1, weight loss effect of green tea and black tea
First, green tea to lose weight
After tea leaves are picked, they contact with oxygen in the air and undergo enzyme oxidation, which is called fermentation, while green tea skips this operation and directly kills cyanines to make tea leaves. Because it has not been fermented, green tea can retain most of its nutrients, especially catechins, which can help burn fat.
1, catechin can help relieve greasy and fat.
In the case of excluding caffeine, catechins in tea can also promote metabolism and continue to help fat metabolism. Catechin is the source of astringency of green tea. In fact, both green tea and black tea contain catechins, but at present, it is believed that the content of catechins in unfermented green tea is higher in tea. Catechin can enhance heat energy production, promote fat oxidation and 24-hour heat consumption rate, stimulate fat hydrolysis and inhibit the activity of pancreatic lipolytic enzymes.
Drinking 1 cup of green tea after meals can prevent the rapid rise of blood sugar and reduce the secretion of hormones that help fat accumulation.
2. Reduce blood pressure and cholesterol.
Tannic acid in green tea has a very obvious effect on lowering blood pressure, which can not only inhibit the increase of blood pressure, but also reduce blood pressure.
Some studies have also pointed out that tannic acid can eliminate excess cholesterol in blood, control the evolution speed of arteriosclerosis to a minimum, and help prevent cerebral blood clots and myocardial infarction.
Second, black tea to lose weight
For people who don't like coffee, but want to lose weight by caffeine, black tea is an excellent substitute! If measured by volume, the caffeine content of coffee is more than that of black tea, but if measured by weight, the caffeine content of black tea leaves is twice that of coffee beans, and black tea also contains theaflavins, which can warm the body and promote metabolism. It is quite worth a try.
1, caffeine improves fat burning power
Black tea contains caffeine, which can decompose fat, decompose accumulated body fat into blood, and double the fat burning power during exercise.
Caffeine also has diuretic effect, which can stimulate the kidneys, dilate blood vessels, improve water metabolism and discharge excess water and old waste.
Caffeine can also activate the secretion of gastric juice and promote digestion, but people with bad stomachs should be careful not to take too much!
2. Ginger black tea helps metabolism.
Tea contains theaflavins, which can warm the body, while ginger contains Gingerol, which will be converted into Shogaol when heated, and also has the effect of warming the body.
Peel ginger, grind it into ginger paste, and add black tea to drink together, which can increase the effect of burning fat.
Eating ginger paste can also ingest dietary fiber and improve constipation.
For women, the happiest thing is that ginger can also adjust the cold constitution. Even if you don't lose weight, you might as well try it for health. As long as you get up every morning, make a cup of hot black tea and add a little ginger paste, you can warm your body, improve your metabolism and increase your weight loss of 1 day!
2. The difference between green tea and black tea
1, different manufacturing processes
Green tea: green tea has not been fermented. To make green tea, fresh and tender tea leaves are put into an iron pot at about 200℃ and quickly stir-fried until the water evaporates.
Black tea: Black tea is fermented tea. To make black tea, firstly, the tea leaves should be crushed, squeezed out, then stored and fermented for a certain period of time, and then baked at high temperature.
2. Different colors
Green tea: Chlorophyll in green tea is not easy to be destroyed during stir-frying, and the tea is green.
Black tea: Chlorophyll in black tea leaves is destroyed during fermentation, and tannic acid in tea leaves is oxidized to form a red oxide, so black tea is generally reddish brown.
3, the taste is different
Green tea: green tea has the characteristics of "clear soup and green leaves, strong taste convergence", fresh and mellow taste, refreshing and pleasant, astringent taste than black tea, cool nature, suitable for drinking in summer.
Black tea: Black tea soup is red in color, mellow in taste, fresh and cool in taste and warm in nature. It can be drunk in winter and has the effect of warming the stomach.
4. Different nutrients
Green tea: Green tea retains more natural substances of fresh leaves. Among them, tea polyphenols and caffeine retain more than 85% of fresh leaves, chlorophyll about 50%, and the loss of vitamins is less. Studies show that the natural ingredients retained in green tea have certain effects on anti-aging, cancer prevention, anti-cancer, sterilization and anti-inflammation.
Black tea: During the processing of black tea, due to the oxidation reaction, the chemical composition of its fresh leaves changed greatly, and the tea polyphenols decreased by more than 90%. However, new components such as theaflavins and thearubigins were produced, with strong aroma and fresh leaves, which helped digestion, increased appetite, and diuretic and detumescence.
5, the medicinal value is different.
Green tea: green tea tastes bitter, sweet and cool, and enters the heart, lungs and stomach meridians, which can excite the brain, lower the qi and promote digestion, sober up and remove phlegm, dispel wind and relieve exterior symptoms, replenish qi and strengthen teeth. It can be used for treating headache, drowsiness, dysphoria, indigestion and phlegm stagnation, malaria, dysentery and drunkenness.
Black tea: black tea is bitter and sweet, warm in nature, and enters the heart, kidney and stomach meridians; Refreshing and improving eyesight, lowering qi and promoting digestion, removing phlegm and stopping dysentery, inducing diuresis and relieving alcoholism, expelling wind and relieving exterior syndrome. It can be used to treat mental fatigue, dyspepsia, dysentery, abdominal distension, excessive drinking, cold and common cold.
6, on behalf of tea
Green tea: Biluochun, Emeishan tea, West Lake Longjing, Lushan Yunwu, Songfeng green tea, Huangshan Mao Feng and so on are all green tea.
Black tea: Qimen black tea is the most famous, such as Dianhong, Huohong, Yinghong and Ninghong.