Abstract

Abstract One new sesquiterpene compound, namely, illihenlactone A ( 1 ), and one new prenylated C 6 –C 3 compound, illihenryione H ( 2 ), along with three known sesquiterpenes ( 3–5 ) were isolated from the stems of Illicium henryi . The structures of 1 and 2 were elucidated by spectroscopic evidence including NMR, HRESIMS and circular dichroism (CD). Compound 2 exhibited a weak inhibitory ratio for β -glucuronidase release induced by platelet-activating factor (PAF) in rat polymorphonuclear leukocytes (PMNs) in vitro .

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