Journal
BIOTECHNOLOGY LETTERS
Volume 26, Issue 11, Pages 865-868Publisher
SPRINGER
DOI: 10.1023/B:bile.0000025893.27700.5c
Keywords
biocatalyst; fermentation; hemicellulose hydrolysate; lactic acid production; xylose
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Sugar cane bagasse hemicellulose, hydrolyzed by dilute H2SO4\, supplemented with mineral salts and 0.5% corn steep liquor, was fermented to L(+)-lactic acid using a newly isolated strain of Bacillus sp. In batch fermentations at 50degreesC and pH 5, over 5.5% (w/v) L(+)-lactic acid was produced (89% theoretical yield; 0.9 g lactate per g sugar) with an optical purity of 99.5%.
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