Functional components of tea and its health care function

Tea contains many nutrients and bioactive substances, such as tea polyphenols, caffeine, amino acids, polysaccharides, vitamins and minerals, which have the following functions:

1. Improve cardiovascular health: Tea polyphenols and caffeine in tea can dilate blood vessels and reduce blood pressure and blood lipids. In addition, vitamin C and iron in tea can promote the synthesis of red blood cells and protect cardiovascular health.

2. Antioxidant: Tea polyphenols in tea is a powerful natural antioxidant, which can scavenge free radicals, delay cell aging and prevent many diseases such as heart disease and cancer.

3. Enhance immunity: Polysaccharides and amino acids in tea can enhance immunity, promote leukocyte activity and improve body resistance.

4. Improve the digestive system: Tea polyphenols and caffeine in tea can promote the secretion of gastric juice and help eliminate symptoms such as indigestion and stomachache.

5. Relieve mental stress: Caffeine in tea is a stimulant, which can improve attention, mental state and psychological vitality, and relieve mental stress, anxiety and depression.

In a word, drinking tea can promote human health, but we should pay attention to choosing good tea quality and drinking methods.