triterpene glycoside/hypoxia

Six new 9,19-cycloartane triterpene glycosides, heracleifolinosides A-F (1-6), and one new chromone, norkhelloside (7), were isolated from the rhizome of Cimicifuga heracleifolia, together with 15 known compounds (8-22). The structures of the new compounds were elucidated by means of spectroscopic

Cancer is the second leading cause of death worldwide. Many dietary plant products show promising anticancer effects. Bitter melon or bitter gourd (Momordica charantia) is a nutrient-rich medicinal plant cultivated in tropical and subtropical regions of many countries. Traditionally, bitter