurement method and a static measurement method using a plate-type rotary viscometer (Fluid spectrometer RFS-II, Rheometrics Co., Ltd.).
- the measurement range is 1 to 100 (rad / s) and 0.1 to 10 (1 / s).
- the strain rate in the dynamic viscoelasticity measurement method is 10%.
- the apparent viscosity is determined from the stress under each shear condition, and the apparent viscosity at 10 (rad / s) or 1 (1 / s) is used as a representative value.
- the viscosity characteristic of the culture solution containing bacterial cellulose is considered to follow the Power law model within the measurement range, and is expressed by the following equation.
- the oxygen demand in the culture can be determined from the difference between the oxygen concentration during aeration and the oxygen concentration during exhaust. That is, the oxygen consumption is a value obtained by dividing the consumption obtained from the product of the aeration amount and the oxygen concentration difference by the volume of the culture solution.
- the oxygen concentration during aeration and the dissolved oxygen concentration in the culture solution are limited to a constant level, and oxygen is sufficient, so the oxygen demand is equal to the oxygen consumption.
- Method for measuring internal pressure of fermenter and partial pressure of carbon dioxide in gas phase It can be measured according to a conventional method in the art.
- the internal pressure of a fermenter can be measured with a diaphragm pressure gauge mounted directly on the tank.
- the concentration of carbon dioxide in the gas phase can be measured online from the exhaust gas using a non-dispersive infrared absorption measuring device, and multiplied by the internal pressure of the fermenter to determine the partial pressure of carbon dioxide.
- Figure 1 shows the required power and the change over time in BC accumulation.
- the production method of the present invention was performed under the following conditions.
- BPR 300 A strain which is a mutant strain obtained from the BPR 201 strain and is a highly polymerizable cellulose-producing bacterium (deposited on June 12, 1995, accession number FERMP-14) was cultured under the following conditions.
- a 50 L jar fermenter was used as a culture device, and a CSL-Fru medium was sterilized in a jar fermenter for use as a medium.
- the filling liquid volume is 30 L and the ventilation volume is 15 minutes.
- the bacterial solution cultured using a roulette flask Conical flask was inoculated, and cultured for about 40 hours while keeping the temperature at 30 ° C.
- the viscosity of the culture solution was measured by a dynamic viscoelasticity measurement method using the culture solution withdrawn on the way.
- the oxygen concentration during ventilation and exhaust was measured using an on-line oximeter.
- the required power was determined from the output of the inverter of the stirring motor. table 1
- Figure 1 shows the power required for stirring and the time course of BC accumulation obtained from a system of copper sulfate pentahydrate 5 mg / L or more.
- the accumulated amount of BC indicates the amount of solid matter in the culture solution after completion of cultivation, washing with water, and rinsing with water. After removal of the cells, the cells were treated in an aqueous solution of INNaOH at 80 ° C. for 20 minutes to remove the cells. Further, the resulting cellulose was washed with water until the washing solution became nearly neutral, then dried in vacuum at 80 ° C. for 12 hours, and the dry weight was measured. Yield or sugar consumption (%) was determined as follows. Calculation of sugar consumption (%)
- the power required for stirring during culturing in the production of BC can be significantly reduced, and the production rate and yield of BC can be increased.
