Floramanoside C shows 2,2-diphenyl-1-picrylhydrazyl scavenging and aldose reductase inhibitory activities[1].
References
[1] Yi Zhang, et al. Antioxidative flavonol glycosides from the flowers of Abelmouschus manihot. J Nat Med. 2013 Jan;67(1):78-85. DOI:10.1007/s11418-012-0651-1