Method for producing citric acid
Abstract
Abstract METHOD FOR PRODUCING CITRIC ACID WHICH INVOLVES INOCULATING A CITRIC ACID-ACCUMULATING YEAST BELONGING TO THE GENUS CANDIDA, CAPABLE OF UTILIZING HYDROCARBONS AND INCAPALE OF UTILIZING CITRIC ACID IN AN AQUEOUS CULTURE MEDIUM CONTAINING, AS THE MAIN CARBON SOURCE, AT LEAST ONE NORMAL PARAFFIN CONTAINING 9 TO 20 CARBONS IN THE MOLECULE; INCUBATING THE CULTURE AT A PH OF FROM ABOUT 2 TO 7 UNTIL CITRIC ACID IS SUBSTANTIALLY ACCUMULATED IN THE CULTURE BROTH; AND RECOVERING THE THUS ACCUMULATED CITRIC ACID THEREFROM. THE ADVANTAGES OF THE AFOREMENTIONED METHOD IS THAT THE PRODUCTION OF OTHER ASOCIATED ORGANIC ACIDS IS SUPPRESSED, WHICH RESULTS IN AN INCREASED YIELD OF THE OBJECTIVE CITRIC ACID; THE FERMENTATION TERMINATES IN A RELATIVELY SHORT TIME AND FEMENTATION CAN BE CARRIED OUT WITHOUT FEAR OF OF OVERFERMENTATION SINCE THE CITRIC ACID IS NOT CONSUMED BY THE ORGANISUM.
Inventors
- 👤 Hideo Fukuda
- 👤 Takashi Suzuki
- 👤 Shunichi Akiyama
- 👤 Yasuhiro Sumino
Bibliographic Details
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