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Publication Type : Journal Article
Publisher : Anc Sci Life
Source : Anc Sci Life, Volume 34, Issue 3, p.175-8 (2015)
Campus : Kochi
School : School of Pharmacy
Department : Pharmaceutical Chemistry & Analysis
Year : 2015
Abstract : CONTEXT: Pennisetum alopecuroides (Poaceae) is a grass predominantly distributed in tropics and sub tropics. It is used as a cattle feed in many regions. AIM: The objective of the present study was to investigate the in vitro free radical scavenging and antiproliferative activity of ethanol extract of P. alopecuroides (EEPA) on cultured A549 human lung cancer cell lines. SETTINGS AND DESIGN: The anti-oxidant activity of ethanol extract was evaluated at dose level 12.5, 25, 50, 100, and 200 μg/ml. The in vitro antiproliferative activity was measured at doses of 10, 50, and 100 μg/ml. MATERIALS AND METHODS: The free radical scavenging activity of the EEPA was determined by 2,2-Diphenyl-1-picrylhydrazyl (DPPH) method and in vitro antiproliferative activity on A549 human lung cancer cells was conducted by using MTT assay method. RESULTS: The phytochemical screening revealed that the P. alopecuroides contained alkaloids, tannins, saponins, and flavonoids as the major secondary metabolites. The IC50 value of DPPH scavenging activity was found to be 44.41 μg/ml and 31.02 μg/ml for a mixture of EEPA and standard ascorbic acid, respectively. In vitro MTT assay showed that EEPA had anti-proliferation effects on A549 cells in a dose dependent manner. CONCLUSIONS: This is the 1(st) time a pharmacological exploration of P. alopecuroides grasses has been conducted. We have shown that P. alopecuroides exhibits good free radical scavenging and strong in vitro cytotoxic activities against human lung cancer cell lines.
Cite this Research Publication : G. Elizabeth Mathew, Bijo Mathew, Gokul, S., Krishna, R., and Farisa, M. P., “Determination of in vitro free radical scavenging and antiproliferative effect of Pennisetum alopecuroides on cultured A549 human lung cancer cells.”, Anc Sci Life, vol. 34, no. 3, pp. 175-8, 2015.