Antioxidant and antibacterial effects of a new macrocyclic bis(bibenzyl) ether from (Combretaceae).

A new compound, combrebisbibenzyl () as well as two sterols including stigmasterol () and 3---D-glucopyranoside of -sitosterol () and seven triterpenoids namely mollic acid (), oleanolic acid (), ursolic acid (), arjunglucoside I (, arjungenin (), bellericagenin B () and combregenin () were isolated from the root of . Compounds , and AcOEt and MeOH extracts exhibited moderate antioxidant activity with an IC value of 179.32, 185.