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Direct fermentative production of lactic acid on cassava and other starch substrates

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Abstract

Lactobacillus amylovorus utilized raw corn, rice and wheat starch medium to produce lactic acid with a productivity of 10.1, 7.9 and 7.8 g lactic acid/L, but had lower productivities of 4.8 g/L and 4.2 g/L on cassava and potato starch in basal medium respectively. When peptone (1%) is added to basal medium with cassava starch as substrate, conversion rate increased from 43% conversion to 70% conversion (7.7 g lactic acid/L). The availability of some components of protein in corn starch is assumed to be the reason for high lactic acid production as compared to that of cassava starch.

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Authors and Affiliations

  1. Bioprocess Technology Program, Asian Institute of Technology, P.O. Box 4, Klong Luang Pathumthani, 12120, Thailand

    W. Xiaodong, G. Xuan & S.K. Rakshit

Authors
  1. W. Xiaodong
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  2. G. Xuan
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  3. S.K. Rakshit
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Xiaodong, W., Xuan, G. & Rakshit, S. Direct fermentative production of lactic acid on cassava and other starch substrates. Biotechnology Letters 19, 841–843 (1997). https://doi.org/10.1023/A:1018321200591

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  • DOI: https://doi.org/10.1023/A:1018321200591

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