Find the word definition

Wiktionary
mangiferin

n. (context biochemistry English) The glycoside ''2-β-D-glucopyranosyl-1,3,6,7-tetrahydroxyxanthen-9-one'' that has some use as an antioxidant. It is a glucoside of norathyriol.

Wikipedia
Mangiferin

Mangiferin is a xanthonoid. This molecule is a glucoside of norathyriol.