2. It has antioxidant effect;

3. It has anti-tumor effect;

4. It has the effects of nourishing the heart, nourishing the mind and benefiting qi;

5. It has the function of nourishing the liver and improving eyesight;

6. Polyphenols and esters contained in old white tea can promote the synthesis of insulin, assist in the treatment of diabetes, and have a certain regulatory effect on human glucose metabolism;

7, can prevent cerebrovascular diseases, such as cerebral embolism, cerebral thrombosis or cerebral hemorrhage.

Extended data:

Distinguish between old white tea and new tea;

From the appearance, the overall feeling of old white tea is dark brown, but it can still be distinguished from the tea leaves. Smell slowly, smell fragrant, but not turbid, which can immediately wake people up;

New tea generally refers to spring tea before the Ming Dynasty, such as Bai Hao and Bai Mudan. Tea is brownish green or grayish green, with white needles and full Bai Hao, especially the white tea picked in March in Yangchun, whose Baihao at the bottom of leaves and terminal buds is more abundant than that produced in other seasons. It is essential to make a delicate and good white tea aroma, and it is a mixture of sweetness and tea green flavor.

Baidu encyclopedia-old white tea