l-Malic Acid Production fromn-Paraffins byCandida brumptiiIFO-0731

Abstract
Candida brumptii IFO-0731, which is known to produce succinic acid from n-paraffins, also produced other organic acids. One of them was identified as l-malic acid. Some culture conditions for l-malic acid production from n-paraffins were investigated. It was found that urea was the most favorable nitrogen source and 2 g/liter of urea was optimum for l-malic acid production. Under the best condition, 25.4 g/liter of l-malic acid was obtained from 4% (v/v) of super heavy n-paraffin and the yield was about 80% (wt./wt.).

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