Cytotoxic components from the dried rhizomes of Zingiber officinaleRoscoe
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- Kim, J.S., Lee, S.I., Park, H.W. et al. Arch. Pharm. Res. (2008) 31: 415. doi:10.1007/s12272-001-1172-y
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Five compounds were isolated from the chloroform-soluble fraction of the methanolic extract of the dried rhizomes of Zingiber officinale (Zingiberaceae) through repeated column chromatography. Their chemical structures were elucidated as 4-, 6-, 8-, and 10-gingerols, and 6-shogaol using spectroscopic analysis. Among the five isolated compounds, 6-shogaol exhibited the most potent cytotoxicity against human A549, SK-OV-3, SK-MEL-2, and HCT15 tumor cells. 6-shogaol inhibited proliferation of the transgenic mouse ovarian cancer cell lines, C1 (genotype: p53-/-, c-myc, K-ras) and C2 (genotype: p53-/-, c-myc, Akt), with ED50 values of 0.58 μM (C1) and 10.7 μM (C2).