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Effects of separate analyses of pulp and peel on pesticide residues in watermelons and muskmelons

机译：果肉和果皮分别分析对西瓜和甜瓜中农药残留的影响

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摘要

To evaluate the effects of sample-size reduction and separate analyses of fruit pulp and peel, residual levels of 3 pesticides in watermelons and muskmelons were determined. The pesticide residue levels in 2 types of size-reduced samples were compared. In one size-reduced sample, the pesticide residues in the pulp with the peel were analyzed (A). In the other size-reduced sample, residues in the pulp and peel were analyzed separately. Afterward, the pesticide residue levels were calculated for the whole fruit (B). The majority of the pesticide residues were found to be present in the peel. The mean percent differences (A/B±standard deviations [SD]) of pesticide residue levels in the watermelon and muskmelon samples were 91±15% and 83±11%, respectively. No significant effect of sample-size reduction and separate analyses of pulp and peel were found in determining the pesticide residues in large-sized fruiting vegetables.
机译：为了评估减少样本量以及对果肉和果皮进行单独分析的效果，确定了西瓜和甜瓜中3种农药的残留量。比较了两种尺寸减小的样品中的农药残留量。在一个尺寸减小的样品中，分析了带有果皮的果肉中的农药残留（A）。在另一个尺寸减小的样品中，分别分析了果肉和果皮中的残留物。然后，计算整个水果（B）的农药残留量。发现大多数农药残留物存在于果皮中。西瓜和甜瓜样品中农药残留量的平均百分比差异（A / B±标准偏差[SD]）分别为91±15％和83±11％。在确定大型果蔬中的农药残留量时，没有发现减小样本大小和对果肉和果皮进行单独分析的显着影响。

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