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US 8,558,016 B2Granted
Polyphenol derivative and method for producing the same
AssigneesKabaushiki Kaisha Riverson, Saga University
InventorsTeruyoshi Yanagita, Kanji Ishimaru, Takashi Tanaka, Kazunori Koba, Hitoshi Miyazaki, Naohito Aoki, Denbei Kawamura
Life of this patent
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Abstract
A novel substance exhibiting physiologically active effects is produced from a tea leaf. A novel polyphenol derivative is produced, for example, by subjecting a microbially fermented tea leaf obtained by culturing Aspergillus sp. (PK-1) with a tea leaf, to an extraction treatment.
Claims9
A polyphenol derivative represented by the following general formula (I):
Dependencies are inferred from the claim text.