Yerba maté - Wikipedia, the free encyclopedia
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Yerba mate or yerba-mate (Br.) (Spanish: , Portuguese: ), Ilex paraguariensis , is a species of holly (family Aquifoliaceae) native to subtropical South America in northeastern Argentina, eas...
en.wikipedia.org/wiki/Yerba_maté
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Xanthine - Wikipedia, the free encyclopedia
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Xanthine (pronounced /ˈzænθiːn, ˈzænθaɪn]/ ), (3,7-dihydro-purine-2,6-dione), is a purine base found in most human body tissues and fluids and in other organisms. A number of mild stimulants ar...
en.wikipedia.org/wiki/Xanthine
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Xanthines include caffeine, theophylline (a toxic alkaloid found in tea leaves), and theobromine (a toxic alkaloid found in cocoa). ... The simplest of this class of compounds, forming yellowish-white crystals. It is produced in the body as an intermediate stage in the breakdown of purines to uric acid. It is also found...
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dictionary.reference.com/browse/xanthine
dictionary.reference.com/browse/xanthine
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Xanthines, such as caffeine, are closely related alkaloids that occur in plants throughout the world. Xanthines are closely related both chemically and The spectrum of xanthine usage ranges from very serious abuse to abstention or the occasional consumption of chocolate and cocoa products, coffee, cola drinks, or tea.
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byustudies.byu.edu/showTitle.aspx?title=5438
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Study of catechin and xanthine tea profiles as geographical tracers. ... The contents of gallic acid, epigallocatechin gallate, epigallocatechin, epicatechin, epicatechin gallate, catechin, caffeine, theophylline, and theobromine were determined in a set of 45 tea samples, including fermented (black and red) and...
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www.ncbi.nlm.nih.gov/pubmed/11902920
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Metabolism of xanthine and hypoxanthine in the tea plant (Thea sinensis L.). ... 1. The metabolism of xanthine and hypoxanthine in excised shoot tips of tea was studied with micromolar amounts of [2(-14)C]xanthine or [8(-14)C]hypoxanthine. Almost all of the radioactive compounds supplied were utilized by tea shoot tips by 30...
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www.ncbi.nlm.nih.gov/pubmed/1147906
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widespread consumption of tea and coffee beverages is the most common mode of consumption. Frequently, they are added ... pharmacology of xanthines: The mechanism of action of xanthines is not fully understood but thought to involve several factors including adenosine receptor antagonism, modulation of intracellular calcium,
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www.home.caregroup.org/clinical/altmed/interactions/Her...
www.home.caregroup.org/clinical/altmed/interactions/Herb_Groups/Xanthines.htm
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Antioxidant properties and stimulating effects of green tea are related to its content of cathechins and xanthines; tea quality evaluation is based on organoleptic tests and on the presence of those components. In this work, by a MEKC method, eight cathechins and three xanthines were quantified in some tea-based beverages.
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pubs.acs.org/cgi-bin/abstract.cgi/jafcau/2003/51/i05/ab...
pubs.acs.org/cgi-bin/abstract.cgi/jafcau/2003/51/i05/abs/jf020907b.html
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Coffee, Tea, Mate, Methylxanthines and Methylglyoxal (Paperback) ... Reports the deliberations of a working group convened to evaluate the strength of evidence linking the drinking of coffee tea and mate to the development of human cancer. Separate evaluations are also provided for caffeine theophylline theobromine and ;
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www.buy.com/prod/coffee-tea-mate-methylxanthines-and-me...
www.buy.com/prod/coffee-tea-mate-methylxanthines-and-methylglyoxal/q/loc/106/204818700.html
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