STUDIES ON THE IMPACT OF MEDICINAL PLANTS IN RELATION TO MALARIA VECTOR CONTROL AGAINST ANOPHELES STEPHENSI
Journal Title: Innoriginal: International Journal Of Sciences - Year 2018, Vol 5, Issue 3
Abstract
Objective: The present study phytochemical screening and mosquitocidal activity of three different medicinal plants, Sesamumindicum, Pungamiapinnata, and Crotonbonplandionumextracts. The methanol extract of leaf samples were used for the phytochemical analysis to find out the phytochemical constituents in the plants. The main objective of the research work was check the presence or absence of the phytochemical chemicals in all the selected medicinal plants. Methods: Phytochemical analysis of these plants confirm the presence of various phytochemicals like alkaloids, flavonoids, saponins, steroids, tannins, terpenoids, tri-terpenoids, anthraquinones, amino acid, phenol, glycosides, carbohydrate, protein and phytosteroids. Twenty five early third instar larvae of An. stephensiwere exposed to various concentrations (50-250ppm) and the 24 h LC50 values of the S.indicum, P. pinnata, and C.bonplandionumextract was determined by probit analysis.The repellent activity of three medicinal plant extracts at concentration of 1.0, 2.0 and 4.0 mg/cm2 tested against adult female mosquitoes. Results: The highest larvicidal activity of S. indicum methanol extract with LC50/LC95 values were 108.55/230.57 ppm, followed by P. pinnata were 143.59/305.52 ppm, andC. bonplandionum were 154.51/319.01 ppm, respectively. Further, maximum repellent activity of methanol extract showing 100% protection up to 160 min was tested against An. stephensi. Conclusion: However, much scope for further systematic research in screening Tamilnadu medicinal plants for these phytochemicals and assessing their potential in protecting against different types of mosquito diseases.
Authors and Affiliations
BARANITHARAN M, DHANASEKARAN S, MUTHULINGAM M, SENTHILMURUGAN S, JEYASANKAR A, BARBARA SAWICKA
Keywords
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