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首页> 外文期刊>Journal of the Korean Society for Applied Biological Chemistry >Detecting fludioxonil residues in brown rice and rice straw using gas chromatography-nitrogen phosphorus detector
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Detecting fludioxonil residues in brown rice and rice straw using gas chromatography-nitrogen phosphorus detector

机译：气相色谱-氮磷检测器检测糙米和稻草中的氟迪松含量

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摘要

In the present study, brown rice was steeped in 20 % wettable powder fludioxonil for 24 h, subsequently germinated, and transplanted in paddy fields. The harvested rice was tested at 156 days to detect residue levels using gas chromatography-nitrogen phosphorus detector. Validation was carried out to assess the following parameters: linearity, limit of detection and limit of quantitation (LOQ), recovery, and storage stability. Using matrix-matched calibrations, the determination coefficients were > 0.999 in both matrices. Mean recoveries were 73.5-101.0 % with relative standard deviations < 10 % in both matrices. The LOQ (0.006 mg/kg) was lower than the maximum residue limit (MRL = 0.02 mg/kg) set by the Ministry of Food and Drug Safety, Republic of Korea. The developed method was applied successfully, and no residues were detected in field-incurred rice and/or rice straw samples.
机译：在本研究中，将糙米浸入20％的可湿性粉扑氟地尼中24小时，然后发芽，然后移植到稻田中。使用气相色谱-氮磷检测器对收获的大米进行156天的检测，以检测残留水平。进行验证以评估以下参数：线性，检测限和定量限（LOQ），回收率和储存稳定性。使用矩阵匹配的校准，两种矩阵的测定系数均大于0.999。两种基质的平均回收率均为73.5-101.0％，相对标准偏差<10％。 LOQ（0.006 mg / kg）低于大韩民国食品和药品安全部设定的最大残留限量（MRL = 0.02 mg / kg）。该方法成功应用，田间稻米和/或稻草样品中均未发现残留。

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