International Journal of Multidisciplinary Research and Development

International Journal of Multidisciplinary Research and Development


International Journal of Multidisciplinary Research and Development
International Journal of Multidisciplinary Research and Development
Vol. 1, Issue 3 (2014)

Investigation of lactic acid fermentation from corn by-product using l. casei and L. plantarum strain


Nguyen Phuoc Minh

Corn by-product raw materials are then collected in that moisture is 12.6%, 44% of cellulose, lignin content 11.2% is pretty good raw material for making substrate for lactic acid fermentation. The process of hydrolysis of corn by-product is conducted by H2SO4 15%, at 121 0C, during the 90 minutes, collecting the relatively high glucose content of 3.7% (g/100 ml), for lactic fermentation. In the type 2 strain of bacteria introduced into selected research, L. casei and L. plantarum, L. plantarum is best suited for lactic fermentation because the strain has a pH of fermentation environment MRS = 4.25 lower strain L. Casei have pH= 4.75. Strain L. plantarum also for lactic acid concentration is 12.83 g/l higher payroll function that lactic acid strain L. casei obtained is 11.64 g/l. Upset after hydrolysis process could not be reused by for the low hydrolysis. Determine the optimal technology factors for lactic acid fermentation at the same rate of 6%, 5% glucose concentration, pH=6, temperature 38 oC, while lactic acid concentration obtained after 84 h is 19.07 g/l. When conducting tests of purified lactic acid from fermented fluids with the specifications that are referenced from the pilot study, the result of lactic acid purification is 51.81 g/l.
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How to cite this article:
Nguyen Phuoc Minh. Investigation of lactic acid fermentation from corn by-product using l. casei and L. plantarum strain. International Journal of Multidisciplinary Research and Development, Volume 1, Issue 3, 2014, Pages 92-100
International Journal of Multidisciplinary Research and Development International Journal of Multidisciplinary Research and Development