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xanthin

American  
[zan-thin] / ˈzæn θɪn /

noun

  1. the part of the coloring matter in yellow flowers that is insoluble in water.

  2. a yellow coloring matter in madder.


xanthin British  
/ ˈzænθɪn /

noun

  1. any of a group of yellow or orange carotene derivatives that occur in the fruit and flowers of certain plants

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of xanthin

1830–40; < French xanthine or < German Xanthin. See xantho-, -in 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The chief of these products are adenin, guanin, hypoxanthin, xanthin, and uric acid.

From Dietetics for Nurses by Proudfit, Fairfax T.

Leucin, tyrosin, lithic acid, lithates, xanthin, cystin, keratin, sulphureted hydrogen, etc., are deposits in the urine and are signs of the derangement of the intestinal canal and liver.

From Intestinal Ills Chronic Constipation, Indigestion, Autogenetic Poisons, Diarrhea, Piles, Etc. Also Auto-Infection, Auto-Intoxication, Anemia, Emaciation, Etc. Due to Proctitis and Colitis by Jamison, Alcinous B. (Alcinous Burton)

But in opposition to these views Dr. Haig thinks that as the outer brown husk of all cereals contains some xanthin, it should on this account be removed.

From No Animal Food and Nutrition and Diet with Vegetable Recipes by Wheldon, Rupert H.

When thus taxed all other toxic substances including uric acid and the xanthin bodies pass through the liver unoxidized to appear in the urine.

From Alcohol: A Dangerous and Unnecessary Medicine, How and Why What Medical Writers Say by Allen, Martha Meir

The principal purins are hypoxanthin, xanthin, uric acid, guanin, adenin, caffeine and theobromine.

From The Chemistry of Food and Nutrition by Duncan, A. W.