PMID: 16612505Apr 14, 2006Paper

Physiological changes in Biomphalaria glabrata Say, 1818 (Pulmonata: Planorbidae) caused by sub-lethal concentrations of the latex of Euphorbia splendens var. hislopii N.E.B (Euphorbiaceae)

Memórias do Instituto Oswaldo Cruz
Clélia Christina Mello-SilvaMaria de Lurdes de Azevedo Rodrigues

Abstract

Molluscides have been used as one of the strategies to control schistosomiasis. Many plant extracts with molluscidal effects have been tested, but the action of the latex of Euphorbia splendens var. hislopii is considered the most promising because it meets the recommendations of the World Health Organization (WHO). The objective of this study was to determine the lethal dose and identify the effects of the different doses of latex of E. splendens var. hislopii on the physiology of Biomphalaria glabrata submitted to treatment for 24 h. The concentrations of glucose, uric acid and total proteins in the hemolymph and of glycogen in the digestive gland and cephalopodal mass were determined. The LD50 value was 1 mg/l. The highest escape index was found to be at a concentration of 0.6 mg/l. The results showed that the latex of E. splendens var. hislopii caused a sharp reduction in the reserves of glycogen in the digestive gland and elevation of the protein content in the hemolymph of B. glabrata.

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Citations

Sep 21, 2010·Journal of Invertebrate Pathology·Victor Menezes TunholiJairo Pinheiro
Aug 20, 2010·Memórias do Instituto Oswaldo Cruz·Clélia Christina Mello-SilvaMaria de Lurdes de A Rodrigues
Oct 17, 2019·Revista Da Sociedade Brasileira De Medicina Tropical·Cynthia de Paula-AndradeEdward Oliveira
Jan 1, 2020·International Journal of Environmental Research and Public Health·Tayo Alex AdekiyaAbidemi Paul Kappo
Nov 9, 2018·Veterinary Sciences·Ronaldo de Carvalho Augusto, Clélia Christina Mello Silva

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