Abstract

Abstract Three new acetylated and one known kaempferol glycosides have been isolated from the rhizomes of Zingiber zerumbet and their structures determined to be the 3- O -(2- O -acetyl-α- l -rhamnopyranoside), 3- O -(3- O -acetyl-α- l -rhamnopyranoside), 3- O -(4- O -acetyl-α- l -rhamnopyranoside) and 3- O -α- l -rhamnopyranoside on the basis of spectroscopic methods.

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