Abstract
Vegetable oils were investigated to evaluate their potential to act as the sole carbon source for production of cephamycin C in shake and jar-fermentor cultures. Soybean oil was the best carbon source for cephamycin C production. Bioautography and HPLC analyses showed that cephamycin C was exclusively produced even when soybean oil was used as the sole cabon source. The optimal pH and initial concentration of soybean oil was 7.5 and 7 g/l, respectively. Both pH and the pH-control agent affected cephamycin C production, and among phosphoric acid, acetic acid and sulfuric acid, phosphoric acid was associated with the best production. Soybean oil was slowly consumed after the soluble nitrogen source was consumed. When the initial soybean oil concentration was 7 g/l, cephamycin C production was maximal, 2.0 g/l, which was twice as high as that from starch. The product yield from soybean oil was 4.7 times higher than that from starch. These results show that vegetable oils, which are cheaper than other carbon sources, could be used as the sole carbon source in the production of antibiotics.
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Correspondence to: M. Okabe
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Park, Y.S., Momose, I., Tsunoda, K. et al. Enhancement of cephamycin C production using soybean oil as the sole carbon source. Appl Microbiol Biotechnol 40, 773–779 (1994). https://doi.org/10.1007/BF00173973
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DOI: https://doi.org/10.1007/BF00173973