BIOLOGICAL SCREENING OF ARAUCARIA COLUMNARIS
Journal Title: International Journal of Pharmacy and Pharmaceutical Sciences - Year 2015, Vol 7, Issue 4
Abstract
Objective: The present research is biological screening of aerial part of Araucaria columnaris (Araucariaceae). There were investigation for their antibacterial, antifungal, phytotoxic and cytotoxic activities of Dichloromethane and methanol extract.Methods: Anti-bacterial, Anti-fungal, cytotoxicity and phytotoxicity activity was performed by Disc diffusion method, Agar tube dilution assay, Brine Shrimp Lethality bioassay and Lemna bioassay respectively.Results: Dichloromethane and methanolic extract exhibited significant phytotoxicity against Lemna minor having Paraquat as standard drug and incubation condition (28±1 °C). None of extracts presented any significant antibacterial and cytotoxic activity having Imipenum and Etoposide as standard drug respectively. Both extract had non-significant antifungal activity but it has been noted that MeOH and DCM extract of Araucaria columnaris showed 10% and 20% inhibition with linear growth at 90 mm and 80 mm respectively, when compared with control; against Fusarium solani and Aspergillus flavus respectively.Conclusion: Araucaria columnaris exhibited significant phytotoxicity bioassay. The phytotoxicty assay is a useful primary screen for weedicide research. Synthetic weedicides are expensive, toxic and non-specific. This study will help to discover the phytotoxic constituents of the plant by isolation, purification and structure elucidation to find out as effective herbicidal.Â
Authors and Affiliations
Muhammad Shahzad Aslam, Bashir A. Choudhary, Abdul Subhan Ijaz, Mmuhammad Uzair, Muhammad Syarhabil Ahmad, Awang Soh Mamat
Keywords
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