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Article

Screening the Efficacy and Safety of Molluscicides from Three Leaf Extracts of Chimonanthus against the Invasive Apple Snail, Pomacea canaliculata

by
Deying He
1,2,†,
Cheng Li
1,2,†,
Qitao Su
1,2,
Yiying Lin
1,2 and
Zhengrong Zou
1,2,*
1
College of Life Science, Jiangxi Normal University, Nanchang 330022, China
2
Key Laboratory of Protection and Utilization of Subtropic Plant Resources of Jiangxi Province, Nanchang 330022, China
*
Author to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Molecules 2024, 29(11), 2487; https://doi.org/10.3390/molecules29112487
Submission received: 11 April 2024 / Revised: 5 May 2024 / Accepted: 13 May 2024 / Published: 24 May 2024
(This article belongs to the Topic Safety and Toxicological Risks of Medicinal Plants and Natural Products: Mechanistic Insights)
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Abstract

Pomacea canaliculata, the invasive snail, is a host of the parasitic nematode Angiostrongylus cantonensis, which has adverse effects on the agriculture system and human health. This work evaluated the molluscicidal activity of petroleum ether extracts (PEEs) from three species of Chimonanthus against the snail P. canaliculate. Pcp (PEE of C. praecox) showed the most effective molluscicide activity. Sixty-one compounds were identified by GC-MS and the main components were terpenoids and fatty acids. The half-lethal concentration (LC50) of Pcp at 24 h (0.27 mg/mL) and 48 h (0.19 mg/mL) was used to evaluate the biochemical alterations in snail tissue. These sublethal concentrations caused the levels of alkaline phosphatase (ALP), alanine aminotransferase (ALT), and aspartate aminotransferase (AST) activity to increase, while acetylcholinesterase (AChE) activity decreased. Also, under LC50 treatment, several histological changes were observed in the hepatopancreas and foot of the snail compared with the control group. Moreover, the toxic test in rice demonstrated that Pcp has low toxicity. These results suggest that Pcp could be developed as an effective molluscicide for P. canaliculata control.
Keywords: Chimonanthus; Pomacea canaliculata; molluscicidal activity; biochemical analysis; histopathological alterations; toxicity Chimonanthus; Pomacea canaliculata; molluscicidal activity; biochemical analysis; histopathological alterations; toxicity
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MDPI and ACS Style

He, D.; Li, C.; Su, Q.; Lin, Y.; Zou, Z. Screening the Efficacy and Safety of Molluscicides from Three Leaf Extracts of Chimonanthus against the Invasive Apple Snail, Pomacea canaliculata. Molecules 2024, 29, 2487. https://doi.org/10.3390/molecules29112487

AMA Style

He D, Li C, Su Q, Lin Y, Zou Z. Screening the Efficacy and Safety of Molluscicides from Three Leaf Extracts of Chimonanthus against the Invasive Apple Snail, Pomacea canaliculata. Molecules. 2024; 29(11):2487. https://doi.org/10.3390/molecules29112487

Chicago/Turabian Style

He, Deying, Cheng Li, Qitao Su, Yiying Lin, and Zhengrong Zou. 2024. "Screening the Efficacy and Safety of Molluscicides from Three Leaf Extracts of Chimonanthus against the Invasive Apple Snail, Pomacea canaliculata" Molecules 29, no. 11: 2487. https://doi.org/10.3390/molecules29112487

APA Style

He, D., Li, C., Su, Q., Lin, Y., & Zou, Z. (2024). Screening the Efficacy and Safety of Molluscicides from Three Leaf Extracts of Chimonanthus against the Invasive Apple Snail, Pomacea canaliculata. Molecules, 29(11), 2487. https://doi.org/10.3390/molecules29112487

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