Efeito de soluções de enxágüe na remoção de resíduos de mancozeb em tomates
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Data
2008-05-08
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Universidade Federal de Goiás
Resumo
Fungicides are the pesticides mostly used the tomato crop. Among the fungicides the dithiocarbamates are the mostly used. The objective of this work was to study the efficiency
of the dithiocarbamate mancozeb removal from tomatoes through processes of washes. We performed analyses of acidity, brix, the activity of water (aw), pH and content of manganese for tomatoes. After completing the procedures of the fruit flush with tap water, vinegar, alcohol, and sodium bicarbonate solution of sodium dichloroisocyanurate dihydrate the level of the fungicide mancozeb was assessed in skin and whole fruit. It was observed that the process of the fruit flush significantly reduces the amount of residues in tomatoes. The reduction of mancozeb was higher in the skin, which are present in highest concentration. The treatments using tap water and sodium bicarbonate removed over 61% of the residue present in the skin of tomatoes
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ALVES, Márcia Regina Ribeiro. Effect of rinsing solutions in waste removal of mancozeb in tomatoes. 2008. 59 f. Dissertação (Mestrado em Ciencias Agrárias - Agronomia) - Universidade Federal de Goiás, Goiânia, 2008.