Atividade moluscicida do extrato butílico de Phytolaca dodecandra (Endod) sobre Biomphalaria glabrata

Memórias do Instituto Oswaldo Cruz

Cecília Pereira De Souza¹  Nelimar Martinelli Mendes¹  Neusa Araújo¹  Naftale Katz¹ 

[1] ,FIOCRUZ Centro de Pesquisas René Rachou Belo Horizonte,Brasil

关键词: Phytolacca dodecandra;    plant molluscicide;    Biomphalaria glabrata;    schistosomiasis control;    Phytolacca dodecandra;    moluscicida vegetal;    Biomphalaria glabrata;    controle esquistossomose;   

DOI  :  10.1590/S0074-02761987000300005

来源: SciELO

【 摘 要 】

A buthanol extract of Phytolacca dodecandra (type 44) obtained from Ethiopia berries, was tested as molluscicide in our laboratory and in the field. The lethal dose (LD90) for adult snails, newly hatched and egg-masses of Biomphalaria glabrata, in 24 hours exposure, were of 4.5, 23.0 and 102.0 ppm respectively. The LD90 for the fish Lebistes reticulatus was of 2.0 ppm. These results are similar to those of Lemma (1984) in Ethiopia. In two water ponds treated with 10 ppm of the buthanol extract or 3 ppm of niclosamide the mortality rates of B. glabrata were of 84.6 and 100.0%, respectively. Both treatments were toxic for L. reticulatus in the field trials. The possibility of using molluscicides derived from plants is discussed as an alternative for treatment of schistosomiasis foci in Brazil.

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