Lactic acid production from sugar-cane juice by a newly isolated Lactobacillus sp.
A newly isolated sucrose-tolerant, lactic acid bacterium, Lactobacillus sp. strain FCP2, was grown on sugar-cane juice (125 g sucrose l(-1), 8 g glucose l(-1) and 6 g fructose l(-1)) for 5 days and produced 104 g lactic acid l(-1) with 90% yield. A higher yield (96%) and productivity (2.8 g l(-1 )h(-1)) were obtained when strain FCP2 was cultured on 3% w/v (25 g sucrose l(-1), 2 g glucose l(-1) and 1 g fructose l(-1)) sugar-cane juice for 10 h. Various cheap nitrogen sources such as silk worm larvae, beer yeast autolysate and shrimp wastes were also used as a substitute to yeast extract.
Timbuntam
Walaiporn
W
Kasetsart Agricultural and Agro-Industrial Improvement Institute, Kasetsart University, Bangkok 10900, Thailand.
Sriroth
Klanarong
K
Tokiwa
Yutaka
Y
D005285:Fermentation / Q000502:physiology; D007218:Industrial Microbiology / Q000379:methods*; D019344:Lactic Acid / Q000096:biosynthesis*; D007778:Lactobacillus / Q000302:isolation & purification / Q000378:metabolism*; D009584:Nitrogen / Q000378:metabolism; D031786:Saccharum / Q000378:metabolism*; D013395:Sucrose / Q000378:metabolism*
D019344:Lactic Acid; D013395:Sucrose; D009584:Nitrogen