Tea Blogs

Drinking Tea v.s. Stomach Issues

Drinking Tea v.s. Stomach Issues

Have you ever thought that if drinking tea hurt my stomach? Nutritionist dispels doubts: not a thing! It depends on the "oxidization degree" of the teas. "Tea" has the effect of refreshing and getting rid of greasy, which is the favorite of many people, but some people worry about drinking tea being harmful to the stomach. The nutritionist said that in fact, it depends on the oxidization degree of the teas which are roughly divided into unoxidized green tea, semi-oxidized oolong tea, and fully oxidized black tea. Nutritionist Tsai Yusi said that the higher the degree of tea oxidization, the less...

Read more →


Is tea your daily drink instead of water?

Is tea your daily drink instead of water?

We all know about drinking tea is good for our health, with no doubt. Long-term drinking tea without regularly drinking water may result in the following sufferings: 1. Cause constipation Tea contains tannic acid and theophylline. Excessive tannin reduces the secretion of the small intestine, inhibits the peristalsis of the intestine, and causes the gastrointestinal motility to deteriorate. According to a study in "British Medical Journal 1981", excessive theophylline causes dehydration of extracellular fluid, increases renal pelvic filtration rate, and reduces renal tubular resorption, ultimately leads to constipation problems. In addition, besides theophylline and tannic acid, tea also contains caffeine with...

Read more →


Caffeine contained in teas

Caffeine contained in teas

Chen, Yo Ren (the former chief of TRES) pointed out that the caffeine content in tea is related to the tea varieties, the tenderness of tea leaves, and the tea processing. For example, the caffeine content in Bergamot cultivar and Wuyi cultivar is less, while in Assam cultivar, Qingxing Oolong cultivar and Qingxing Dapon cultivar is slightly higher; in addition, the tender the tea leaves are, the more the caffeine contained. On the contrary, while the raw materials are the same, the degree of fermentation has little effect on the content of caffeine in tea. The most critical factor affecting caffeine...

Read more →


Tea Oxidization (Oolong Teas)

Tea Oxidization (Oolong Teas)

Have you ever had this experience while you’re buying teas at a tea shop? Q: How many percents did the tea oxidized? Possible answers from tea sellers or tea masters: It’s lightly oxidized about 15%. It’s a little bit higher, more than 20% oxidized.   Here’s the point, no matter how many percents it was oxidized, what we intend to understand is: How to distinguish 15%~20% oxidization? Or lower/higher oxidization?   How to define the percentage is the major difficulty in the tea making process. Why is the color of the tea liquor so green? Why is the color of...

Read more →


Tea’s effects on prevention and health care

Tea’s effects on prevention and health care

Anti-aging effect: Tea tannin and vitamin P have anti-lipid peroxidation. Vitamin C and P in tea complement each other, which has a certain auxiliary effect on anti-aging. During tea drinking, it can reduce the amount of vitamin C discharged through the urine. Anti-cancer effect: Oolong tea can reduce the rate of cancer induction, while green tea can significantly control the evoked effects of lung cancer. Effect on immune function: Oolong tea, flower tea, and green tea have the functions of enhancing immunity. Prevention of cardiovascular disease: Tea can enhance the resistance of the patient's capillaries (reduced brittleness). Oolong tea can...

Read more →