Evaluation of mosquito larvicidal activity of green synthesized crystalline silver nanoparticles using leave and fruit extracts of Phyllanthus acidus L. (Phyllanthaceae)

Q3 Medicine

Notulae Scientia Biologicae Pub Date : 2023-12-19 DOI:10.55779/nsb15411722

Arpita Gope, Anjali Rawani, Priyajit Chatterjee

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Abstract

The present study evaluates the potentiality of green silver nanoparticles from the leaves and fruit extracts of Phyllanthus acidus L. against third instar larvae of two vector mosquitoes namely Culex quinquefasciatus and Culex vishnui. Various spectroscopic techniques were used to characterize the synthesized silver nanoparticles (AgNPs). Synthesized silver nanoparticles from both the leaf and fruits of P. acidus were spherical to quasi-spherical in shape and showed Surface Plasmon Resonance (SPR) bands at 420 and 409 nm respectively. In larvicidal bioassay with synthesized AgNPs from the leave of P. acidus, 100% mortality was observed at 20 ppm against third instar larvae of both the mosquito species with LC50 values of 1.64 and 0.87 ppm respectively. 100% mortality was observed in 5 ppm concentration against both Cx. quinquefasciatus and Cx. vishnui in synthesized AgNPs from fruits of P. acidus with LC50 values of 1.62 and 1.24 ppm respectively. The above findings suggest that the AgNPs synthesized from P. acidus leaves and fruit extracts have the potential to be employed in vector mosquito population control.

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利用叶和果提取物评估绿色合成结晶银纳米粒子的杀蚊虫活性

本研究评估了从 Phyllanthus acidus L. 的叶子和果实萃取物中提取的绿色银纳米粒子对两种病媒蚊子（即 Culex quinquefasciatus 和 Culex vishnui）三龄幼虫的潜力。合成的银纳米粒子（AgNPs）采用了多种光谱技术进行表征。从 P. acidus 的叶片和果实中合成的银纳米粒子呈球形至准球形，并分别在 420 纳米和 409 纳米处显示出表面等离子共振（SPR）带。在用酸果树叶合成的 AgNPs 进行杀幼虫生物测定时，在 20 ppm 的浓度下，两种蚊子的三龄幼虫死亡率均为 100%，半数致死浓度分别为 1.64 和 0.87 ppm。从 P. acidus 果实中合成的 AgNPs 在 5 ppm 浓度下对 Cx.上述研究结果表明，从 P. acidus 叶子和果实提取物中合成的 AgNPs 有潜力用于病媒蚊虫种群控制。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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