CA1070629A - Process for modifying biopolymers - Google Patents
Process for modifying biopolymersInfo
- Publication number
- CA1070629A CA1070629A CA264,421A CA264421A CA1070629A CA 1070629 A CA1070629 A CA 1070629A CA 264421 A CA264421 A CA 264421A CA 1070629 A CA1070629 A CA 1070629A
- Authority
- CA
- Canada
- Prior art keywords
- heteropolysaccharide
- solution
- polymer
- debris
- viscosity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims abstract description 48
- 230000008569 process Effects 0.000 title claims description 24
- 229920001222 biopolymer Polymers 0.000 title description 32
- 239000000243 solution Substances 0.000 claims abstract description 119
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 66
- 239000011780 sodium chloride Substances 0.000 claims abstract description 48
- 150000003839 salts Chemical class 0.000 claims abstract description 37
- 241000589634 Xanthomonas Species 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 230000001580 bacterial effect Effects 0.000 claims abstract description 18
- 239000007864 aqueous solution Substances 0.000 claims abstract description 17
- 241000894006 Bacteria Species 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 230000015572 biosynthetic process Effects 0.000 claims description 18
- 150000001720 carbohydrates Chemical class 0.000 claims description 16
- 235000014633 carbohydrates Nutrition 0.000 claims description 11
- 239000011148 porous material Substances 0.000 claims description 10
- 229920001282 polysaccharide Polymers 0.000 claims description 7
- 239000005017 polysaccharide Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 5
- 239000001110 calcium chloride Substances 0.000 claims description 5
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000001376 precipitating effect Effects 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- 230000006872 improvement Effects 0.000 claims description 2
- 229910017053 inorganic salt Inorganic materials 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims 5
- 235000011148 calcium chloride Nutrition 0.000 claims 3
- 241000589636 Xanthomonas campestris Species 0.000 claims 1
- 238000007865 diluting Methods 0.000 claims 1
- 229920000642 polymer Polymers 0.000 description 84
- 238000000855 fermentation Methods 0.000 description 40
- 230000004151 fermentation Effects 0.000 description 40
- 239000012267 brine Substances 0.000 description 25
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 25
- 239000000463 material Substances 0.000 description 22
- 239000012141 concentrate Substances 0.000 description 18
- 239000000523 sample Substances 0.000 description 17
- 238000012360 testing method Methods 0.000 description 16
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- 238000001914 filtration Methods 0.000 description 14
- 238000005755 formation reaction Methods 0.000 description 13
- 238000007669 thermal treatment Methods 0.000 description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- 239000003139 biocide Substances 0.000 description 9
- 230000003115 biocidal effect Effects 0.000 description 8
- 238000011084 recovery Methods 0.000 description 8
- 239000012153 distilled water Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 238000010790 dilution Methods 0.000 description 5
- 239000012895 dilution Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 150000004676 glycans Chemical class 0.000 description 5
- 239000002054 inoculum Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 235000000346 sugar Nutrition 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- 241000108056 Monas Species 0.000 description 3
- 101100216185 Oryza sativa subsp. japonica AP25 gene Proteins 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- 229920006298 saran Polymers 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 235000019698 starch Nutrition 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002562 thickening agent Substances 0.000 description 3
- 238000005199 ultracentrifugation Methods 0.000 description 3
