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김동혁

Kim, Donghyuk
Systems Biology and Machine Learning Lab.
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Fermentation product with new equol-producing Lactobacillus paracasei as a probiotic-like product candidate for prevention of skin and intestinal disorder

Author(s)
Kwon, Jeong EunLim, JaewonBang, InaKim, InhyeKim, DonghyukKang, Se Chan
Issued Date
2019-07
DOI
10.1002/jsfa.9648
URI
https://scholarworks.unist.ac.kr/handle/201301/26624
Fulltext
https://onlinelibrary.wiley.com/doi/full/10.1002/jsfa.9648
Citation
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE, v.99, no.9, pp.4200 - 4210
Abstract
BACKGROUND: Equol is a major isoflavone metabolite, and equol-producing bacteria have been isolated and characterized; however, fermentation has been performed with soybean-based products as substrates. Pueraria lobata has been reported as a plant with higher content of isoflavones. RESULTS: The genome of new equol-producing bacteria, Lactobacillus paracasei JS1, was analyzed. Also, the effect of P.lobata extract fermented with L.paracasei JS1 (FPE) on the skin and intestinal immune response was examined. With gene expression analysis, it was proven that seven skin-related proteins, hyaluronan synthase-1, -2, -3, collagen, elastin, epidermal growth factor, and epidermal growth factor receptor were differentially expressed upon FPE treatment. The messenger RNA expression increased with treatment with the FPE, and a skin moisturizing effect was confirmed by a hematoxylin–eosin staining experiment. In addition, such an experiment showed that proinflammatory cytokines, tumor necrosis factor-α, cyclooxygenase-2, inducible nitric oxide synthase, interleukin-1β, -4, and -6, were reduced in large intestine when treated with FPE. CONCLUSION: L.paracasei JS1 has the ability to produce equol having beneficial effects on the skin. Moreover, FPE also has an inhibitory effect on inflammation cytokines in the large intestine. Thus, the novel and edible equol-producing L.paracasei JS1 and FPE have thepotential to be developed as nutricosmetic resources.
Publisher
John Wiley and Sons Ltd
ISSN
0022-5142
Keyword (Author)
equolintestine inflammationLactobacillus paracasei JS1Pueraria lobataskin moisturizing
Keyword
IN-VITROCASEI GROUPGEN-NOV.SOYDAIDZEINISOFLAVONESIDENTIFICATIONBACTERIAHISTORYFOOD

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