Abstarcts
Repeated chromatography of the n-hexane-soluble fraction of the MeOH extract of the rhizomes of Zingiber zerumbet led to the isolation of two isomers of 6-methoxy-2E,9E-humuladien-8-one (1 and2) and stigmast-4-en-3-one. The structures of1 and2 were determined by spectroscopic methods including 1D and 2D-NMR elucidated by analysis of spectroscopic data as well as by comparison with published values. This is the first report on the isolation of compounds1 and2 from the nature. Stigmast-4-en-3-one was first isolated from this plant.
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Jang, D.S., Seo, EK. Potentially bioactive two new natural sesquiterpenoids from the rhizomes ofZingiber zerumbet . Arch Pharm Res 28, 294–296 (2005). https://doi.org/10.1007/BF02977795
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DOI: https://doi.org/10.1007/BF02977795