GB1418561A - Citric acid production - Google Patents
Citric acid productionInfo
- Publication number
- GB1418561A GB1418561A GB3040873A GB3040873A GB1418561A GB 1418561 A GB1418561 A GB 1418561A GB 3040873 A GB3040873 A GB 3040873A GB 3040873 A GB3040873 A GB 3040873A GB 1418561 A GB1418561 A GB 1418561A
- Authority
- GB
- United Kingdom
- Prior art keywords
- medium
- citric acid
- carbohydrate
- june
- yeast
- 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
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
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/40—Preparation of oxygen-containing organic compounds containing a carboxyl group including Peroxycarboxylic acids
- C12P7/44—Polycarboxylic acids
- C12P7/48—Tricarboxylic acids, e.g. citric acid
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)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
1418561 Citric acid PFIZER Ltd 25 June 1974 [26 June 1973] 30408/73 Heading C2C In a continuous process for the preparation of citric acid by the aerobic fermentation of an aqueous medium containing carbohydrate as a source of carbon together with other essential nutrients for a yeast, the carbohydrate and other nutrients are continuously fed to the medium and citric acid and medium are continuously withdrawn at a rate to maintain a constant volume, while maintaining the pH at 2À5 to 4À5 at 22 to 35 C. and recovering the citric acid from the withdrawn medium. A yeast Candida, e.g. Candida guilliermondii may be used and the pH controlled by addition of gaseous or aqueous ammonia. The carbohydrate may be cane or beet molasses and the fermenting medium aerated by sparging air at 0À3 to 1À5 volumes air per volume of medium per minute.
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3040873A GB1418561A (en) | 1973-06-26 | 1973-06-26 | Citric acid production |
IE1249/74A IE39897B1 (en) | 1973-06-26 | 1974-06-14 | Citric acid production |
IL45063A IL45063A0 (en) | 1973-06-26 | 1974-06-18 | Citric acid production |
DE19742429224 DE2429224B2 (en) | 1973-06-26 | 1974-06-18 | CONTINUOUS PROCESS FOR FERMENTATIONAL PRODUCTION OF CITRIC ACID |
BE145592A BE816527A (en) | 1973-06-26 | 1974-06-18 | PROCESS FOR SYNTHESIS OF "CITRIC ACID" |
NL7408505A NL7408505A (en) | 1973-06-26 | 1974-06-25 | |
FR7422081A FR2235196B1 (en) | 1973-06-26 | 1974-06-25 | |
IT24463/74A IT1015431B (en) | 1973-06-26 | 1974-06-25 | PRODUCTION OF CITRIC ACID |
DK340974AA DK135177B (en) | 1973-06-26 | 1974-06-25 | Process for the continuous production of citric acid. |
LU70396*A LU70396A1 (en) | 1973-06-26 | 1974-06-25 | |
JP49073202A JPS5019986A (en) | 1973-06-26 | 1974-06-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3040873A GB1418561A (en) | 1973-06-26 | 1973-06-26 | Citric acid production |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1418561A true GB1418561A (en) | 1975-12-24 |
Family
ID=10307239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3040873A Expired GB1418561A (en) | 1973-06-26 | 1973-06-26 | Citric acid production |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS5019986A (en) |
BE (1) | BE816527A (en) |
DE (1) | DE2429224B2 (en) |
DK (1) | DK135177B (en) |
FR (1) | FR2235196B1 (en) |
GB (1) | GB1418561A (en) |
IE (1) | IE39897B1 (en) |
IL (1) | IL45063A0 (en) |
IT (1) | IT1015431B (en) |
LU (1) | LU70396A1 (en) |
NL (1) | NL7408505A (en) |
-
1973
- 1973-06-26 GB GB3040873A patent/GB1418561A/en not_active Expired
-
1974
- 1974-06-14 IE IE1249/74A patent/IE39897B1/en unknown
- 1974-06-18 IL IL45063A patent/IL45063A0/en unknown
- 1974-06-18 BE BE145592A patent/BE816527A/en not_active IP Right Cessation
- 1974-06-18 DE DE19742429224 patent/DE2429224B2/en not_active Withdrawn
- 1974-06-25 IT IT24463/74A patent/IT1015431B/en active
- 1974-06-25 NL NL7408505A patent/NL7408505A/xx not_active Application Discontinuation
- 1974-06-25 FR FR7422081A patent/FR2235196B1/fr not_active Expired
- 1974-06-25 LU LU70396*A patent/LU70396A1/xx unknown
- 1974-06-25 DK DK340974AA patent/DK135177B/en unknown
- 1974-06-26 JP JP49073202A patent/JPS5019986A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
NL7408505A (en) | 1974-12-30 |
DE2429224A1 (en) | 1975-01-16 |
FR2235196B1 (en) | 1977-10-14 |
FR2235196A1 (en) | 1975-01-24 |
DK135177C (en) | 1977-08-15 |
DE2429224B2 (en) | 1977-12-08 |
DK340974A (en) | 1975-03-17 |
JPS5019986A (en) | 1975-03-03 |
IT1015431B (en) | 1977-05-10 |
LU70396A1 (en) | 1976-04-13 |
DK135177B (en) | 1977-03-14 |
BE816527A (en) | 1974-12-18 |
IE39897L (en) | 1974-12-26 |
IL45063A0 (en) | 1974-09-10 |
IE39897B1 (en) | 1979-01-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930625 |