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Type: Artigo de periódico
Title: Drosophila Melanogaster Meigen: 3. Susceptibility To Carbofuran And Biomonitoring Of Its Residues In Cabbage [drosophila Melanogaster Meigen: 3. Sensibilidade Ao Carbofuran E Biomonitoramento De Seus Resíduos Em Repolho]
Author: De Almeida G.R.
Reyes F.G.R.
Rath S.
Abstract: The susceptibility of Drosophila melanogaster to carbofuran and the use of this organism in biomonitoring residues of the insecticide in cabbage was evaluated. Under the conditions of the bioassay, residues-film bioassay in Petri dish, carbofuran degraded depending on the temperature and time of exposure. Bioassays conducted with D. melanogaster showed that its toxicity increases with temperature (20 to 35 °C). LC50 values, calculated as a function of temperature, ranged from 3.6 to 10.5 mg/g body weight (bw) for males and from 2.9 to 8.7 mg/g bw for females. The formulated product Furadan® G was applied on cabbage (Brassica oleracea, var. capitata) and the residues of carbofuran were determined by bioassay. The determination limit of the bioassay was 0.1 mg/kg and the method presented reproducibility with coefficient variation of 17 %. The validation of the bioassay by high performance liquid chromatography confirms the viability of the bioassay with D. melanogaster in monitoring the residues of carbofuran in cabbage.
Citation: Quimica Nova. , v. 24, n. 6, p. 768 - 772, 2001.
Rights: aberto
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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