摘要A new triterpenoid,11α-O-trans-p-coumaroyltaraxerol(1),along with 11 known triterpenoids,taraxerone(2),taraxerol (3),2α,3β,23,24-tetrahydroxyolean-12-en-28-oic acid(4),oleanolic acid(5),β-amyrin (6),3β,23-dihydroxylursan-12-en-28-oic acid(7),2α,3β-dihydroxyursan-12-en-28-oic acid (8),2α,3β,23-trihydroxyursan-12-en-28-oic acid(9),2α,3β,24-trihydroxyursan-12-en-28-oic acid(10),ursolic acid(11),and 3-O-acetylursolic acid(12),was Isolated from Craibiodendron henryi W.W.Smith (Ericaceae).The structures of these compounds were elucidated on the basis of spectral evidence.Antioxidant activity and vasodilator effect of compound 1 were assessed.
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