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xanthine

xanthine A purine, intermediate in the metabolism of adenine and guanine to uric acid. Caffeine (in coffee and tea) is 1,3,7‐trimethylxanthine; theophylline (in tea) is 1,3‐dimethylxanthine; theobromine (in cocoa) is 3,7‐dimethylxanthine.

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"xanthine." A Dictionary of Food and Nutrition. . Encyclopedia.com. 12 Dec. 2017 <http://www.encyclopedia.com>.

"xanthine." A Dictionary of Food and Nutrition. . Encyclopedia.com. (December 12, 2017). http://www.encyclopedia.com/education/dictionaries-thesauruses-pictures-and-press-releases/xanthine

"xanthine." A Dictionary of Food and Nutrition. . Retrieved December 12, 2017 from Encyclopedia.com: http://www.encyclopedia.com/education/dictionaries-thesauruses-pictures-and-press-releases/xanthine

xanthine

xanthine (zanth-een) n. a nitrogenous breakdown product of the purines adenosine and guanine. Xanthine is an intermediate product of the breakdown of nucleic acids to uric acid.

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"xanthine." A Dictionary of Nursing. . Encyclopedia.com. 12 Dec. 2017 <http://www.encyclopedia.com>.

"xanthine." A Dictionary of Nursing. . Encyclopedia.com. (December 12, 2017). http://www.encyclopedia.com/caregiving/dictionaries-thesauruses-pictures-and-press-releases/xanthine

"xanthine." A Dictionary of Nursing. . Retrieved December 12, 2017 from Encyclopedia.com: http://www.encyclopedia.com/caregiving/dictionaries-thesauruses-pictures-and-press-releases/xanthine