Ilexsaponin B2 is a saponin isolated from the root of Ilex pubescens Hook. et Arn. Ilexsaponin B2 is a potent phosphodiesterase 5 (PDE5) and PDEI inhibitor with IC50 values of 48.8 μM and 477.5 μM, respectively[1].
[1]. Zichen Liu, et al. Rapid Screening of Potential Phosphodiesterase Inhibitors From the Roots of Ilex pubescens Hook. Et Arn. Using a Combination of Ultrafiltration and LC-MS. Evid Based Complement Alternat Med. 2017;2017:2749643.
















