Sell Green tea extract

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special grade tea polyphenols, is extract from green tea by methods of special techniques. It is of light-colour, high catechins and high EGCG; a powerful natural antioxidants activity (determaination by Rancimat method) which is three times-more than that of BHA and four times more than that of BHT, it can use in foods additives; a high security (LD50 = 2.75~5.01g/kg body weight ) ; and a good stability in conditions of acidity and neutrality.