Patent · US Active

Polyphenol composition

US9011944B2 · kind B2 · utility

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20Claims
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Assignee

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Key dates

Filing dateMar 17, 2010
Grant dateApr 21, 2015
Priority date
Expiry dateJun 21, 2030

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA23V2002/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A polyphenol composition derived from Camellia sinensis and contains flavonol aglycones and flavonol glycosides, in a weight ratio [(B)/(A)] of the following total contents (B) to (A) is from 0.01 to 18, wherein (A) total content of the flavonol aglycones contained in solids of the polyphenol composition after hydrolysis as measured by high-performance liquid chromatography, and (B) total content of the polyphenols contained in solids of the polyphenol composition as measured by the ferrous tartrate method.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.