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microbiology (AREA)
- General Chemical & Material Sciences (AREA)
- Biotechnology (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51413697A JP3800628B2 (ja) | 1995-09-29 | 1996-08-30 | バクテリアセルロースの製造方法 |
EP96928717A EP0792935B1 (en) | 1995-09-29 | 1996-08-30 | Process for procucing bacterial cellulose |
US08/836,986 US6017740A (en) | 1995-09-29 | 1996-08-30 | Process for the production of bacterial cellulose |
DE69626489T DE69626489T2 (de) | 1995-09-29 | 1996-08-30 | Verfahren zur herstellung bakterieller zellulose |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27640895 | 1995-09-29 | ||
JP7/276408 | 1995-09-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997012987A1 true WO1997012987A1 (fr) | 1997-04-10 |
Family
ID=17568996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1996/002454 WO1997012987A1 (fr) | 1995-09-29 | 1996-08-30 | Procede pour produire une cellulose bacterienne |
Country Status (6)
Country | Link |
---|---|
US (1) | US6017740A (ja) |
EP (1) | EP0792935B1 (ja) |
JP (1) | JP3800628B2 (ja) |
KR (1) | KR100438394B1 (ja) |
DE (1) | DE69626489T2 (ja) |
WO (1) | WO1997012987A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008541728A (ja) * | 2005-05-23 | 2008-11-27 | ヤン,ジファ | バクテリアセルロース含有調合物及び有効なバクテリアセルロース含有調合物の製造方法 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6986963B2 (en) | 2001-12-14 | 2006-01-17 | Ut-Battelle Llc | Metallization of bacterial cellulose for electrical and electronic device manufacture |
US20070027108A1 (en) * | 2005-05-23 | 2007-02-01 | Zhi-Fa Yang | Method of producing effective bacterial cellulose-containing formulations |
US8053216B2 (en) * | 2005-05-23 | 2011-11-08 | Cp Kelco U.S., Inc. | Bacterial cellulose-containing formulations |
CA2665290A1 (en) * | 2006-10-02 | 2008-04-10 | Arterion Ab | Artificial vessels |
US20100297239A1 (en) * | 2008-12-22 | 2010-11-25 | Paul Gatenholm | Osseointegrative meniscus and cartilage implants based on beta-glucan nanocomposites |
US9850512B2 (en) | 2013-03-15 | 2017-12-26 | The Research Foundation For The State University Of New York | Hydrolysis of cellulosic fines in primary clarified sludge of paper mills and the addition of a surfactant to increase the yield |
US9951363B2 (en) | 2014-03-14 | 2018-04-24 | The Research Foundation for the State University of New York College of Environmental Science and Forestry | Enzymatic hydrolysis of old corrugated cardboard (OCC) fines from recycled linerboard mill waste rejects |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0833495A (ja) * | 1994-07-25 | 1996-02-06 | Bio Polymer Res:Kk | バクテリアセルロースの連続的製造方法 |
JPH08205884A (ja) * | 1995-01-30 | 1996-08-13 | Bio Polymer Res:Kk | 通気攪拌培養によるバクテリアセルロースの製造方法及び培養装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5079162A (en) * | 1986-08-28 | 1992-01-07 | Weyerhaeuser Company | Reticulated cellulose and methods and microorganisms for the production thereof |
US4863565A (en) * | 1985-10-18 | 1989-09-05 | Weyerhaeuser Company | Sheeted products formed from reticulated microbial cellulose |
JP2687575B2 (ja) * | 1989-04-28 | 1997-12-08 | 味の素株式会社 | 微生物セルロースの泡状培養法 |
JPH05284989A (ja) * | 1992-04-14 | 1993-11-02 | Ajinomoto Co Inc | 微生物セルロースの生産方法 |
JP2766165B2 (ja) * | 1993-08-02 | 1998-06-18 | 株式会社バイオポリマー・リサーチ | バクテリアセルロースの製造方法 |
-
