INITIAL RESEARCH ON CHEMICAL CONSTITUENTS OF CURCUMA SINGULARIS RHIZOMES
Keywords:Curcuma singularis Gagnep., Zingiberaceae, rhizomes, terpenoid, labdadien, butanediol, benzoic acid.
From the rhizomes of Curcuma singularis Gagnep (Zingiberaceae family), six compounds,
including three terpenoids, p-menthane-1,2,4-triol (1), amoxantin A (2), rugosic acid B (3); two
diols, 2,3-butanediol (4) [2R,3R-butanediol (4a) and 2S,3S-butanediol (4b)], and meso-2,3-
butanediol (5), along with 3-hydroxy-4-methoxy benzoic acid (6) were isolated. All of six
compounds were obtained for the first time from the Curcuma genus. The structures of those
compounds were determined by 1D and 2D-NMR spectroscopic data.
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