Fustin

Description

A natural yellow colorant found in young fustic. Fustin is extracted from the wood of some Sumac trees (Cotinus coggygria and Rhus succedanea). It is the principal component in haji, a traditional Japanese yellow colorant.

Synonyms and Related Terms

dihydrofisetin; 3,3'4',7-tetrahydroxyflavanone ; haji

Composition	C15H12O6
Melting Point	226-229
Molecular Weight	mol. wt. = 288.25

Authority

• The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 4341

• R.Feller, M.Curran, C.Bailie, 'Identification of Traditional Organic Colorants Employed in Japanese Prints and Determination of their Rates of Fading', Japanese Woodblock Prints, Allen Memorial Art Museum, Oberlin College, Oberlin, 1984