Antioxidants and Aspergillus niger Antifungal Activity in vitro of Flavonoids Extract from Red-Top Leaves of Cratoxylum prunifolium

Abstract

Cratoxylum prunifolium, commonly referred to as red-top leaf plants, belong to the family of Hypericaceae. In Vietnam, red-top leaves plant consists of 5 species namely Cratoxylum neriifolium, Cratoxylum prunifolium, Cratoxylum harmandii, Cratoxylum polyanthum, Cratoxylum formosum and has primary geographical distributions on the highlands and midland north of Vietnam. This plants have been reported to have components of saponin (taraxeron), tannin and flavonoids (flavonols and catechins) [1]. Natural flavonoids source are commonly found