Tea and human health: biomedical functions of tea active components and current issues
نویسندگان
چکیده
منابع مشابه
effect of seed priming and irrigation regimes on yield,yield components and quality of safflowers cultivars
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Tea catechins and polyphenols: health effects, metabolism, and antioxidant functions.
Increasing interest in the health benefits of tea has led to the inclusion of tea extracts in dietary supplements and functional foods. However, epidemiologic evidence regarding the effects of tea consumption on cancer and cardiovascular disease risk is conflicting. While tea contains a number of bioactive chemicals, it is particularly rich in catechins, of which epigallocatechin gallate (EGCG)...
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Levels of essential elements with antioxidant activity, as well as catechins, gallic acid, and caffeine levels, in a total of 45 samples of different teas commercialized in Spain have been evaluated. Chromium, manganese, selenium, and zinc were determined in the samples mineralized with HNO(3) and V(2)O(5), using ETAAS as the analytical technique. The reliability of the procedure was checked by...
متن کاملCancer prevention by tea and tea polyphenols.
The inhibition of tumorigenesis by tea extracts and tea polyphenols has been demonstrated in different animal models, including those for cancer of the skin, lung, oral cavity, esophagus, stomach, small intestine, colon, bladder, liver, pancrease, prostate, and mammary glands. Caffeine is also active in inhibition of tumorigenesis on the skin, lung, and perhaps other organs. In spite of many in...
متن کاملHealth benefits of black tea
_____________________________________________________________________________________________ Tea is the most common beverage in the world. It is consumed mostly as green tea, oolong, or black tea. Depending on the manufacturing process, different varieties of tea can be produced. As tea is one of the most popular beverages, it could be a tremendously important source of polyphenolic constituen...
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ژورنال
عنوان ژورنال: Journal of Zhejiang University-SCIENCE B
سال: 2015
ISSN: 1673-1581,1862-1783
DOI: 10.1631/jzus.b1500001