Main Components of Pu-erh Tea Dry Matter
The chemical composition of Pu-erh tea is similar to that of general tea, but it is characterized by 'three highs and one low' due to the use of Yunnan large-leaf varieties. This refers to high contents of tea polyphenols, alkaloids, and water extracts, and a low content of amino acids. The main com...
Tea News · Feb 02, 2026
Drinking Tieguanyin Tea Does Not Yellow Teeth
Drinking Tieguanyin tea does not inherently cause teeth to yellow. While tea tannins and pigments can stain cups, forming 'tea scale,' natural saliva production, eating, drinking, and regular oral hygiene like brushing and rinsing effectively prevent lasting stains on teeth. In fact, Tieguanyin cont...
Tea News · Jan 01, 2026
Green Tea: Anti-Cancer and Teeth-Cleaning
Green tea offers multiple health benefits. Firstly, it contains tea polyphenols, which have anti-cancer properties, making green tea the top choice among all beverages in this regard. Secondly, it contains fluoride, which helps strengthen teeth, prevent cavities, and eliminate plaque. Thirdly, green...
Tea News · Dec 18, 2025
Can Overnight Tea Be Drunk?
The long-standing myth that overnight tea causes cancer due to secondary amine conversion to nitrosamines lacks scientific basis. Secondary amines are widely present in foods like bread at higher concentrations than in tea. Moreover, tea contains natural inhibitors like tea polyphenols and vitamin C...
Tea News · Nov 22, 2025
Overnight Black Tea Still Has Uses
Contrary to popular belief that overnight tea is undrinkable, properly stored overnight black tea that hasn't spoiled actually offers several practical benefits. While it's true that tea loses most vitamins after prolonged storage and can become breeding ground for bacteria, uncontaminated overnight...
Tea News · Oct 22, 2025
Tea, the "Protective Umbrella" of Human Organs
Scientific research demonstrates that tea serves as a natural protector for human organs, particularly the cardiovascular system. The active compounds in tea, such as tea polyphenols and theaflavins, help maintain vascular elasticity, lower blood pressure, and reduce the risk of heart disease. Studi...
Tea News · Oct 21, 2025
The Nutritional Value of Tea
Tea drinking, as a traditional Chinese culture, is enjoyed by many people during their leisure time. However, how much do you know about the nutritional benefits of tea? Tea is rich in various nutrients, including tea polyphenols, which have anti-aging and anti-radiation effects; amino acids, which...
Tea News · Jul 13, 2025
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