Extraction of potential mosquito repelling phytoconstituents from male papaya flower petals

International Journal of Agriculture & Environmental Science

© 2020 by SSRG - IJAES Journal

Volume 7 Issue 2

Year of Publication : 2020

Authors : Sriraaman M, Mukund A, Vignesh D, P Mullai

10.14445/23942568/IJAES-V7I2P104

How to Cite?

Sriraaman M, Mukund A, Vignesh D, P Mullai, "Extraction of potential mosquito repelling phytoconstituents from male papaya flower petals," SSRG International Journal of Agriculture & Environmental Science, vol. 7,  no. 2, pp. 12-14, 2020. Crossref, https://doi.org/10.14445/23942568/IJAES-V7I2P104

Abstract:

As the population of pest increases, necessity for pesticide production also increases day by day. One of the popular fast moving consumer goods based pesticide is mosquito repellent. Mosquito attacks both humans and plants. The commercial repellents used to kill mosquito are harmful to human health too. In the present investigation, experiments were carried out for the extraction of alkaloid carpaine from male papaya flowers. The extract of male papaya flower was extracted with water as the solvent using simple distillation. The pH of the water was adjusted to 7.0. The preheating temperature of the solid was maintained between 42 and 50oC. The solid and solvent were taken in the ratio of 1:2. Distillation was carried out at 80oC and the distillate obtained comprised of the extract and water. Water is separated by liquid-liquid extraction with hexane as the entrainer. The presence of alkaloid carpaine in the extract was confirmed by Wagnor and Mayer tests. The yield obtained was 3.6%.

Keywords:

Alkaloid carpaine, Simple distillation, Male papaya flower petals, Vaporisation, Mosquito.

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