Tea contains a variety of complex components, and the ingredients with a variety of health care effects mainly include tea polyphenols, caffeine, amino acids, pigments, vitamins, ester polysaccharides, minerals, aromatics and other eight categories.
1.Tea polyphenols: mainly a class of biological compounds with catechins as the main body, the content accounts for 15% and 28% of the weight of fresh leaves. Tea polyphenols have the effects of lowering blood lipids, **, etc., and are important health care ingredients in tea.
2.Alkaloids: The main alkaloids in tea are caffeine, theophylline, theobromine, etc. Caffeine has the effect of stimulating the central nervous system, refreshing; Theophylline and theobromine have a neutralizing effect, soothing the stimulation of caffeine to the heart, making tea a healthy drink.
3.Other nutrients: Tea also contains amino acids, vitamins and other nutrients, although the content is low, but it also has certain effects on the human body, such as anti-aging, anti-cancer, anti-oxidation, etc.
4.Other functions of tea: In addition to lowering blood lipids, tea also has anti-aging, anti-cancer, antioxidant, anti-inflammatory, diuretic, eye-brightening, digestion, reducing heavy metal poisoning, reducing tobacco and alcohol toxicity, and preventing tooth decay.
In summary, the ingredients in tea are not only beneficial to health, but also have a variety of health and medicinal properties. Ingredients such as tea polyphenols and caffeine in tea are good for health when consumed in moderation, but care needs to be taken not to consume too much to avoid adverse reactions.