Isosaponarin is a flavone glycoside isolated from wasabi leaves. Isosaponarin increases collagen synthesis, caused by up-regulated TGF-β type II receptor (TβR-II) and prolyl 4-hydroxylase (P4H) proteins production[1].
[1]. Masashi Nagai, et al. The effect of isosaponarin isolated from wasabi leaf on collagen synthesis in human fibroblasts and its underlying mechanism. J Nat Med. 2010 Jul;64(3):305-12.
















