川芎种质与药材质量的相关性分析

来源 :中国实验方剂学杂志 | 被引量 : 0次 | 上传用户:besunqz
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目的:分析川芎质量及镉含量与其种质的相关性,为选育川芎新品种、解决川芎镉含量超标问题提供参考。方法:采集四川省内6份不同种质的川芎苓种,测定其镉含量并进行多点评比大田实验,对不同种质对应川芎药材的生物产量、成分含量(浸出物、挥发油、阿魏酸)及重金属镉含量进行测定,结合不同苓种对应药材质量,分析川芎质量及镉含量与其种质的相关性。结果:不同种质的川芎质量存在一定差异,以Z-6号(眉山市洪雅县瓦屋山镇)川芎苓种对应的川芎药材质量相对较好,其次为Z-1号(敖平镇坝苓子)和Z-2号(崇州市九龙沟)对应的川芎药材,Z-5号(彭州市小鱼洞镇)苓种所产川芎药材质量相对较差。6份不同种质中镉质量分数0.31~2.10 mg·kg-1,与其对应药材中镉质量分数(0.23~0.59 mg·kg-1)不存在显著相关性(r=0.585,P=0.223)。结论:不同种质对应栽培川芎的质量存在一定差异,种质对川芎药材中重金属镉含量影响不大,但川芎中镉含量受到地域因素影响较为明显。 OBJECTIVE: To analyze the correlation between the content of Chuanxiong rhizome and cadmium content and its germplasm, and to provide a reference for breeding new species of Chuanxiong and solving the problem of excessive cadmium content in Chuanxiong rhizome. Methods: Six Chuanxiong Ling species with different germplasm resources in Sichuan Province were collected and their cadmium contents were determined. The field experiments were conducted to evaluate the bioavailability of the rhizoma chuanxiong rhizomes (extract, volatile oil, ferulic acid ) And heavy metal cadmium content were determined. According to the quality of different herbs, the correlation between the quality and cadmium content of Chuanxiong and its germplasm was analyzed. Results: There were some differences in the quality of Chuanxiong among different germplasms. The quality of Chuanxiong rhizome corresponding to Chuanxiong Ling of Z-6 (Wushan Town, Hongya County, Meishan City) was relatively good, followed by Z-1 Ling Zi) and Z-2 (Chongzhou Jiulonggou) corresponding to the Chuanxiong medicinal material, Z-5 (Pengzhou City Xiaoyu Dongzhen) Ling Chuanxiong medicinal quality is relatively poor. There was no significant correlation between cadmium content (0.23 ~ 0.59 mg · kg-1) and cadmium content (r = 0.585, P = 0.223) in 6 different germplasms from 0.31 to 2.10 mg · kg-1. Conclusion: The quality of Ligusticum chuanxiong cultivars with different germplasm is different. The germplasm has little effect on the content of heavy metal cadmium in Ligusticum chuanxiong. However, the content of cadmium in Ligusticum chuanxiong Hort is obviously affected by the geographical factors.
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