日本農芸化学会誌
Online ISSN : 1883-6844
Print ISSN : 0002-1407
野菜・果実中残留農薬の部位分布および洗浄による除去
吉田 精作村田 弘今井田 雅示
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ジャーナル フリー

1992 年 66 巻 6 号 p. 1007-1011

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Marketed vegetables and fruits contaminated by organophosphorus, organochlorine, or carba-mate pesticides were cut into several regions (fruit stalk, pericarp, fruit receptacle, tissue around the stalk cavity, etc.) and the concentration of the pesticide residues in each region was assayed. In fruits and fruit-type vegetables, the concentra-tion of the pesticide residue was higher in the fruit stalk and near the epidermis (exocarp and fruit receptacle) than in the sarcocarp or peri-carp. In leaf vegetables, the concentration of the pesticide residue was higher in the outer leaves than in the inner ones. There was no pesticide contamination of the inner leaves of Chinese cab-bages with a well-formed head. Dieldrin and heptachlor epoxide were detected in pumpkins and cucumbers, although their use in agriculture has been prohibited in Japan for about 20 years. The removal rates of pesticide residues by washing with water or 0.1% liquid detergent for kitchen use were from 8 to 52% and from 19 to 67%, respec-tively. Removal of the fruit stalk, exocarp, and tissue around stalk cavity of fruits and fruit-type vegetables and washing of leaves with water or dilute detergent solution for kitchen use were necessary to decrease the intake of pesticide resi-dues from vegetables and fruit.

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