The effect of drinking black tea in summer can quench thirst and relieve summer heat, because polyphenols, sugars, amino acids and pectin in tea react with saliva, which stimulates saliva secretion and makes the mouth feel moist and cool. At the same time, caffeine controls the temperature center of hypothalamus and regulates body temperature. It also stimulates the kidneys to promote the excretion of heat and dirt and maintain the physiological balance in the body.
Black tea is a kind of warm tea. If you drink it slowly while it is hot, you can warm your stomach and body. What about this kind of tea? Heat? Our tea is not suitable for people with bad breath, people who are prone to acne and people with red eyes. Drinking black tea in summer is not suitable for cold drinks, which will affect the effect of warming and protecting the stomach, so be sure to drink it hot or warm.
What kind of tea can relieve summer heat? Mint herbal tea, 6 grams of mint leaves and 6 grams of licorice, add 1000 ml of water, boil for 5 minutes, add sugar and stir well. This herbal tea is refreshing, appetizing and cool. It is suitable for people with poor appetite and mental workers in summer, but it is forbidden for those who are afraid of sweating. Baihua herbal tea, take wild chrysanthemum 10g, lotus 10g and jasmine 3g, wash and brew with boiling water, cover with soaking 10min, and drink after cooling. This kind of tea can dispel summer heat, cool and reduce fever. People with deficiency-cold constitution and weak spleen and stomach had better not drink it, otherwise it will cause diarrhea.
Winter melon tea, according to Compendium of Materia Medica, tastes sweet and cool, and has the effects of diuresis and detumescence, clearing away heat and toxic materials, clearing stomach and reducing fire. Very suitable for "tonic" in summer, which can induce diuresis and clear heat. For slimming people who love beauty, it is a good summer weight loss product. Some people's skin is prone to acne in summer. Drinking a bowl of winter melon porridge every day in summer can prevent blisters on the skin. You can buy fresh winter melon at home, wash it, remove seeds, cut it into pieces, stew it in water until it is soft and rotten, you can drink it directly, or you can mash it with a blender and filter it, and add a little sugar, which is the original winter melon tea, which will not get fat.
Precautions for drinking tea in summer Avoid drinking strong tea.
Tea can generally stay in the human body for about 3 hours, while strong tea stays longer, which makes theophylline accumulate too much in the human body and leads to neurological disorders. Due to the effect of tannic acid in tea, the function of mucus secretion of intestinal mucosa can be reduced, resulting in constipation. The amount of tea is generally 5~ 10 g per day, and it is appropriate to soak it twice.
Avoid drinking tea on an empty stomach.
The ancients once said? A cup of tea earlier is better than a robber from a poor family? It is not advisable to drink tea on an empty stomach in the morning. Because drinking tea on an empty stomach will dilute gastric juice, reduce the function of gastric acid, hinder digestion, affect the absorption of protein, and easily cause gastric mucosal inflammation.
Avoid drinking overnight tea.
If tea leaves are kept for a long time, they will not only lose nutrients such as vitamins, but also be prone to rancidity and deterioration. Even the tannic acid in tea will become a very irritating oxide, which is easy to hurt the spleen and stomach, especially in summer, which will cause gastrointestinal inflammation.
Avoid drinking tea before bed.
It is best not to drink tea two hours before going to bed, otherwise it will make you too excited and affect your sleep, and even cause insomnia. Drinking tea before going to bed in the elderly can easily lead to anxiety and polyuria, which will also affect sleep. If insomnia is caused by drinking tea, it is useless to use sleeping pills.