2002•Zhongguo youzhiRequires access

Study on Content Determination Method of Green Tea Polyphenol

Liao Xiao

Abstract

In this paper,applation actuality of New Food Additive Green Tea Polyphenols was simply described,and a new indirect method for determining Green Tea Polyphenols by atomic absorption spectrometry is studied. The basis is Green Tea Polyphenols could react with Pb 2+ and lead to yellow precipitate.The precipitate is centrifuged to subside,the Pb 2+ in supernatant is determined by AAS,and the concentration of Green Tea Polyphenols is obtained.

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Key concepts: Polyphenol, Green tea, Chemistry, Food science, Atomic absorption spectroscopy, Green food, Raw material, Organic chemistry