When talking about health preservation, many people think that health care is only for the elderly. In fact, it is not like this. If you want to stay healthy, you must start with every little detail in your life. Only by persisting for a long time can you keep your body in a relatively healthy and energetic state. Today I will introduce to you the health benefits of tea. However, tea is divided into many categories. Female friends must make targeted choices according to seasonal changes and body needs. Is green tea better or black tea? Scientific tea drinking should be based on the season. The climate changes differently throughout the year, and people's physiological needs are also different. Based on people's physiological needs and the characteristics of tea, it is best to choose different teas to drink in different seasons to reach a higher level of tea drinking. Green tea is an unfermented tea with a high amino acid content. Black tea is fermented, and tea polyphenols are oxidized into thearubigins, theaflavins, etc., forming the specific color, aroma and taste of black tea. From the perspective of anti-cancer, green tea is indeed better than black tea. The leaves contain more than 500 chemical components, of which polyphenols account for 20% to 35%. After oxidation, tea polyphenols will form tea pigments, whose monomers are thearubigins, theaflavins and theabrownins. Tea polyphenols and tea pigments both play an important role in human health. They are the main biologically active ingredients in tea and also the main antioxidant ingredients in tea. Both tea polyphenols and tea pigments have strong antioxidant effects. They can induce the activity of antioxidant enzymes in the body, inhibit the metabolic activation of carcinogens, and inhibit the abnormal proliferation of tumors. They can also interrupt or prevent lipid peroxidation, scavenge superoxide radicals and hydroxyl free radicals, thereby inhibiting atherosclerosis. Another thing we want to tell you is that the nutritional value of tea is closely related to its picking time and growing environment. If we want tea to play its best health-care function, we should also understand the specific usage of tea and master the scientific knowledge of choosing tea. For example, there are many techniques for choosing tea according to seasonal changes. |
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