- AQHJXELXFBINLL-UHFFFAOYSA-N 1h-pyridine-2-thione;sodium Chemical compound [Na].SC1=CC=CC=N1 AQHJXELXFBINLL-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 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 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- LCTONWCANYUPML-UHFFFAOYSA-N Pyruvic acid Chemical compound CC(=O)C(O)=O LCTONWCANYUPML-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 150000001242 acetic acid derivatives Chemical class 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000006172 buffering agent Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000002537 cosmetic Substances 0.000 description 2
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- -1 fruc-12 tose Chemical compound 0.000 description 2
- 239000008103 glucose Substances 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 238000011045 prefiltration Methods 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000375 suspending agent Substances 0.000 description 2
- 230000008719 thickening Effects 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
- VGVRPFIJEJYOFN-UHFFFAOYSA-N 2,3,4,6-tetrachlorophenol Chemical class OC1=C(Cl)C=C(Cl)C(Cl)=C1Cl VGVRPFIJEJYOFN-UHFFFAOYSA-N 0.000 description 1
- HSQFVBWFPBKHEB-UHFFFAOYSA-N 2,3,4-trichlorophenol Chemical compound OC1=CC=C(Cl)C(Cl)=C1Cl HSQFVBWFPBKHEB-UHFFFAOYSA-N 0.000 description 1
- JLUUVUUYIXBDCG-UHFFFAOYSA-N 6-[1-benzyl-6-(4-methylpiperazin-1-yl)benzimidazol-2-yl]-n,3-dimethyl-[1,2,4]triazolo[4,3-a]pyrazin-8-amine Chemical compound C=1N2C(C)=NN=C2C(NC)=NC=1C1=NC2=CC=C(N3CCN(C)CC3)C=C2N1CC1=CC=CC=C1 JLUUVUUYIXBDCG-UHFFFAOYSA-N 0.000 description 1
- GUBGYTABKSRVRQ-XLOQQCSPSA-N Alpha-Lactose Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@H](O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-XLOQQCSPSA-N 0.000 description 1
- 108010077805 Bacterial Proteins Proteins 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- AEMOLEFTQBMNLQ-AQKNRBDQSA-N D-glucopyranuronic acid Chemical compound OC1O[C@H](C(O)=O)[C@@H](O)[C@H](O)[C@H]1O AEMOLEFTQBMNLQ-AQKNRBDQSA-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
- 229920002307 Dextran Polymers 0.000 description 1
- 241000196324 Embryophyta 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
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-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
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 208000036366 Sensation of pressure Diseases 0.000 description 1
- KSQXVLVXUFHGJQ-UHFFFAOYSA-M Sodium ortho-phenylphenate Chemical compound [Na+].[O-]C1=CC=CC=C1C1=CC=CC=C1 KSQXVLVXUFHGJQ-UHFFFAOYSA-M 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- 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 1
- 241001517672 Xanthomonas axonopodis pv. begoniae Species 0.000 description 1
- 241000321047 Xanthomonas campestris pv. carotae Species 0.000 description 1
- 241000194062 Xanthomonas phaseoli Species 0.000 description 1
- 241000589643 Xanthomonas translucens Species 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
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 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 1
- 150000001450 anions Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 230000008901 benefit Effects 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
- 235000013361 beverage Nutrition 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- KCIDZIIHRGYJAE-YGFYJFDDSA-L dipotassium;[(2r,3r,4s,5r,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl] phosphate Chemical compound [K+].[K+].OC[C@H]1O[C@H](OP([O-])([O-])=O)[C@H](O)[C@@H](O)[C@H]1O KCIDZIIHRGYJAE-YGFYJFDDSA-L 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 229930182830 galactose Natural products 0.000 description 1
- 229940097043 glucuronic acid Drugs 0.000 description 1
- 229920000140 heteropolymer Polymers 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000006101 laboratory sample Substances 0.000 description 1
- 239000008101 lactose Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000013379 molasses Nutrition 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 125000001477 organic nitrogen group Chemical group 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- ILVXOBCQQYKLDS-UHFFFAOYSA-N pyridine N-oxide Chemical compound [O-][N+]1=CC=CC=C1 ILVXOBCQQYKLDS-UHFFFAOYSA-N 0.000 description 1
