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catechina
epicatechin

== propiedades =="u. guianensis" contiene muchos principios activos como ((-)-catechina, alcaloides, beta-sitosterol, campesterol, kaempferol, catecol, catechu, chlorogenic acid, ácido elágico, ácido gálico, hyperoside, ácido oleanólico, rutina, stigmasterol, ácido ursolico) and proanthocyanidin b1 and proanthocyanidina b2, en la raíz.
"u. guianensis" contains many phytochemicals ((-)-epicatechin, alkaloid, beta-sitosterol, campesterol, campherol, catechol, catechutannic acid, chlorogenic acid, ellagic acid, gallic acid, hyperin, oleanolic acid, rutin, stigmasterol, ursolic acid) and proanthocyanidin b1 and proanthocyanidin b2, b type proanthocyanidins, in the root.