Lirinidine ((+)-Lirinidine) is an alkaloid isolated from the leaves of L. tulipifera and has antioxidant and anticancer activities. Lirinidine exhibits medium ferric reducing power activity and minor radical scavenging activity in vitro. Lirinidine can be used for cosmetic research[1].
[1]. Ya-Fei Kang, et al. Antioxidant and anticancer constituents from the leaves of Liriodendron tulipifera. Molecules. 2014 Apr 3;19(4):4234-45.