Chemical constituents from Mahkota dewa.

A new phenolic glycoside (1), mahkoside A, together with six known compounds including mangiferin (2), kaempferol-3-O-beta-D-glucoside (3), dodecanoic acid (4), palmitic acid (5) ethyl stearate (6) and sucrose (7), were isolated from the pit of Mahkota dewa. Their structures were identified on the basis of spectroscopic analysis. All the compounds were isolated from the title plant for the first time.