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Fermentation of starch hydrolysates by Lactobacillus plantarum

Shamala, T. R. and Sreekantiah, K. R. (1988) Fermentation of starch hydrolysates by Lactobacillus plantarum. Journal of Industrial Microbiology, 3 (3). pp. 175-178. ISSN 0169-4146

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Abstract

Production of lactic acid by a Lactobacillus plantarum isolate was standardized on a variety of fermentation substrates including enzyme-hydrolysed (alpha-amylase and amyloglucosidase) tapioca (Manihot esculenta) flour, tapioca starch and soluble starch. Yields of lactic acid (g/100 g reducing sugars used) in nutrient media containing hydrolysates (10% reducing sugars) were 21.8, 16.2 and 16.2% for tapioca flour, tapioca starch and soluble starch, resp. Higher yields (29-34%) were obtained in media containing 5% reducing sugars. Conversion efficiency was 80-99% when acid produced in the media was periodically neutralized. 100 ml of medium (5% sugars) yielded 4.0-4.5 g of calcium lactate. It is suggested that the data favour the use of unrefined starchy materials for lactic acid production (the same substrates can be utilized for biomass production).

Item Type: Article
Uncontrolled Keywords: STARCHES-SPECIFIC; lactic acid, starch hydrolysates Lactobacillus plantarum fermentation for; LACTOBACILLUS-; FERMENTATION-; LACTIC-ACID; starch hydrolysates Lactobacillus plantarum fermentation for lactic acid
Subjects: 600 Technology > 05 Chemical engineering > 04 Fermentation Technology
500 Natural Sciences and Mathematics > 07 Life Sciences > 04 Microbiology > 02 Bacteriology
Divisions: Food Microbiology
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 09 Jul 2008 09:08
Last Modified: 10 Jan 2019 09:29
URI: http://ir.cftri.com/id/eprint/1880

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