The characteristics and efficacy of black tea
The dry tea color of the black tea and the brewed tea soup are mainly red, so it is called black tea.
The tea leaves of the tea tree suitable for the production of this product are used as raw materials, and are refined by a typical process such as withering, sputum, fermentation and drying.
When black tea began to be created, it was called “black tea.”
The black tea undergoes a chemical reaction during the processing, and the chemical composition changes in the fresh leaves are broken. The tea polyphenols are reduced by more than 90%, and the new components of theaflavins and theaflavins are produced.
The aroma substances are increased from more than 50 kinds of fresh leaves to more than 300 kinds, and some caffeine, catechin and theaflavin complexes form a delicious complex, thereby forming black tea, red soup, red leaves and sweet alcohol.Quality characteristics.
Black tea is divided into small black tea, black tea and red broken tea according to different manufacturing methods.
The effect of black tea On May 13, 2002, the American Medical Association published a survey of 497 males and 540 females over 10 years. It pointed out that the bones of black tea are strong, and the polyphenols in black tea (also in green tea) inhibit the destruction of bone cells.The vitality of the substance, the amount of polyphenols in various foods is as follows: black tea – 17.
4, green tea – 12.
0, red wine – 9.
6, fresh orange juice – 0.
In order to prevent osteoporosis in women, it is recommended to take a small cup of black tea every day for a few years.
For example, adding lemon to black tea, strong bones, the effect is stronger, can also add a variety of fruits in black tea, can play a synergistic role.
The Osaka City University experiment in Japan pointed out that one hour after the incorporation of black tea, the blood flow velocity of the heart was measured to improve, and it was confirmed that black tea had an interventional intervention effect on myocardial infarction.
American magazines report that black tea has stronger anti-aging effects than garlic head, broccoli and carrots.
Black tea has some interesting sayings, to provide you with reference: health care: black tea can help digestion, promote near appetite, diuretic, eliminate edema, and strengthen myocardial function.
Preventing diseases: Black tea has strong antibacterial activity. It can prevent colds caused by viral viruses and prevent tooth and food poisoning, and lower blood sugar levels and high blood pressure.