Impact of Glycerol Concentration on Lactic Acid Fermentation

Wilawan Malee; Nipon Pisutpaisal; Siriorn Boonyawanich

doi:10.4028/www.scientific.net/AMR.610-613.356

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 610-613Impact of Glycerol Concentration on Lactic Acid...

Impact of Glycerol Concentration on Lactic Acid Fermentation

Abstract:

Lactic acid was fermented from glycerol under condition of 37oC, pH 7 and varying glycerol concentration range of 10-85 g L-1 using 3 different pure cultures, Lactobacillus leichmanii, Lactobacillus delbrueckii, and Corynebacterium glutamicum. In 45 g L-1 glycerol–containing MRS medium, L. delbrueckii and L. leichmanii produced maximum lactic concentration of 32.6 and 23.5 g L-1, respectively. Concentration of lactic acid increased with the increase of glycerol concentration range of 0-45 g L-1. No lactic acid was produced at glycerol greater than 45 g L-1.