Black tea and green tea are both common teas, and there are great differences between them. Green tea is unfermented tea, while black tea is completely fermented tea. But whether drinking black tea or green tea is good for people's health. Drinking black tea and green tea has a certain weight loss effect. Is it better to drink black tea or green tea?

1, comparison of slimming effect

After tea leaves are picked, they will be oxidized by enzymes when they come into contact with oxygen in the air. However, green tea will be directly made into tea without fermentation, retaining most of the nutrients, including catechins that help burn fat. Excluding the effect of caffeine, catechins in tea can promote metabolism and help burn fat continuously. After fermentation, the original catechin is oxidized into thearubigins and theaflavins, which can warm the body. Moreover, black tea is sweet and mild, which has less burden on the stomach, but it also has certain irritation, so it should be drunk moderately.

2. Green tea catechins are higher than black tea.

Both green tea and black tea contain catechins, but green tea has not been fermented and its catechin content is higher than that of black tea. Catechins can enhance heat energy production, promote fat oxidation and heat loss rate, stimulate fat hydrolysis and inhibit pancreatic lipolytic enzyme activity. Drinking a cup of green tea after meals can prevent blood sugar from rising and reduce hormone secretion of fat accumulation.

3, caffeine refreshing ability to burn fat

As far as caffeine capacity is concerned, the caffeine content in black tea is relatively higher than that in green tea. Caffeine can decompose fat, decompose accumulated fat into blood, and double the burning power of fat during exercise. In addition, caffeine also has diuretic effect, which can stimulate the kidneys, help improve water metabolism, dilate blood vessels, and smoothly discharge excess water and waste in the body. Caffeine can also promote the secretion of gastric juice and has excellent digestive function, but people with bad stomach should drink it in moderation.

4. Green tea lowers blood and cholesterol.

Green tea contains tannic acid, which can effectively inhibit the rise of blood pressure and also play a role in lowering blood pressure; Moreover, tannic acid helps to eliminate cholesterol in blood, control the evolution speed of arteriosclerosis, and prevent diseases such as cerebral thrombosis and myocardial infarction. It should be noted that green tea is cool, so women should drink it carefully during menstruation to avoid inducing or aggravating menstrual syndrome; Green tea will reduce the body's absorption of iron, and people with iron deficiency anemia had better not drink green tea.

5, drink green tea to lose weight precautions

Drinking green tea after meals helps to relieve boredom and reduce fat. It should be noted that the water temperature should be controlled well when brewing, and it should not be too high or too cold. Too high water temperature is easy to destroy the healthy components in tea. The soaking temperature of tea is about 80℃, and that of green tea powder is 60℃. If you want to lose weight, don't mix sugar and other ingredients. In addition, green tea is cool and contains caffeine, which is more likely to hurt the stomach and avoid drinking on an empty stomach. In order to avoid insomnia, try not to drink green tea before going to bed.

6, drink black tea to lose weight precautions

It is best to drink black tea in the morning, which can not only warm the body, but also improve the metabolism of the body. A cup of black tea a day is enough. People with bad stomachs should pay attention to proper amount, and it is better to drink ginger juice or Jiang Mo to lose weight. However, people with weak stomach and hot constitution should drink carefully to avoid hurting their stomachs.

7. Recommended drinking methods of black tea

1. Milk black tea

Ingredients: 3g of black tea, 0g of milk100g, 2g of salt.

Practice: put the black tea into the pot and add water for 5 minutes; Filter out the red tea leaves and boil the milk in another pot; Boil the milk, add the tea juice, add salt and stir.

2. Ginger black tea

Ingredients: a bag of black tea, five slices of peeled ginger, and appropriate amount of honey.

Practice: put the black tea bag and ginger together in a cup and brew with water above 90 degrees; Add honey when it is slightly warm (optional).

3. Lemon black tea

Ingredients: black tea, lemon

Practice: first pickle the lemon, wash the lemon and slice it, and put a layer of sugar in the bowl first; Put the lemons on the sugar one by one, then put a layer of white sugar and lemons, finally seal them with plastic wrap, and put them in the refrigerator for two days and two nights; Brew two packs of black tea with boiling water, put a few slices of lemon while it is hot, and leave it for a while.