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Molecules 2014, 19(3), 3264-3273; doi:10.3390/molecules19033264
Article

Cytotoxic Quinones from the Roots of Aloe dawei

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Received: 24 January 2014 / Revised: 5 March 2014 / Accepted: 10 March 2014 / Published: 17 March 2014
(This article belongs to the Section Metabolites)
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Abstract

Seven naphthoquinones and nine anthraquinones were isolated from the roots of Aloe dawei by chromatographic separation. The purified metabolites were identified by NMR and MS analyses. Out of the sixteen quinones, 6-hydroxy-3,5-dimethoxy-2-methyl-1,4-naphthoquinone is a new compound. Two of the isolates, 5,8-dihydroxy-3-methoxy-2-methylnaphthalene-1,4-dione and 1-hydroxy-8-methoxy-3-methylanthraquinone showed high cytotoxic activity (IC50 1.15 and 4.85 µM) on MCF-7 breast cancer cells, whereas the others showed moderate to low cytotoxic activity against MDA-MB-231 (ER Negative) and MCF-7 (ER Positive) cancer cells.
Keywords: Aloe dawei; Asphodelaceae; naphthoquinone; anthraquinone; 6-hydroxy-3,5-dimethoxy-2-methyl-1,4-naphthoquinone; cytotoxicity; MCF-7 Aloe dawei; Asphodelaceae; naphthoquinone; anthraquinone; 6-hydroxy-3,5-dimethoxy-2-methyl-1,4-naphthoquinone; cytotoxicity; MCF-7
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Abdissa, N.; Induli, M.; Fitzpatrick, P.; Alao, J.P.; Sunnerhagen, P.; Landberg, G.; Yenesew, A.; Erdélyi, M. Cytotoxic Quinones from the Roots of Aloe dawei. Molecules 2014, 19, 3264-3273.

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