Stigmasterol glucoside is a sterol isolated from P. urinaria with high antioxidant and anti-inflammatory activities[1], act as an inhibitor of 5α-reductase with an IC50 of 27.2 µM[2]. IC50:27.2 µM (5α-reductase)[2]
[1]. Musarat Amina, et al. Sequential injection-chemiluminescence evaluation of stigmasterol glucoside and luteolin via green synthesis of silver nanoparticles using biomass of plectranthus asirensis. 2018, Nov 09, 11(4): 523-533. [2]. Kamei H, et al. Screening of Euphorbiaceae Plant Extracts for Anti-5α-reductase. Biol Pharm Bull. 2018;41(8):1307-1310.