@misc{SaavedraAlejandroParedesFloresSantosetal., author = {Saavedra, Stephy and Alejandro-Paredes, Luis and Flores-Santos, Juan Carlos and Flores-Fern{\´a}ndez, Carol Nathali and Arellano-Garc{\´i}a, Harvey and Zavaleta, Amparo Iris}, title = {Optimization of lactic acid production by Lactobacillus plantarum strain Hui1 in a medium containing sugar cane molasses}, series = {Agronom{\´i}a Colombiana}, volume = {39}, journal = {Agronom{\´i}a Colombiana}, number = {1}, issn = {0120-9965}, doi = {10.15446/agron.colomb.v39n1.89674}, pages = {98 -- 107}, abstract = {The aim of this study was to optimize lactic acid production by a native strain (Huil) of Lactobacillus plantarum isolated from a Peruvian Amazon fruit (Genipa americana) in a medium supplemented with an agroindustrial by-product such as sugar cane molasses. Optimization was performed though one-factor-at-a-time studies followed by the Placket-Burman and central composite designs. The data were analyzed by using the Statistica® 10 software. Several carbon, nitrogen and ion sources were tested, and the optimum concentration of lactic acid achieved was 84.2 g L-1 in a medium containing as follows (in g L-1): meat extract, 18.69; tryptone, 7.88; sugar cane molasses, 140; calcium carbonate, 15; dipotassium phosphate, 1; manganese phosphate, 0.03; sodium acetate, 5, and magnesium sulphate, 0.2. In addition, a high degree of conversion from sugar cane molasses to lactic acid was obtained (Yp/e 0.898 g g-1). These results indicate the potential of Lactobacil-lus plantarum strain Hui1 to produce lactic acid in a medium supplemented with sugar cane molasses, an underutilized industrial by-product.}, language = {en} }