Atividade moluscicida e cercaricida de diferentes espécies de Eucalyptus

Mendes, Nelymar Martineli; Araújo, Neusa; Souza, Cecília Pereira de; Pereira, José Paulo; Katz, Naftale

doi:10.1590/s0037-86821990000400002

Cited by 11 publications

(2 citation statements)

References 2 publications

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“…Neste trabalho, amostras de óleos essenciais foram extraídas a partir 14 espécies do gênero Eucalyptus spp. sendo que 11 amostras apresentaram atividade moluscicida e sobre as desovas nas concentrações de 20 ppm (Mendes et al, 1990). Souza et al (2005) (Cantanhede et al, 2010;Singh et al, 2010).…”

Section: Cymbopogon Winterianusunclassified

Efeito moluscicida do óleo essencial de Cymbopogon winterianus Jowitt (Poaceae) sobre Lymnaea columella (Say, 1817) e Biomphalaria tenagophila(D’Orbigny, 1835)

Costa¹,

Almeida²,

Gonçalves³

et al. 2015

Rev. bras. plantas med.

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RESUMO:O uso das substâncias moluscicidas convencionais no controle de planorbídeos vetores constitui-se uma importante ferramenta no combate da fasciolose hepática e esquistossomose. Sendo, portanto, de extrema relevância para a pecuária e para os serviços de Vigilância Epidemiológica. Por outro lado, a seleção de caramujos resistentes a tais substâncias e sua baixa seletividade estimulam a busca por novas substâncias. Neste sentido, o presente trabalho foi desenvolvido para avaliar o efeito do óleo essencial de Cymbopogon winterianus Jowitt sobre Lymnaea columella e Biomphalaria tenagophila, hospedeiros intermediários de Fasciola hepatica e esquistossomose mansônica, respectivamente. O óleo essencial foi extraído a partir de folhas frescas utilizando o sistema Clevenger. A análise qualitativa foi realizada por meio de cromatografia gasosa acoplada a espectrometria de massas (CG/EM) e a quantificação dos constituintes presentes no óleo foi determinada por cromatografia gasosa acoplada ao detector de ionização de chama (CG/DIC). O efeito moluscicida foi avaliado utilizando seis moluscos de cada espécie e o óleo essencial de C. winterianus nas concentrações finais de 10, 20, 30, 40, 60, 80 e 100 ppm. A análise por cromatografia gasosa do óleo essencial possibilitou a identificação dos componentes majoritários geraniol (28,62%), citronelal (23,62%) e citronelol (17,10%). Os valores de DL 100 e DL 50 para os moluscos das espécies L. columella e B. tenagophila foram, respectivamente, 60 e 40 ppm; 80 ppm e 60 ppm. O óleo de Cymbopogon winterianus demonstrou-se uma alternativa promissora para o controle dos moluscos, sendo a espécie L. columella mais sensível ao mesmo.Palavras-chave: controle alternativo, óleo volátil, citronela, moluscos.ABSTRACT: Molluscicidal effect of essential oil of Cymbopogon winterianus Jowitt (Poaceae) on Lymnaea columella (Say, 1817) and Biomphalaria tenagophila (D'Orbigny, 1835). Conventional molluscicides have been employed to control of planorbids vectors and are an important tool in order to control the hepatic fascioliasis and schistosomiasis. Thus, these substances have been showinggreat relevance for both Veterinary and Livestock Services as well as for Epidemiology and Disease Surveillance. On the other hand, the process of drug pressure for the selection of resistant snails to such components and their low selectivity have stimulated the search for new substances. Since researches on new drugs are the starting point to assist on themolluscs control, this work was developed in order to evaluate the effect of Cymbopogon winterianus Jowitt essential oil on L. columella and B. tenagophila, intermediate hosts of Fasciola hepatica and Schistosoma mansoni, respectively. The essential oil was obtained from fresh leaves by hydrodistillation using a Clevenger apparatus. A qualitative analysis was performed by gas chromatography together with a mass spectrometry one (GC/MS) and the chemical constituent content was determined by gas chromatography with a flame ionization detector (GC/FID). The ...

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Section: Cymbopogon Winterianusunclassified

Efeito moluscicida do óleo essencial de Cymbopogon winterianus Jowitt (Poaceae) sobre Lymnaea columella (Say, 1817) e Biomphalaria tenagophila(D’Orbigny, 1835)

Costa¹,

Almeida²,

Gonçalves³

et al. 2015

Rev. bras. plantas med.

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“…The Eucalyptus species that have been shown to have molluscicidal properties and supporting data are given in Table I. Rouquayrol and colleagues (1980) reported that the essential oil of E. citriodora was weakly molhiscicidal against Biornphalaria, and Mendes et al (1990) found that the hydrolates and essential oils of E. botryoides, E. carnaldulensis, E. citriodora, E. deanei, E. rnaculata, E. pilularis, E. resinifera and E. robusta were molhiscicidal against B. glabrata. However, in each case the concentration of leaves (g/L water) used in the preparation of the hydrolates and essential oils was not stated.…”

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confidence: 98%

Eucalyptus: A sustainable self-delivery molluscicide?

1994

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Attention is drawn to the limitations of conventional methods of controlling important trematode infections such as schistosomosis and fasciolosis. Plant molluscicides could have a role in the future control of these infections. There are, however, major problems with most plant molluscicides in that their use is labour-intensive, in many cases relatively skilled workers are required, they must be applied regularly and arable land may be required for their cultivation. Thus, little progress is to be expected until plant species with sustainable self-delivery systems are identified. Eucalyptus is proposed as a likely candidate. The leaves of many species in this genus have molluscicidal properties and their intermittent fall could effect self-delivery if the trees were planted in appropriate places. Relatively little work has been carried out on this possibility and much more is necessary, especially field trials. Before field trials are started, more laboratory testing is also necessary to determine the LC50 values for different snail species and to study toxicity to non-target organisms.

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Anti‐Schistosoma mansoni effects of essential oils and their components

Islam

Martorell

Salehi

et al. 2020

Phytotherapy Research

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Schistosoma mansoni is endemic in 55 countries around the world. S. mansoni is a water‐borne parasite of humans belonging to the group of blood flukes. Generally, schistosomiasis is treated with praziquantel, which results in frequent treatment failures and reinfections. Essential oils have diverse biological effects, including antimicrobial, antiprotozoal and antiparasitic. This review aimed at summarizing available in vitro, in vivo and clinical trials showing evidence and mechanisms of actions of essential oils and their derivatives acting against S. mansoni. The findings suggest that a number of essential oils and/or their components act against S. mansoni. Essential oils and/or their derivatives may be one of the potential sources of antischistosomal drugs.

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Atividade moluscicida e cercaricida de diferentes espécies de Eucalyptus

Cited by 11 publications

References 2 publications

Efeito moluscicida do óleo essencial de Cymbopogon winterianus Jowitt (Poaceae) sobre Lymnaea columella (Say, 1817) e Biomphalaria tenagophila(D’Orbigny, 1835)

Efeito moluscicida do óleo essencial de Cymbopogon winterianus Jowitt (Poaceae) sobre Lymnaea columella (Say, 1817) e Biomphalaria tenagophila(D’Orbigny, 1835)

Eucalyptus: A sustainable self-delivery molluscicide?

Anti‐Schistosoma mansoni effects of essential oils and their components

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