RESEARCH ARTICLE |
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Year : 2013 | Volume
: 2
| Issue : 2 | Page : 165-170 |
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Chemical composition and general toxicity of essential oil extracted from the stalks and flowers of Rheum Ribes L. growing in Iran
Mohammad-Reza Nikbakht1, Solmaz Esnaashari2, Fariba Heshmati Afshar3
1 Novel Drug Delivery Research Center, School of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, I.R. Iran 2 Drug Applied Research Centre, Tabriz University of Medical Sciences, Tabriz, I.R. Iran 3 Medical Philosophy and History Research Center and Faculty of Traditional Medicine, Tabriz University of Medical Sciences, Tabriz, I.R. Iran
Correspondence Address:
Fariba Heshmati Afshar Medical Philosophy and History Research Center and Faculty of Traditional Medicine, Tabriz University of Medical Sciences, Tabriz I.R. Iran
 Source of Support: None, Conflict of Interest: None  | Check |

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The essential oil of Rheum ribes L. stalks and flowers, growing in Iran, were extracted with hydro-distillation and analyzed by GC-MS. Thirty constituents representing 93.84% of Rheum oil were identified. The oil was found to be rich in hydrocarbons especially long-chain n-alkanes (80.81%). The most abundant components in the oil included tricosane (26.29%), heneicosane (26.07%), pentacosane (10.63%), heptacosane (10.37%) and palmitic acid (3.64%). The essential oil was also evaluated for general toxicity bioassay using brine shrimp lethality method. The toxicity profile of the oil indicated some degree of toxicity in comparison with podophyllotoxin.
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