Old white tea refers to white tea that has become dry and loose after several years or even longer storage. Old white tea is rich in tea polyphenols, catechins, flavonoids and other effective components, and has the following effects:

1. Antioxidant: Tea polyphenols and flavonoids in old white tea have strong free radical scavenging ability, which can resist oxidation and prevent oxidative damage.

2. Health care: Old white tea contains a variety of minerals and vitamins, which can promote human metabolism, enhance immunity, regulate acid-base balance in the body, and is beneficial to health.

3. Weight loss and slimming: Flavonoids and catechins in old white tea can promote fat metabolism, reduce blood lipid and cholesterol levels, help to lose weight and achieve slimming effect.

4. Relieve fatigue: catechins and theophylline contained in old white tea can stimulate the central nervous system, improve mental state, relieve fatigue and improve work efficiency.

5. Antibacterial and anti-inflammatory: Flavonoids and other substances in old white tea have antibacterial and anti-inflammatory effects, which can prevent oral and gastrointestinal infections and inflammation.

In a word, old white tea is rich in nutrition, has health care function, is suitable for all kinds of people to drink, and has a good protective effect on health.