Publication: Characteristics and upregulation of antioxidant enzymes of kitchen mint and oolong tea kombucha beverages
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Issued Date
2020-01-01
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ISSN
17454514
01458884
01458884
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2-s2.0-85096850935
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of Food Biochemistry. (2020)
Suggested Citation
Wanlapa Tanticharakunsiri, Supachoke Mangmool, Karn Wongsariya, Duangjai Ochaikul Characteristics and upregulation of antioxidant enzymes of kitchen mint and oolong tea kombucha beverages. Journal of Food Biochemistry. (2020). doi:10.1111/jfbc.13574 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/60364
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Title
Characteristics and upregulation of antioxidant enzymes of kitchen mint and oolong tea kombucha beverages
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Abstract
© 2020 Wiley Periodicals LLC. Kombucha is a healthy traditional beverage which is made by fermenting products with a symbiotic culture of acetic acid bacteria and yeasts. In present study, leaves of kitchen mint (Mentha cordifolia Opiz. Ex Fresen) and leaves of oolong tea (Camellia sinensis) were fermented in kombucha formula. After fermentation, titratable acidity contents and ethanol of kitchen mint, oolong tea, and mixtures of oolong tea and kitchen mint kombucha samples gradually increased with a period of fermentation time. At day 14 of fermentation, phenolic compounds and flavonoids were increased in all kombucha samples. The numbers of acetic acid bacteria and yeast in kombucha had gradually raised during 7–14 days of fermentation. DPPH and ABTS scavenging activities of these kombucha increased over a period of fermentation time and shown the highest antioxidant capacity on day 14 of fermentation. In addition, all kombucha samples exhibited the antioxidant effects by attenuating H2O2-induced ROS production, increasing mRNA expression of catalase, glutathione reductase (GRe), and Mn-SOD, and inducing GRe enzymatic activity in HEK-293 cells. Kombucha beverage can be used as the healthy beverages for attenuation of oxidative stress in many diseases.