FR2506328A1 - Procede enzymatique de traitement de gommes xanthanes en vue d'ameliorer la filtration de leurs solutions aqueuses - Google Patents
Procede enzymatique de traitement de gommes xanthanes en vue d'ameliorer la filtration de leurs solutions aqueusesInfo
- Publication number
- FR2506328A1 FR2506328A1 FR8110403A FR8110403A FR2506328A1 FR 2506328 A1 FR2506328 A1 FR 2506328A1 FR 8110403 A FR8110403 A FR 8110403A FR 8110403 A FR8110403 A FR 8110403A FR 2506328 A1 FR2506328 A1 FR 2506328A1
- Authority
- FR
- France
- Prior art keywords
- improving
- view
- aqueous solutions
- filtration
- enzymatic process
- 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.)
- Granted
Links
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
- C12P19/06—Xanthan, i.e. Xanthomonas-type heteropolysaccharides
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)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Enzymes And Modification Thereof (AREA)
Abstract
PROCEDE DE TRAITEMENT D'UNE GOMME XANTHANE EN VUE D'AMELIORER LA FILTRABILITE DE SES SOLUTIONS AQUEUSES, COMPRENANT UN TRAITEMENT ENZYMATIQUE D'UNE SOLUTION AQUEUSE DE GOMME XANTHANE PRESENTANT UNE CONCENTRATION EN SELS DISSOUS DE METAUX ALCALINS ETOU ALCALINO-TERREUX D'AU MOINS 10 EQUIVALENTSLITRE, CARACTERISE EN CE QUE LE TRAITEMENT ENZYMATIQUE EST EFFECTUE AU MOYEN D'AU MOINS DEUX ENZYMES DE TYPES DIFFERENTS, UNE POLYSACCHARASE ET UNE PROTEASE, DANS DES CONDITIONS COMPATIBLES AVEC L'ACTIVITE DESDITS ENZYMES.
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8110403A FR2506328A1 (fr) | 1981-05-22 | 1981-05-22 | Procede enzymatique de traitement de gommes xanthanes en vue d'ameliorer la filtration de leurs solutions aqueuses |
DE3218697A DE3218697A1 (de) | 1981-05-22 | 1982-05-18 | Enzymatisches verfahren zur behandlung von xanthan-harzen zur verbesserung der filtrierbarkeit ihrer waessrigen loesung |
IN582/CAL/82A IN156597B (fr) | 1981-05-22 | 1982-05-21 | |
CA000403498A CA1172589A (fr) | 1981-05-22 | 1982-05-21 | Procede enzymatique de traitement de gommes xanthanes en vue d'ameliorer la filtrabilite de leurs solutions aqueuses |
BR8202958A BR8202958A (pt) | 1981-05-22 | 1982-05-21 | Processo de tratamento de uma goma de xantano composicao solida para sua realizacao goma de xantano em po ou em solucao aquosa obtida por tal processo e utilizacao da mesma |
JP57087178A JPS57202303A (en) | 1981-05-22 | 1982-05-21 | Enzyme treatment of xanthan gum for improving filtrability of xanthan gum aqueous solution |
MX8210090U MX7055E (es) | 1981-05-22 | 1982-05-21 | Procedimiento enzimatico mejorado de clarificacion de soluciones acuosas de gomas xantanos para mejorar su filtrabilidad |
GB8214922A GB2099008B (en) | 1981-05-22 | 1982-05-21 | Enzymatic process for the treatment of xanthan gums to improve the filtrability of their aqueous solutions |
RO82107637A RO88113A (fr) | 1981-05-22 | 1982-05-21 | Procede de traitement des gommes xanthaniques avec enzymes |
US06/381,610 US4431734A (en) | 1981-05-22 | 1982-05-24 | Enzymatic process for the treatment of xanthan gums to improve the filtrability of their aqueous solutions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8110403A FR2506328A1 (fr) | 1981-05-22 | 1981-05-22 | Procede enzymatique de traitement de gommes xanthanes en vue d'ameliorer la filtration de leurs solutions aqueuses |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2506328A1 true FR2506328A1 (fr) | 1982-11-26 |
FR2506328B1 FR2506328B1 (fr) | 1984-01-13 |
Family
ID=9258884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8110403A Granted FR2506328A1 (fr) | 1981-05-22 | 1981-05-22 | Procede enzymatique de traitement de gommes xanthanes en vue d'ameliorer la filtration de leurs solutions aqueuses |
