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目的:比较不同产地浙贝母中重金属含量的差异,为浙贝母的临床用药安全提供可靠的依据。方法:采用紫外分光光度法,在300nm波长下,测定6个不同产地浙贝母重金属含量。结果:不同产地浙贝母中重金属含量存在一定差异,其中浙江鄞州3个产地的重金属总量均符合要求,而浙江磐安及江苏南通、海安重金属总量均有不同程度的超标。结论:本测定结果可为浙贝母药材的质量评价和临床用药安全提供参考。
OBJECTIVE: To compare the difference of heavy metal content in Fritillaria from different producing areas and provide a reliable basis for clinical drug safety of Fritillaria. Methods: Ultraviolet spectrophotometry was used to determine the heavy metal content of Fritillaria from six different origins at a wavelength of 300 nm. Results: There were some differences in heavy metal contents in Fritillaria from different producing areas. Among them, the total amount of heavy metals in three production areas of Quzhou, Zhejiang all met the requirements, while the total heavy metals in Chun’an, Jiangsu, and Nantong and Hai’an in Jiangsu exceeded the standards. Conclusion: The results of this assay can provide reference for quality evaluation and clinical drug safety of Fritillaria.