Kinetics for Phenyllactic Acid Production by Lactobacillus paracasei W2 in Batch Fermentation

doi:10.7506/spkx1002-6630-201119039

Abstract

Abstract: The cell growth, phenyllactic acid (PLA) production and sugar consumption of Lactobacillus paracasei W2 throughout the batch fermentation were investigated and corresponding kinetic models were proposed according to Logistic and Luedeking-Piret equations. The experimental data was processed by Matlab 7.0 software, and the batch fermentation kinetics model parameters were achieved. The R2 of each of the proposed models was greater than 0.955, suggesting that the experiment data were fitted well with these models. Therefore, the established models can provide a reasonable description for the batch fermentation process.

Key words: Lactobacillus paracasei, phenyllactic acid, batch fermentation, kinetics model

CLC Number:

TQ920.1

SUN Jiang，ZHENG Li-xue，WANG Li-mei. Kinetics for Phenyllactic Acid Production by Lactobacillus paracasei W2 in Batch Fermentation[J]. FOOD SCIENCE, 2011, 32(19): 180-183.

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Kinetics for Phenyllactic Acid Production by Lactobacillus paracasei W2 in Batch Fermentation

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