- 229940107700 pyruvic acid Drugs 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000010294 sodium orthophenyl phenol Nutrition 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- KEAYESYHFKHZAL-IGMARMGPSA-N sodium-23 atom Chemical compound [23Na] KEAYESYHFKHZAL-IGMARMGPSA-N 0.000 description 1
- HCJLVWUMMKIQIM-UHFFFAOYSA-M sodium;2,3,4,5,6-pentachlorophenolate Chemical compound [Na+].[O-]C1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl HCJLVWUMMKIQIM-UHFFFAOYSA-M 0.000 description 1
- YFPNAQYEHBHHHI-UHFFFAOYSA-M sodium;2,3,4-trichlorophenolate Chemical compound [Na+].[O-]C1=CC=C(Cl)C(Cl)=C1Cl YFPNAQYEHBHHHI-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
- C08B37/0033—Xanthan, i.e. D-glucose, D-mannose and D-glucuronic acid units, saubstituted with acetate and pyruvate, with a main chain of (beta-1,4)-D-glucose units; Derivatives thereof
-
- 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
- C12P19/06—Xanthan, i.e. Xanthomonas-type heteropolysaccharides
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Genetics & Genomics (AREA)
- Emergency Medicine (AREA)
- Molecular Biology (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63046875A | 1975-11-10 | 1975-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1070629A true CA1070629A (en) | 1980-01-29 |
Family
ID=24527297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA264,421A Expired CA1070629A (en) | 1975-11-10 | 1976-10-28 | Process for modifying biopolymers |
Country Status (2)
| Country | Link |
|---|---|
| CA (1) | CA1070629A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
| FR (1) | FR2330697A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6174524B1 (en) | 1999-03-26 | 2001-01-16 | Alcon Laboratories, Inc. | Gelling ophthalmic compositions containing xanthan gum |
| US6261547B1 (en) | 1998-04-07 | 2001-07-17 | Alcon Manufacturing, Ltd. | Gelling ophthalmic compositions containing xanthan gum |
| US6331540B1 (en) | 1999-11-01 | 2001-12-18 | Alcon Universal Ltd. | Pharmaceutical compositions containing a fluoroquinolone antibiotic drug and xanthan gum |
| US6352978B1 (en) | 2000-07-28 | 2002-03-05 | Alcon Universal Ltd. | Pharmaceutical compositions containing tobramycin and xanthan gum |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7907884A (nl) * | 1978-11-06 | 1980-05-08 | Pfizer | Werkwijze voor de bereiding van een de beweeglijkheid regelende oplossing ten gebruike bij het winnen van olie. |
| GB8707250D0 (en) * | 1987-03-26 | 1987-04-29 | Allied Colloids Ltd | Polysaccharides |
| FR2621926B1 (fr) * | 1987-10-20 | 1991-06-21 | Inst Francais Du Petrole | Procede de traitement d'un mout de fermentation renfermant un polysaccharide dans le but d'en accroitre la filtrabilite et utilisation de ce mout en recuperation assistee du petrole |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1575756A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1968-04-29 | 1969-07-25 | ||
| US3773752A (en) * | 1971-02-25 | 1973-11-20 | Phillips Petroleum Co | Recovery of microbial polysaccharides |
-
1976
- 1976-10-28 CA CA264,421A patent/CA1070629A/en not_active Expired
- 1976-11-09 FR FR7633799A patent/FR2330697A1/fr active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6261547B1 (en) | 1998-04-07 | 2001-07-17 | Alcon Manufacturing, Ltd. | Gelling ophthalmic compositions containing xanthan gum |
| US6174524B1 (en) | 1999-03-26 | 2001-01-16 | Alcon Laboratories, Inc. | Gelling ophthalmic compositions containing xanthan gum |
| US6331540B1 (en) | 1999-11-01 | 2001-12-18 | Alcon Universal Ltd. | Pharmaceutical compositions containing a fluoroquinolone antibiotic drug and xanthan gum |
| US6352978B1 (en) | 2000-07-28 | 2002-03-05 | Alcon Universal Ltd. | Pharmaceutical compositions containing tobramycin and xanthan gum |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2330697A1 (fr) | 1977-06-03 |
| FR2330697B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-05-22 |
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