L'activité antioxydante du thé est principalement liée aux ingrédients du thé, à son contenu et à sa fonctionnalité pour la santé. En même temps, elle a clarifié le principe de travail de ces ingrédients principaux comme les polyphénols et les catéchines du thé et d'autres composants chimiques.
Tea in China is known as the “national drink”. Tea contains protein, fattiness, vitamins, and polyphenols, caffeine, LPS, saccharine and other components with pharmacological beneficial effects. Green tea is rich in theanine and catechin, it can delay aging and remove free radicals. Polyphenols and their oxidation products in green tea are able to absorb poison of radioactive materials, and thus to help prevent cardiovascular diseases. It can prevent and treat radiation injury. The caffeine in green tea can enhance the excitement process of cerebral cortex and plays a role of refreshing.
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