• Food Science and Preservation
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• v.5 no.1
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• pp.97-104
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• 1998

The chemical structure of low molecule polyphenol of tea was found as explained. Structure decision of pioanthocyanidin was possible to measure 1,700 molecule, hexamer by chemical basic of polyphenol. At present, structure of high molecule than of that can't be suspected and it is concemed that strong astrigent ccnpound of tea is polymer proanthocyanidin. Mush researches was required in structure decision and isolation of high molecule polyphenol complex. Structure decision will develope at the natural products in the furture.