玄参有机氯农药残留概貌及其限量标准研究
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摘要
目的获得玄参药材及饮片有机氯农药残留概貌,建立玄参有机氯农药残留的限量标准。方法采用快速气相色谱法检测全国范围内10个代表产地的玄参药材及7个产地(30批次)玄参饮片中21种有机氯农药残留量,考察99%置信区间,制定玄参有机氯农药残留的限量标准。结果玄参样品中21种有机氯农药残留量为0.000 1～0.077 7μg/g,其中六六六、七氯、硫丹占农药残留总量的93%～96%,拟定了玄参中有机氯农药残留国家限量标准。结论玄参中有机氯农药残留主要为六六六、七氯、硫丹,制定的玄参有机氯农药残留限量标准为总有机氯≤0.700μg/g。
Objective To obtain profile of residues of organochlorine pesticides in medicinal materials and decoction pieces of Scrophulariae Radix; To establish the limit standard for the residue of organochlorine pesticides.Methods Rapid gas chromatography was used to determine the residues of 21 organochlorine pesticides in medicinal materials of Scrophulariae Radix from ten producing areas of China and 30 batches of Scrophulariae Radix Decoction Pieces from seven producing areas. The 99% confidence interval was investigated, and the limit standard for organochlorine residue of Scrophulariae Radix was established. Results The determination of residues of 21 organochlorine pesticide in samples of Scrophulariae Radix was among 0.000 1–0.077 7 μg/g, and contents of BHC,heptachlor, and endosulfan occupying 93%–96% of total pesticide residue. The national industry standard for the limit of organochlorine pesticides was established. Conclusion The residues of organochlorine in Scrophulariae Radix are mainly BHC, heptachlor, and endosulfan. The limit standard of total organochlorine for Scrophulariae Radix was no higher than 0.700 μg/g.
Objective To obtain profile of residues of organochlorine pesticides in medicinal materials and decoction pieces of Scrophulariae Radix; To establish the limit standard for the residue of organochlorine pesticides.Methods Rapid gas chromatography was used to determine the residues of 21 organochlorine pesticides in medicinal materials of Scrophulariae Radix from ten producing areas of China and 30 batches of Scrophulariae Radix Decoction Pieces from seven producing areas. The 99% confidence interval was investigated, and the limit standard for organochlorine residue of Scrophulariae Radix was established. Results The determination of residues of 21 organochlorine pesticide in samples of Scrophulariae Radix was among 0.000 1–0.077 7 μg/g, and contents of BHC,heptachlor, and endosulfan occupying 93%–96% of total pesticide residue. The national industry standard for the limit of organochlorine pesticides was established. Conclusion The residues of organochlorine in Scrophulariae Radix are mainly BHC, heptachlor, and endosulfan. The limit standard of total organochlorine for Scrophulariae Radix was no higher than 0.700 μg/g.
引文
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[2]李隆云.中药材规范化种植与GAP认证进展[J].重庆中草药研究,2012(1):43-54.
[3]薛健,金红宇,田金改,等.中药农药残留问题研究与思考[J].中草药,2007,38(10):1578-1581.
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[5]马雯,薛晓利,秦雪梅,等.中药材农药残留及脱除方法研究进展[J].中草药,2018,49(3):745-753.
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[11]佘一鸣,胡永慧,韩立云,等.中药质量控制的研究进展[J].中草药,2017,48(12):2557-2563.
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