The efficacy of tea:
1, antihypertensive
Catechin class, commonly known as tea tannin, is a unique component of tea, with bitter, astringent flavor and astringency. In the tea soup can be combined with caffeine and moderate the physiological effects of caffeine on the human body. It has antioxidant, anti-sudden mutation, anti-tumor, lowering blood cholesterol and low-density ester protein content, inhibiting blood pressure, inhibiting platelet aggregation, anti-bacterial, anti-allergy and other effects.
2, refreshing
Caffeine, with a bitter flavor, is an important component of the tea flavor. Black tea tea soup, and polyunsaturated phenols combined to become a complex; tea soup after the formation of cold emulsification phenomenon. Tea in the unique catechins and their oxidized condensate in addition to caffeine can slow down the role of excitation and sustained, so drinking tea can make long-distance driving people to keep their minds awake and more endurance.
3, health
Tea is rich in potassium, calcium, magnesium, manganese and other 11 minerals. Tea soup has more cations and less anions, which is alkaline food. It can help body fluids maintain alkalinity and stay healthy.
4, slightly bitter taste, sweet, cool nature. It can clear the head and eyes, wake up the spirit, quench thirst, facilitate urination, eliminate food accumulation and detoxification. Used for wind-heat offenders, dizziness, dizziness; summer fever, thirst, or excessive alcohol consumption; sleepy, fatigue, tiredness; urination, short red unfavorable, or oedema and urination; greasy food accumulation, indigestion; damp-heat diarrhea, dysentery.
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Introduction to Tea:
Tea, (scientific name: Camelliasinensis ( L.) O. Ktze.), shrub or small tree, shoots glabrous. Leaves leathery, oblong or elliptic, apex obtuse or acute, base cuneate, shiny above, glabrous or initially pilose below, margin serrate, petiole glabrous. Flowers white, petiole sometimes slightly longer; sepals broadly ovate to orbicular, glabrous, persistent; petals broadly ovate, base slightly connate, abaxially glabrous, sometimes pubescent; ovary densely white hairy; style glabrous. Capsule 3-globose or 1-2-globose, 1.1-1.5 cm tall, with 1-2 seeds per globe. Fl. Oct. to Feb. next year.
The wild species is found throughout the mountainous regions of the provinces south of the Yangtze River in China, and is small and tree-like, with large leaves, often more than 10 cm long, and has been widely cultivated for a long time, with great variations in indumentum and leaf shape. Tea can be used as a beverage, contains a variety of beneficial components, and has health benefits.
Beneficial components:
1, tea polyphenols are the most abundant class of soluble components in tea, but also tea to play its health effects of the most important substances, the most typical representative of the catechins (phenols), with antioxidant (elimination of oxygen free radicals), anti-inflammatory, reduce the incidence of cardiovascular disease, cancer prevention, lowering blood lipids, reduce the formation of body fat, anti-bacterial, and to change the ecology of intestinal flora. and many other effects. Studies have shown that half an hour after drinking a cup of tea, the antioxidant capacity of the blood (the ability to fight oxygen free radicals) increased by 41% to 48%, and can be sustained at high levels for one and a half hours.
2, tea pigments mainly include chlorophyll, beta-carotene, etc., with anti-swollen cancer, slow aging and beauty and other effects.
3, theanine can improve brain function, enhance memory and learning ability. Alzheimer's disease (dementia), Parkinson's disease and autonomic dysfunction have preventive effects.
4, tea polysaccharide is a class of complex mixture of components. Tea polysaccharide has anti-radiation, increase the number of white blood cells, improve immunity, but also can lower blood sugar. Folklore circulating bubble drinking coarse tea for diabetes practice, mainly to play the role of tea polysaccharides.
5, Υ-aminobutyric acid in the natural tea content is not much, but the tea after processing its content increased significantly. Υ-aminobutyric acid's main effect is to dilate blood vessels so that the blood pressure drop, so can assist in the treatment of hypertension. It also improves blood circulation in the brain and enhances the metabolism of brain cells, which helps in the rehabilitation of stroke and the sequelae of cerebral atherosclerosis.
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