Tea an herbal magic of nature

Tea tree has the scientific name is Camellia sinensis plant leaves and buds that are used to produce tea Camellia sinensis is native to parts of Asia, but now widely planted in many parts of the world in the area tropics and subtropics.Apart from India and China today tea is grown mostly in Sri Lanka and Kenya.

Green tea is good year round, with white flowers, possibly tens of meters high, but the farms are trimmed to two meters lower than the second means. Tea seeds can be pressed for oil. Tea leaves about 2.5 to 4 cm long and 2-5cm wide from younger leaves and pale green leaves are harvested to produce tea of ​​the leaves below the surface while the silk short white hairs. The old leaves are dark green. The different age of the tea leaves to create different products for quality by the chemical composition of the different leaves.

Drink tea is available on almost every country in the world, not only because tea is a common beverage, but also nutrition for health and prevent many dangerous diseases

Tea is prepared by soaking the leaves, buds, or twigs of the tea plant Camellia sinensis in boiling water for several minutes. Processed, there are often many different names and types of tea: Fresh tea, tea leaves, tea, dolls, tea powder, tea powder, tea plants, tea leaves of different types of fermentation (oxidation) as green tea, black tea , oolong, white tea, red tea. When chilled to taste tea scented flower called lotus flowers as tea (scented with lotus flowers), jasmine tea

Tea is a source of caffeine, theophylline and antioxidant (antioxidant) natural, but it has almost no fat, carbohydrate, or protein. It has the cool, bitter, and tie

Some teas are often used

Green tea (green tea) also known as green tea, selected tea leaves picked from the young, after having dried tea is not fermented. Because green tea is not fermented tea should be kept in minerals and elements beneficial to health such polyphenol extract contains 30-40% in water. Green tea is said to contain anti-cancer elements and a high amount of vitamin C

Black tea (black tea) also known as red tea, scented specially strong fermentation as long as several hours. Tea keeps the flavor but is black. Black tea contains 30-10% polyphenols and tea which is popular western (Lipton)

Oolong (Oolong tea) are two types of black tea and green tea.Tea leaves and buds after harvest is dried, crumpled and then incubated in a short time thanks to the sale of the production process of fermentation. The amount of polyphenol in oolong has many health benefits.

White tea (white tea) is the most pure teas. Young tea leaves after harvesting of the right to appeal against the fermentation and drying. When mixed with white tea, so called white tea.The tea flavonoids (substances with anti-cancer effects) than other teas.

The benefits of drinking tea

Tea is not only a drink and common values ​​that the old drug policy is also an herbal tea to help increase alertness, relieve pain, help fatigue, increase energy, strengthen the energy, the recovery vision. The study of ancient China, Japan, South Korea see tea as a "spiritual drug" of folk, tea can "re-aging complete the" longevity.

Today's research shows that tea may benefit human health as follows:

- Increase the immunity

- Lower bad cholesterol (LDL)

- Increase good cholesterol (HDL)

- Regulation of blood sugar

- Reducing blood pressure

- Helps to treat cardiovascular disorders

- Reduce the risk of stroke

- Reduce the likelihood of cancer

- Increasing life expectancy

- Increased memory

- Helps digestion and weight loss

- Sterilization, disinfection ...

Moreover tea also has a prevention against diseases such

- To prevent tooth decay, gum disease prevention

- Skin Protection

- Anti arthritis

- Preventing the flu

- Anti-clotting

- Preventing Diabetes

- Preventing skin cancer, lung, esophagus, stomach, intestines ...

The reason tea has the benefits of health protection and prevention of such diseases is due to the following major components of tea:

1. polyphenols

2. vitamins and minerals

3. Caffeine

In the components above, catechin - a kind of antioxidant polyphenols - the most notable is .. The highest concentration of catechins in green tea and white tea, and descending from oolong to black tea, depending on fermentation time during processing. Catechins have antioxidant properties and is the main substance helps the body fight diseases such as cancer, stroke, hypertension, diabetes, obesity, food poisoning.

Polyphenol content of tea depends much on the same tea growing areas, crop harvesting, high-intensity lighting and how to prepare the tea There are four primary polyphenols in tea, which is epigallocatechin gallate ( EGCG), epigallocatechin (EGC), epicatechin (ECG) and epicatechin (EC).

Conclusion

Few of us today are aware that drinking the tea rich applications and benefits of a plant commonly found in gardens, a popular drink so many in our country as well as a large part of Asia . The old engine, even less than I make in scientific knowledge about tea, tea leaves, but the more detail we knew a lot of ways to enjoy tea.

However tea also be careful because sometimes the side effects. Such as teas containing substances (tannin) if drinking more can cause reactions in the intestine, reduced absorption of calcium and iron. Also drink lots of tea do for insomnia because caffeine in tea stimulate the nerve.