REPELLENT ACTIVITY AND PHYTOCHEMICAL SCREENING OF FRUIT EXTRACTS TAMARINDUS INDICA L. AGAINST CULEX QUINQUE FASIATUS
Afrin Jumana A., Annapoorani C. A.* and Divyabarathi M.
ABSTRACT
Mosquitoes are the major cause for many diseases because of blood feeding mode of life style to living being worldwide. Which bites painful, irritate, swelling, major nuisance and causing sleepless nights. The adult females of Culex quinquefasciatus is a persistent biters and it emerges at evening dark prefers to attack at shadows, because they need blood for nutrients. The fruit and leaf extract of T. indica L. have higher repellent efficacy against the vector C. quinquefasciatus. These extracts will provide further clarity about the nature of these bioactive compounds which could become an alternative to the conventional insecticides used for repelling annoying mosquito species. The results showed that the ethanolic extract of fruit pulp of T. indica L. is found to be effective against C. quinquefasciatus and 100% protection time till 90 minutes at the concentration of 1.0, 2.5 and 5.0 mg/cm2followed by petroleum ether extract showed maximum repellency at 5.0 concentrations and it showed 99.33% in the first 30 minutes.
Keywords: Culex Quinquefasciatus, Repellent Efficacy, Tamarindus Indica.
[Full Text Article]
[Download Certificate]
Impact Factor : 8.181 
