Published 2012-12-15
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Research Article (before OJS)

Response surface method for the optimization of lactic acid production conditions from dairy sub products: SLC

DOI: https://doi.org/10.22490/24629448.1004
Alexandra Plata Universidad Nacional Abierta y a Distancia
Sandra Ramírez Universidad Nacional Abierta y a Distancia
Campo Elías Riaño Luna
In the study the production of lactic acid from whey goats as main substrate (SLC) was optimized, following 2k experimental design combined with a central composite design and response surface analysis. It was also determined the combined effects of the concentration of three nutrient level (Riboflavin, yeast extract, ammonium sulfate): X1 and temperature (0C): X2 in lactic acid concentration. According with the results there is enough statistical evidence (95% confidence) that showed that the temperature and the concentration of complement and their interaction influence the production of lactic acid obtained by fermenting goat whey. The greatest lactic acid production (23, 68 g / liter) and bacterial growth were gotten with higher concentrations of nutrients and temperature of 42 ° C.
keywords: Central composite experimental design, goat whey, lactic acid, Lactobacillus helveticus LH 0-091, optimization, response surface.
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How to Cite

Plata, A., Ramírez, S., & Riaño Luna, C. E. (2012). Response surface method for the optimization of lactic acid production conditions from dairy sub products: SLC. NOVA Biomedical Sciences Journal, 10(18), 157-163. https://doi.org/10.22490/24629448.1004
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