Volume 19 Issue 4
Nov.  2019
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HONG WANG, WEI-MIN CAI, WAN-XIAN WANG, JIAN-MIN YANG. Molluscicidal Activity of Nerium indicum Mill, Pterocarya stenoptera DC, and Rumex japonicum Houtt on Oncomelania hupensis[J]. Biomedical and Environmental Sciences, 2006, 19(4): 245-248.
Citation: HONG WANG, WEI-MIN CAI, WAN-XIAN WANG, JIAN-MIN YANG. Molluscicidal Activity of Nerium indicum Mill, Pterocarya stenoptera DC, and Rumex japonicum Houtt on Oncomelania hupensis[J]. Biomedical and Environmental Sciences, 2006, 19(4): 245-248.

Molluscicidal Activity of Nerium indicum Mill, Pterocarya stenoptera DC, and Rumex japonicum Houtt on Oncomelania hupensis

Funds:  国家自然科学基金(30471506)
  • To evaluate the molluscicidal activities of three Chinese plants N. Indicum Mill, P. Stenoptera DC, and R.japonicum Houtt, and to clarify the molluscicidal mechanism. Methods N-butanol extracts and water extracts of the three plants were obtained. The reactions of EST isozyme, glycogen and total protein of snails to the plant extracts were studied.Results EST electrophoresis showed that EST was an important antidotal enzyme system and reacted strongly to environment.EST changed greatly during the whole exposure period so that it could be viewed as a pathological index of toxicity. Extracts decreased the glycogen content of the snails'soft tissues greatly, and also the protein content. Conclusion All extracts show strong molluscicidal activity. The LD50 value of the water extract of N. Indicum Mill is as low as 13.2 mg/L. EST can be viewed as a pathological index of toxicity. The energy metabolism abnormity is the key reason for the molluscicidal activities. The biochemical mechanism needs further research.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Molluscicidal Activity of Nerium indicum Mill, Pterocarya stenoptera DC, and Rumex japonicum Houtt on Oncomelania hupensis

Funds:  国家自然科学基金(30471506)

Abstract: To evaluate the molluscicidal activities of three Chinese plants N. Indicum Mill, P. Stenoptera DC, and R.japonicum Houtt, and to clarify the molluscicidal mechanism. Methods N-butanol extracts and water extracts of the three plants were obtained. The reactions of EST isozyme, glycogen and total protein of snails to the plant extracts were studied.Results EST electrophoresis showed that EST was an important antidotal enzyme system and reacted strongly to environment.EST changed greatly during the whole exposure period so that it could be viewed as a pathological index of toxicity. Extracts decreased the glycogen content of the snails'soft tissues greatly, and also the protein content. Conclusion All extracts show strong molluscicidal activity. The LD50 value of the water extract of N. Indicum Mill is as low as 13.2 mg/L. EST can be viewed as a pathological index of toxicity. The energy metabolism abnormity is the key reason for the molluscicidal activities. The biochemical mechanism needs further research.

HONG WANG, WEI-MIN CAI, WAN-XIAN WANG, JIAN-MIN YANG. Molluscicidal Activity of Nerium indicum Mill, Pterocarya stenoptera DC, and Rumex japonicum Houtt on Oncomelania hupensis[J]. Biomedical and Environmental Sciences, 2006, 19(4): 245-248.
Citation: HONG WANG, WEI-MIN CAI, WAN-XIAN WANG, JIAN-MIN YANG. Molluscicidal Activity of Nerium indicum Mill, Pterocarya stenoptera DC, and Rumex japonicum Houtt on Oncomelania hupensis[J]. Biomedical and Environmental Sciences, 2006, 19(4): 245-248.

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