Cytotoxic constituents of Alocasia macrorrhiza

Author:

Elsbaey Marwa1,Ahmed Kadria F.M.2,Elsebai Mahmoud F.2,Zaghloul Ahmed23,Amer Mohamed M.A.2,Lahloub Mohamed-Farid I.2

Affiliation:

1. Pharmacognosy Department , Faculty of Pharmacy, Mansoura University , Mansoura 35516 , Egypt , Phone: +00201005437480, Fax: +02(050)2213101

2. Pharmacognosy Department , Faculty of Pharmacy, Mansoura University , Mansoura 35516 , Egypt

3. Pharmacognosy Department , Faculty of Pharmacy, Salman Bin Abdulaziz University , Riyadh 11451 , Saudi Arabia

Abstract

Abstract An indole alkaloid, 2-(5-hydroxy-1H-indol-3-yl)-2-oxo-acetic acid (1) isolated for the first time from nature, in addition to the nine known compounds 5-hydroxy-1H-indole-3-carboxylic acid methyl ester (2), alocasin B (3), hyrtiosin B (4), α-monopalmitin (5), 1-O-β-D-glucopyranosyl-(2S, 3R, 4E, 8Z)-2-[(2(R)-hydroctadecanoyl) amido]-4,8-octadecadiene-1,3-diol (6), 3-epi-betulinic acid (7), 3-epi-ursolic acid (8), β-sitosterol (9) and β-sitosterol 3-O-β-D-glucoside (10) were isolated from the rhizomes of Alocasia macrorrhiza (Araceae). Their structures were elucidated by 1D and 2D NMR spectroscopic data. Of these compounds, 6 exhibited the strongest cytotoxicity against the four tested human cancer cell lines (IC50 of about 10 µM against Hep-2 larynx cancer cells).

Publisher

Walter de Gruyter GmbH

Subject

General Biochemistry, Genetics and Molecular Biology

Reference25 articles.

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3. Sambamurty AV. Taxonomy of angiosperms. New Delhi: I. K. International Pvt. Ltd, 2005:593.

4. Patil BR, Bamane SH, Khadsare UR. In-vitro protection of hepatocytes by Alocasia macrorrhiza leaf juice against CCl4 and tylenol mediated hepatic injury. Int J Pharmaceut App 2012;2:122–7.

5. Mubeen US, Vimlesh M, Santanu B. Laxative and diuretic property of ethanolic extract of the leaves of Alocasia macrorrhiza Linn. on experimental albino rats. Int Res J Pharm 2012;3:174–6.

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