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Tea Blogs

Timing of Drinking Tea V.S. Iron Absorption

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Tea lovers are usually afraid of iron deficiency. Don't worry too much if you drink tea at the right time! Some ingredients in tea hinder the absorption of iron. Therefore, the medical profession recommends not to drink tea less than 1 hour before or after meals. The latest research approved that drinking tea 1 hour later by meals can greatly reduce doubts that hinder iron absorption.  What is the absorption rate of iron if with tea and with boiling water? Research revealed the truth. The American Journal of Clinical Nutrition published a new study. The University of Chester's research team invited...

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Drinking Tea v.s. Stomach Issues

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Do you concern about drinking tea harming your body while you're having a stomachache?

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Is tea your daily drink instead of water?

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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...

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Caffeine contained in teas

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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...

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Tea Oxidization (Oolong Teas)

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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 the tea...

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