Country Status (10)
Country | Link |
---|---|
US (1) | US4431734A (fr) |
JP (1) | JPS57202303A (fr) |
BR (1) | BR8202958A (fr) |
CA (1) | CA1172589A (fr) |
DE (1) | DE3218697A1 (fr) |
FR (1) | FR2506328A1 (fr) |
GB (1) | GB2099008B (fr) |
IN (1) | IN156597B (fr) |
MX (1) | MX7055E (fr) |
RO (1) | RO88113A (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0078621A1 (fr) * | 1981-10-29 | 1983-05-11 | Kelco Biospecialties Limited | Traitement de solutions de gomme de Xanthane |
FR2551087B1 (fr) * | 1983-08-30 | 1986-03-21 | Rhone Poulenc Spec Chim | Procede de traitement d'une solution de polysaccharide et son utilisation |
GB8431653D0 (en) * | 1984-12-14 | 1985-01-30 | Shell Int Research | Filterability of microbial broth |
US4690891A (en) * | 1985-09-11 | 1987-09-01 | Exxon Research And Engineering Company | Method and the microorganism and enzyme used therein for degrading the xanthan molecule |
FR2597503B1 (fr) * | 1986-03-10 | 1988-12-30 | Inst Francais Du Petrole | Procede enzymatique de traitement de gommes xanthanes en vue d'ameliorer la filtrabilite de leurs solutions aqueuses |
FR2627509B1 (fr) * | 1988-02-18 | 1990-08-10 | Mero Rousselot Satia | Procede de fermentation en deux etapes pour la production de polysaccharides |
EP0549230B1 (fr) * | 1991-12-20 | 1997-08-27 | Shin-Etsu Chemical Co., Ltd. | Procédé de préparation de gomme de xanthane purifiée |
US5595892A (en) * | 1991-12-20 | 1997-01-21 | Shin-Etsu Chemical Co., Ltd. | Process for preparation of purified xanthan gum |
US5354671A (en) * | 1992-06-26 | 1994-10-11 | Shin-Etsu Chemical Co., Ltd. | Enzymatic clarification of polysaccharides |
JP3741734B2 (ja) | 1994-06-30 | 2006-02-01 | 信越化学工業株式会社 | キサンタンガムの回収精製方法 |
ITTO20050180A1 (it) * | 2005-03-18 | 2006-09-19 | Patents Expl Company B V | Procedimento enzimatico per l'ottenimento di gomma vegetale degradata |
US20130288932A1 (en) * | 2012-04-27 | 2013-10-31 | Halliburton Energy Services, Inc. | Methods of cryodesiccating a broth comprising a biopolymer of an exopolysaccharide |
US11001746B2 (en) | 2016-08-10 | 2021-05-11 | Geo Fossil Fuels, Llc | Compositions comprising and methods of making bio-polymers |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2264077A1 (fr) * | 1974-03-11 | 1975-10-10 | Kelco Co | |
US4010071A (en) * | 1974-10-10 | 1977-03-01 | Merck & Co., Inc. | Clarification of xanthan gum |
US4119491A (en) * | 1977-05-16 | 1978-10-10 | Shell Oil Company | Enzyme-filtration clarification of xanthan gum polymer solution |
JPS54105295A (en) * | 1978-02-03 | 1979-08-18 | Sansho Co | Production of fermented gum with excellent transparency |
US4165257A (en) * | 1978-03-13 | 1979-08-21 | Continental Oil Company | Biopolymer filterability improvement by caustic-enzyme treatment |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4326037A (en) * | 1979-11-01 | 1982-04-20 | The United States Of America As Represented By The United States Department Of Energy | Enzymatic method for improving the injectability of polysaccharides |
DE3160096D1 (en) * | 1980-05-08 | 1983-04-07 | Shell Int Research | Clarification of polysaccharide-containing fermentation products |
-
1981
- 1981-05-22 FR FR8110403A patent/FR2506328A1/fr active Granted
-
1982
- 1982-05-18 DE DE3218697A patent/DE3218697A1/de active Granted
- 1982-05-21 JP JP57087178A patent/JPS57202303A/ja active Granted
- 1982-05-21 CA CA000403498A patent/CA1172589A/fr not_active Expired
- 1982-05-21 RO RO82107637A patent/RO88113A/fr unknown
- 1982-05-21 GB GB8214922A patent/GB2099008B/en not_active Expired
- 1982-05-21 MX MX8210090U patent/MX7055E/es unknown
- 1982-05-21 IN IN582/CAL/82A patent/IN156597B/en unknown
- 1982-05-21 BR BR8202958A patent/BR8202958A/pt not_active IP Right Cessation
