Preparation of optically pure D- and L- lactic acid

Details Preparation of optically pure D- and L- lactic acid Preparation of optically pure D- and L- lactic acid

1982-06-30

1988-09-06

Wiseman, Thomas G.

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing oxygen-containing organic compound

435 42, 435253, 435256, 435835, 435940, C12P 2900, C12P 756, C12R 185, C12R 109

Patent

active

047693290

ABSTRACT:
A process for the preparation of optically pure D- or L-lactic acid by fermentation of an aqueous nutrient medium, which contains nitrogen, vitamins, aminoacids, sugars and trace elements, by means of a microorganism, at pH 4-6, wherein the nutrient medium contains brewers' yeast as the source of nitrogen, vitamins, aminoacids and trace elements.

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patent: 4305963 (1981-12-01), Nakagawa
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Chemical Abstracts, vol. 23, Abstract No. 3948-5, Neill, J. M. et al., "The Use of Culture Media Made from Commercial Dried Yeast as a Routine Substitute for Meat Infusion Peptone Media".
Chemical Abstracts, vol. 65, No. 3, 1966, Abstract No. 4616c, Krumphanzl, V. et al., "Lactic Acid".
Chemical Abstracts, vol. 82, 1975, p. 445, Abstract No. 56031w, Fujino, S. et al., "Preparation of Yeast Extract by Cell Wall Lytic Enzymes".
The Yeasts, vol. 3, Rose, A. H. et al., editors, "Mixed Culture of Sake Yeast and Sake Lactic Acid Bacteria", Chapter 5, pp. 235-237, Academic Press, New York (1970).
Chemical Abstracts 29, 1128-5 (1935).

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