Hypotriacylglycerolemic and Antiobesity Properties of a New Fermented Tea Product Obtained by Tea-Rolling Processing of Third-Crop Green Tea (Camellia sinensis) Leaves and Loquat (Eriobotrya japonica) Leaves | Zendy

Kazunari Tanaka | Zendy; Shizuka Tamaru | Zendy; Shoko Nishizono | Zendy; Yuji Miyata | Zendy; Kei Tamaya | Zendy; Toshiro Matsui | Zendy; Takashi Tanaka | Zendy; Yoshie ECHIZEN | Zendy; Ikuo Ikeda | Zendy

Open Access

Hypotriacylglycerolemic and Antiobesity Properties of a New Fermented Tea Product Obtained by Tea-Rolling Processing of Third-Crop Green Tea (Camellia sinensis) Leaves and Loquat (Eriobotrya japonica) Leaves

Author(s) -

Kazunari Tanaka,

Shizuka Tamaru,

Shoko Nishizono,

Yuji Miyata,

Kei Tamaya,

Toshiro Matsui,

Takashi Tanaka,

Yoshie ECHIZEN,

Ikuo Ikeda

Publication year - 2010

Publication title -

bioscience biotechnology and biochemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.509

H-Index - 116

eISSN - 1347-6947

pISSN - 0916-8451

DOI - 10.1271/bbb.100197

Subject(s) - camellia sinensis , food science , fermentation , japonica , chemistry , eriobotrya , green tea extract , postprandial , lipase , fermentation in food processing , traditional medicine , biology , biochemistry , green tea , lactic acid , botany , insulin , medicine , bacteria , enzyme , microbiology and biotechnology , genetics

We manufactured a new fermented tea by tea-rolling processing of third-crop green tea (Camellia sinensis) leaves and loquat (Eriobotrya japonica) leaves. The mixed fermented tea extract inhibited pancreatic lipase activity in vitro, and effectively suppressed postprandial hypertriacylglycerolemia in rats. Rats fed a diet containing 1% freeze-dried fermented tea extract for 4 weeks had a significantly lower liver triacylglycerol concentration and white adipose tissue weight than those fed the control diet lacking fermented tea extract. The activity of fatty acid synthase in hepatic cytosol markedly decreased in the fermented tea extract group as compared to the control group. The serum and liver triacylglycerol- and body fat-lowering effects of the mixed fermented tea extract were strong relative to the level of dietary supplementation. These results suggest that the new fermented tea product exhibited hypotriacylglycerolemic and antiobesity properties through suppression of both liver fatty acid synthesis and postprandial hypertriacylglycerolemia by inhibition of pancreatic lipase.

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