- 1982-05-24 US US06/381,610 patent/US4431734A/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2264077A1 (fr) * | 1974-03-11 | 1975-10-10 | Kelco Co | |
US4010071A (en) * | 1974-10-10 | 1977-03-01 | Merck & Co., Inc. | Clarification of xanthan gum |
US4119491A (en) * | 1977-05-16 | 1978-10-10 | Shell Oil Company | Enzyme-filtration clarification of xanthan gum polymer solution |
FR2391277A1 (fr) * | 1977-05-16 | 1978-12-15 | Shell Int Research | Clarification d'une solution de polymere produite de maniere microbienne |
JPS54105295A (en) * | 1978-02-03 | 1979-08-18 | Sansho Co | Production of fermented gum with excellent transparency |
US4165257A (en) * | 1978-03-13 | 1979-08-21 | Continental Oil Company | Biopolymer filterability improvement by caustic-enzyme treatment |
Non-Patent Citations (1)
Title |
---|
CA1980 * |
Also Published As
Publication number | Publication date |
---|---|
DE3218697A1 (de) | 1982-12-09 |
JPS57202303A (en) | 1982-12-11 |
RO88113A (fr) | 1985-11-30 |
MX7055E (es) | 1987-04-08 |
DE3218697C2 (fr) | 1990-04-19 |
IN156597B (fr) | 1985-09-14 |
GB2099008A (en) | 1982-12-01 |
CA1172589A (fr) | 1984-08-14 |
GB2099008B (en) | 1985-01-30 |
US4431734A (en) | 1984-02-14 |
JPH0372277B2 (fr) | 1991-11-18 |
FR2506328B1 (fr) | 1984-01-13 |
RO88113B (ro) | 1985-10-31 |
BR8202958A (pt) | 1983-05-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2506328A1 (fr) | Procede enzymatique de traitement de gommes xanthanes en vue d'ameliorer la filtration de leurs solutions aqueuses | |
GB1373562A (en) | Process for the conversion of glucose into gluconic acid | |
FR2384860A1 (fr) | Procede de nettoyage de metaux par pulverisation | |
FR2410630A1 (fr) | Procede pour preparer des composes de type pyrochlore riches en plomb et riches en bismuth avec un milieu alcalin | |
DK160806C (da) | Stabil, vandig syreoploesning af cis-platin egnet til injektion og fremgangsmaade til fremstilling heraf | |
FR2438623A1 (fr) | Procede de purification du peroxyde hydrate d'uranium vi | |
HK1018591A1 (en) | Intravenous administration form of thalidomide for the therapy of immunologic diseases | |
FR2659956B1 (fr) | Procede de traitement d'une solution aqueuse contenant principalement de l'acide nitrique et de l'acide fluorhydrique. | |
Bernheim | The aldehyde oxidase of the potato | |
FR2597503B1 (fr) | Procede enzymatique de traitement de gommes xanthanes en vue d'ameliorer la filtrabilite de leurs solutions aqueuses | |
ATE119593T1 (de) | Verfahren zum enzymatischen bleichen von zellstoffen. | |
FR2385125A1 (fr) | Procede de traitement d'articles photographiques par decoloration a l'argent | |
BE902048A (fr) | Procede de purification d'une enzyme. | |
GB1423897A (en) | Cellulose cation exchanger and treatment of industrial effluents therewith | |
FR2386555A1 (fr) | Procede de purification de l'urokinase | |
GB1294309A (en) | Electrodeposition of gold | |
ES8403975A1 (es) | Metodo para recuperar uranio a partir de un coprecipitado de silicato-uranio. | |
GB1310788A (en) | Process for the production of dopa | |
SU526659A1 (ru) | Способ подготовки меласс к сбраживанию при производстве лимонной кислоты | |
KR0140094B1 (ko) | 정수용 활성 설폰화 석탄의 제조방법 | |
SU1703623A1 (ru) | Способ очистки сточных вод от поверхностно-активных веществ | |
FR2402635A1 (fr) | Procede de racemisation en solution aqueuse de n-acyl-aminoacides optiquement actifs | |
SU389702A1 (ru) | Способ извлечени германи из водных растворов его солей осаждением | |
FR2677346B1 (fr) | Procede de purification d'une solution aqueuse de chlorure de metal alcalin par enlevement de l'ammonium et de l'iode. | |
GB1140517A (en) | Isolation of tetracycline from a fermentation broth |