Doubly linked, A-type proanthocyanidin trimer and other constituents of Ixora coccinea leaves and their antioxidant and antibacterial properties

The leaves of Ixora coccinea yielded the unusual proanthocyanidin trimer epicatechin procyanidin A2, cinnamtannin B-1, and several rhamnosides of quercetin and kaempferol.