/Nhu Loan – VTC/
Tea is a simple drink but has many effects in treating and preventing diseases; however, you need to pay attention when you drink it to ensure your health.
According to BSCKII Huynh Tan Vu, Ho Chi Minh City University of Medicine and Pharmacy Hospital (campus 3), green tea leaves (green tea) contain many chemical components, including flavonoids, triterpene saponins, caffeine, tanine, quercetin, essential oils, ascorbic acid (vitamin C), riboflavin (vitamin B), carotene, malic acid, theophylline, xanthin, oxalic acid, kaempferol.
These substances give green tea leaves many effects, such as stopping diarrhea, reducing the risk of cancer, protecting cardiovascular health, anti-aging, maintaining healthy bones and joints, enhancing memory, and protecting the liver. , control blood pressure, prevent diabetes complications, and reduce the risk of inflammatory diseases.
Drinking tea greatly reduces pain caused by arthritis because EGCG prevents cartilage destruction and reduces swelling. Drinking tea regularly also helps limit the development of diabetes and dangerous complications of blood sugar disease.
Catechin in tea increases fat metabolism and makes weight loss safe by combining tea with exercise.
In addition, tea also has anti-toxic and detoxifying effects for the body; tannin compounds will neutralize alkaloid-based toxins such as opium and cognac and neutralize excess iron in the body. Theobromine, theophylline, and potassium salts are strong diuretics, helping the body detoxify.
Tea is a simple drink but has many effects.
According to Oriental medicine, green tea leaves have a bitter, acrid taste and cool properties, attributed to the Liver and Heart meridians. Green tea has diuretic, calming, heat-clearing, thirst-quenching, rice-digesting, and body-cooling effects.
However, you need to pay attention to the time when using green tea so your health is not affected. Green tea is cold, so do not drink it cold because it will cause too much cold and produce phlegm, so drink it hot.
Green tea contains large amounts of caffeine, which can cause dizziness, nausea, and lightheadedness if consumed on an empty stomach. Caffeine in green tea leaves stimulates the central nervous system to increase concentration and brain activity. Therefore, drinking green tea in the evening can cause difficulty sleeping and insomnia.
You must avoid drinking green tea immediately after eating because tannins can reduce iron absorption and nutrients in food. The active ingredient tannin in green tea stops diarrhea, so people with constipation should limit its use.
You should not use tea leaves for people taking blood-thinning medications because they contain vitamin K. You should use green tea early in the morning to keep your mind alert and increase your work and study performance.