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目的:分析炮山甲二氧化硫残留量超标原因,为完善炮山甲二氧化硫残留量限定标准提供参考依据。方法:采用元素分析法测定其硫含量,用蒸馏-碘滴定法分别测定穿山甲原药材、炮制辅料(细沙和醋)、砂炒炮山甲和砂炒醋淬炮山甲二氧化硫残留量;通过与穿山甲原药材含硫量的比较,初步分析炮山甲二氧化硫残留量超标原因。结果:1炮制辅料细沙和醋二氧化硫残留量分别为2.74 mg/kg和3.44 mg/kg。2广西组与云南组无显著差异(P>0.05);砂炒炮山甲二氧化硫残留量显著高于穿山甲原药材的二氧化硫残留量(P<0.05);砂炒醋淬炮山甲二氧化硫残留量与砂炒炮山甲二氧化硫残留量无显著性差异(P>0.05)。结论:炮山甲二氧化硫残留量超标与炮制辅料、产地无关,与自身存在的微量元素硫有关,超标过程主要发生在砂炒环节中;炮山甲二氧化硫残留量限度标准是否需要提高有待进一步研究。
Objective: To analyze the cause of exceeding the standard for residual sulfur dioxide in gunjia yang and to provide a reference for improving the standard of sulfur dioxide residue in gunjia yang. Methods: The content of sulfur was determined by elemental analysis. The crude drugs such as pangolin, sandwiches and vinegar, sautéed cassia and saute vinegar were determined by distillation - iodine titration respectively. Compared with the sulfur content of the original medicinal pangolin, a preliminary analysis of the cause of exceeding the standard of sulfur dioxide in canyon. Results: 1 The processing of fine sand and vinegar residues vinegar residues were 2.74 mg / kg and 3.44 mg / kg. There was no significant difference between Guangxi group and Yunnan group (P> 0.05). The content of sulfur dioxide in sand-fried gunpowder was significantly higher than that of pangolin (P <0.05) There was no significant difference (P> 0.05) in the residual sulfur dioxide in sand-fried gunpowder. Conclusion: The content of sulfur dioxide in canyon nails exceeds the standard of processing accessories and origin, and is related to its own existence of trace element sulfur. The exceeding standard process mainly occurs in the sanding step. Whether the limits of sulfur dioxide residues in nongsien nails need to be improved remains to be further studied.