a.1.Of or pertaining to catechu or its derivatives. See catechin.
References in periodicals archive ?
Nadkarni Km described that extract obtained from bark, wood, flowering tops and gum contains tannic acid 35%, catechuic acid or catechin, catechu red, tannin gum, guercetin and ash.
Bently R and Trimen H reported that it contains catecgin, catechuic acid, catechutannic acid and guercetin.