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Journal of Arthropod-Borne Diseases، جلد ۱۸، شماره ۴، صفحات ۱۷۲۷-۱۷۲۷
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عنوان انگلیسی Repellency Effect of Hydro-alcoholic Ricinus communis (Castor) Leaf Extract against Phlebotomus papatasi under Laboratory Conditions
چکیده انگلیسی مقاله Background: The extract of seed and leave of  Ricinus communis (castor plant) is rich in glycerides and fatty acids, including ricin, oleic acid, ‌palmitic acid, ‌linoleic acid and dihydroxy-stearic. This study aimed to evaluate the repellency effect of R. communis leaf extract (castor extract, CE) on Phlebotomus papatasi sand flies and compare its effectiveness with a commercial insect repellent, 10% DEET spray (positive control), under laboratory conditions. Methods: Hydro-alcoholic extract of castor leaves was prepared, and the repellency effect and mortality rates were evaluated at different doses. The study also assessed 10% DEET (positive control) and 50 μl of 70% ethanol (negative control). The modified Wirtz method was applied using the K and D apparatus. Results: The repellency effect of various doses of hydro-alcoholic castor extract (CE) on Ph. papatasi sand flies were evaluated. The ED50 (95% CL) was calculated as 4.17 mg/cm2, and ED90 (95% CL) as 7.9 mg/cm2 after 24 hours of exposure. At 1.6 mg/cm2, the repellency effect of hydro-alcoholic CE was greater than that of 10% DEET. However, DEET exhibited higher repellency than CE at concentrations below than 1.6 mg/cm2 (i.e. 0.1, 0.2, 0.4 and 0.8 mg/cm2). Mortality among sand flies was observed only at high doses (1.6mg/cm2) of hydro-alcoholic CE, with the highest mor­tality rate recorded at 17.7%. Conclusion: This study demonstrated that 10% DEET and hydro-alcoholic castor extract exhibit strong repellency effects against Ph. papatasi sand flies, the primary vector of zoonotic cutaneous leishmaniasis. The findings highlight castor extract's potential as an effective sand fly repellent.
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نویسندگان مقاله | Abbas Aghaei-Afshar
Research Center of Tropical and Infectious Diseases, Kerman University of Medical Sciences, Kerman, Iran


| Leila Shirani-Bidabadi
Research Center of Tropical and Infectious Diseases, Kerman University of Medical Sciences, Kerman, Iran, Department of Vector Biology and Control, Faculty of Public Health, Kerman University of Medical Sciences, Kerman, Iran


| Hedieh Zadeh-Abbasi
Department of Agricultural Biotechnology, Faculty of Agriculture, Shahid Bahonar University of Kerman, Iran


| Godwin Nutifafa Gidiglo
Department of Environmental Toxicology, University of California, 4138 Meyer Hall, One Shields Avenue Davis, California A, 95616, USA


| Jafar Zolala
Department of Agricultural Biotechnology, Faculty of Agriculture, Shahid Bahonar University of Kerman, Iran


| Mohammad Amin Gorouhi
Research Center of Tropical and Infectious Diseases, Kerman University of Medical Sciences, Kerman, Iran, Department of Vector Biology and Control, Faculty of Public Health, Kerman University of Medical Sciences, Kerman, Iran


| Ismaeil Alizadeh
Department of Vector Biology and Control of Diseases, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran


| Mansour Mirtadzadini
Plant Systematics, Department of Agricultural Biotechnology, Faculty of Agriculture, Shahid Bahonar Kerman University, Kerman, Iran
نشانی اینترنتی https://jad.tums.ac.ir/index.php/jad/article/view/1727
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