Several crystalline compounds isolated from Elsholtzia herb (plant, Elsholtzia ciliata (THUNB.) HYLANDER in China) were triterpenoids, steroids, and flavonoids. Their structures were identified as 9-sitosterol, β-sitosterol βglucoside, ursolic acid, 2 α-hydroxyursolic acid, tormentic acid, negletein, apigenin, and luteolin by the comparison of spectroscopic data with those of the authentic samples.
No takes yet. Share an insight, caveat, or question.
Isobe et al. (1992) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: