Literature summary extracted from

Dew, T.P.; Day, A.J.; Morgan, M.R.
Xanthine oxidase activity in vitro: effects of food extracts and components (2005), J. Agric. Food Chem., 53, 6510-6515.

Activating Compound

EC Number	Activating Compound	Comment	Organism	Structure
1.17.3.2	additional information	study on the effect of food extracts on enzyme activity in vitro. Orange juice and pink grapefruit juice are activating	Bos taurus

Inhibitors

EC Number	Inhibitors	Comment	Organism	Structure
1.17.3.2	allopurinol	-	Bos taurus
1.17.3.2	hesperetin	50% inhibition at 0.039 mM	Bos taurus
1.17.3.2	additional information	study on the effect of food extracts on enzyme activity in vitro. Extract of black tea, extract of rooibus herbal tea, purple grape juice, extract of clove, and cranberry juice are inhibitory	Bos taurus
1.17.3.2	theaflavin-3,3'-di-O-gallate	50% inhibition at 0.049 mM	Bos taurus

Organism

EC Number	Organism	UniProt	Comment	Textmining
1.17.3.2	Bos taurus	-	commercial preparation	-

Source Tissue

EC Number	Source Tissue	Comment	Organism	Textmining
1.17.3.2	milk	grade I from buttermilk	Bos taurus	-

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Release 2023.1 (January 2023)