Método de superficie de respuesta para optimizar las condiciones de producción de ácido láctico a partir de subproductos lácteos: SLC

Alexandra Plata; Sandra Ramírez; Campo Elías Riaño Luna

doi:10.22490/24629448.1004

Vol. 10 No. 18 (2012)

Published

2012-12-15

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

DOI: https://doi.org/10.22490/24629448.1004

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Research Article (before OJS)

Alexandra Plata Escuela de Ciencias Básicas Tecnología e Ingeniería, Universidad Nacional Abierta y a Distancia. Bogotá, Colombia

Sandra Ramírez Escuela de Ciencias Básicas Tecnología e Ingeniería, Universidad Nacional Abierta y a Distancia. Bogotá, Colombia

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.

Central composite experimental design, goat whey, lactic acid, Lactobacillus helveticus LH 0-091, optimization, response surface.

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