Cov tshuaj yej ntsuab feem ntau muaj cov khoom xws li ascorbic acid, tannins, polyphenolic compounds, catechin fats thiab carotenoids.Cov khoom xyaw no muaj kev cuam tshuam rau kev puas tsuaj vim yog oxygen, kub, av noo, lub teeb thiab ib puag ncig tsw.Yog li ntawd, thaum ntim t ...
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