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Optimizing Medium Components for the Maximum Growth of Lactobacillus plantarum JNU 2116 Using Response Surface Methodology

Authors
Yoo, HeeseopRheem, InsooRheem, SungsueOh, Sejong
Issue Date
4월-2018
Publisher
KOREAN SOC FOOD SCIENCE ANIMAL RESOURCES
Keywords
response surface methodology; optimization; growth; Lactobacillus plantarum
Citation
KOREAN JOURNAL FOR FOOD SCIENCE OF ANIMAL RESOURCES, v.38, no.2, pp.240 - 250
Indexed
SCIE
SCOPUS
KCI
Journal Title
KOREAN JOURNAL FOR FOOD SCIENCE OF ANIMAL RESOURCES
Volume
38
Number
2
Start Page
240
End Page
250
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/76245
DOI
10.5851/kosfa.2018.38.2.240
ISSN
1225-8563
Abstract
This study was undertaken to find the optimum soy-peptone, glucose, yeast extract, and magnesium sulfate amounts for the maximum growth of Lactobacillus plantarum JNU 2116 and to assess the effects of these medium factors through the use of response surface methodology. A central composite design was used as the experimental design for the allocation of treatment combinations. In the analysis of the experiment, due to a significant lack of fit of the second-order polynomial regression model that was used at first, cubic terms were added to the model, and then two-way interaction terms were deleted from the model since they were found to be all statistically insignificant. A relative comparison among the four factors showed that the growth of L. plantarum JNU 2116 was affected strongly by yeast extract, moderately by glucose and peptone, and slightly by magnesium sulfate. The estimated optimum amounts of the medium factors for the growth of L. plantarum JNU 2116 are as follows: soy-peptone 0.213%, glucose 1.232%, yeast extract 1.97%, and magnesium sulfate 0.08%. These results may contribute to the production of L. plantarum L67 as a starter culture that may have potential application in yogurt and fermented meat products.
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