1996
- 1996-08-30 KR KR1019970703540A patent/KR100438394B1/ko not_active Expired - Fee Related
- 1996-08-30 WO PCT/JP1996/002454 patent/WO1997012987A1/ja active IP Right Grant
- 1996-08-30 DE DE69626489T patent/DE69626489T2/de not_active Expired - Lifetime
- 1996-08-30 US US08/836,986 patent/US6017740A/en not_active Expired - Fee Related
- 1996-08-30 JP JP51413697A patent/JP3800628B2/ja not_active Expired - Fee Related
- 1996-08-30 EP EP96928717A patent/EP0792935B1/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0833495A (ja) * | 1994-07-25 | 1996-02-06 | Bio Polymer Res:Kk | バクテリアセルロースの連続的製造方法 |
JPH08205884A (ja) * | 1995-01-30 | 1996-08-13 | Bio Polymer Res:Kk | 通気攪拌培養によるバクテリアセルロースの製造方法及び培養装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP0792935A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008541728A (ja) * | 2005-05-23 | 2008-11-27 | ヤン,ジファ | バクテリアセルロース含有調合物及び有効なバクテリアセルロース含有調合物の製造方法 |
JP2013078326A (ja) * | 2005-05-23 | 2013-05-02 | Cp Kelco Us Inc | バクテリアセルロース含有調合物及び有効なバクテリアセルロース含有調合物の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP0792935B1 (en) | 2003-03-05 |
US6017740A (en) | 2000-01-25 |
KR100438394B1 (ko) | 2004-08-16 |
DE69626489D1 (de) | 2003-04-10 |
EP0792935A4 (en) | 1999-11-24 |
EP0792935A1 (en) | 1997-09-03 |
DE69626489T2 (de) | 2004-04-08 |
JP3800628B2 (ja) | 2006-07-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100236507B1 (ko) | 비취성 겔용 겔란 고무 | |
WO1996033222A1 (fr) | Nouvelles bacteries generatrices de cellulose | |
WO1997048730A1 (fr) | Procedes de traitement de cellulose bacterienne | |
JP2766165B2 (ja) | バクテリアセルロースの製造方法 | |
JP3341017B2 (ja) | 新規セルロース生産菌 | |
WO1997012987A1 (fr) | Procede pour produire une cellulose bacterienne | |
JPH051718B2 (ja) | ||
JPH11255806A (ja) | 微細繊維状セルロース濃縮物の凍結乾燥方法 | |
JPH10201495A (ja) | セルロース生産菌とその他の微生物との混合培養によるバクテリアセルロースの製造方法 | |
WO1997044477A1 (fr) | Procede pour preparer en continu de la cellulose bacterienne | |
JPH0833495A (ja) | バクテリアセルロースの連続的製造方法 | |
JP3062725B2 (ja) | 通気攪拌培養によるバクテリアセルロースの製造方法及び培養装置 | |
JP2767551B2 (ja) | Pqq非生成株を用いるバクテリアセルロースの製造方法 | |
JPH0994094A (ja) | 高菌体培養によるバクテリアセルロースの製造方法 | |
JP3785686B2 (ja) | 通気攪拌培養によるバクテリアセルロースの高酸素移動容量係数下での製造方法 | |
JP2816939B2 (ja) | バクテリアセルロースの製造方法 | |
JP2929065B2 (ja) | サルファ剤耐性株を用いるバクテリアセルロースの製造方法 | |
JP3096838B2 (ja) | ピリミジンアナログ耐性株を用いるバクテリアセルロースの製造方法 | |
JPH11137163A (ja) | パン類の製造方法 | |
JP2981837B2 (ja) | バクテリアセルロース離解物の製造方法 | |
JP4089000B2 (ja) | 湿潤バクテリアセルロースの保存方法 | |
JP3956467B2 (ja) | 新規セルロース生産菌 | |
JP2926210B2 (ja) | バクテリアセルロース離解物 | |
JPH09220457A (ja) | 高非ニュートン流体攪拌用門型羽根 | |
JPH07184675A (ja) | バクテリアセルロースの製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): JP KR US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LU MC NL PT SE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1019970703540 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1996928717 Country of ref document: EP |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 08836986 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 1996928717 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 1019970703540 Country of ref document: KR |
|
WWG | Wipo information: grant in national office |
Ref document number: 1996928717 Country of ref document: EP |
|
WWG | Wipo information: grant in national office |
Ref document number: 1019970703540 Country of ref document: KR |