ICP-MS法分析不同种质荒漠肉苁蓉矿质元素分布特征

doi:10.3964/j.issn.1000-0593(2022)08-2452-04

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摘要：矿质元素是中药材品质评价的重要指标之一，与中药材功效物质合成及其功效的发挥密切相关，中药材矿质元素含量受其种质、采收时期、药用部位、产地等因素的影响。荒漠肉苁蓉是我国著名补益中药，也是药食同源类药材，其矿质元素含量越来越受到人们关注。应用ICP-AES法测定了黄花、白花、紫花三种类型荒漠肉苁蓉不同部位4种常量矿质元素和8种微量矿质元素含量。结果表明：（1）不同类型荒漠肉苁蓉均含有K、Ca、Mg、Na、Fe、Mn、Cu、Zn、Cr、As、Pb和Cd元素，但不同类型荒漠肉苁蓉矿质元素含量差异较大，黄花肉苁蓉矿质元素含量低于白花肉苁蓉和紫花肉苁蓉；白花肉苁蓉K、Ca、Mg、Na、和Cu含量高于紫花肉苁蓉，而Zn、Cr和Cd含量低于紫花肉苁蓉。（2）荒漠肉苁蓉中12种矿质元素分布特征差异明显，K、Ca、Mg、Na和Cu主要分布在上部。（3）荒漠肉苁蓉不同部位矿质元素比值差异显著，三种类型荒漠肉苁蓉K/Na值均为下部>中部>上部；Mg/Fe值紫花、白花类型中部最高，黄花类型上部最高；Zn/Mn比值紫花和黄花类型中部最高，而白花类型下部最高；Cu/Cr值白花和黄花类型上部最高，紫花类型中部最高。研究结果将为荒漠肉苁蓉的良种选育和质量控制与利用提供数据支撑。

关键词：荒漠肉苁蓉；种质；矿质元素；分布特征

Abstract：Mineral elements are one of the important indexes for quality evaluation of Traditional Chinese medicine（TCM）, which are closely related to the synthesis and play of the effective substances of Chinese medicinal materials. The content of mineral elements in TCM is affected by its germplasm, harvesting period, medicinal site, origin and other factors. Cistanche deserticola Y.C.Ma is one of the famous tonic herbs and medicine-food homology in China, and its mineral element content has attracted more and more attention. The contents of 4 major mineral elements and 8 trace mineral elements in different parts of three types of C. deserticola were analyzed by ICP-AES. The results show that: (1) K, Ca, Mg, Na, Fe, Mn, Cu, Zn, Cr, As, Pb and Cd were all contained in the three types of C. deserticola, but the contents of different types were significantly different. The mineral element content of yellow flower type is lower than that of white and purple flower types. The contents of K, Ca, Mg, Na and Cu in the white flower types were higher than those in the purple flower types, while the contents of Zn, Cr and Cd were lower than those in the purple flower types. (2) There were significant differences in the distribution characteristics of 12 mineral elements in C. deserticola, and K, Ca, Mg, Na and Cu were mainly distributed in the upper part. (3) The ratios of mineral elements in different parts of deserticola were significantly different. K/Na of three types of deserticola were lower > middle > upper. The Mg/Fe ratio was the highest in the middle of purple and white flowers and the highest in the upper part of yellow flowers. The Zn/Mn ratio was the highest in the middle of purple and yellow flowers but the highest in the lower part of white flowers. Cu/Cr ratio was highest in the upper part of white and yellow flower types and highest in the middle of purple flower types. This study will provide data support for the breeding and quality control of C. deserticola.

Key words：Cistanche deserticola Y. C. Ma; Germplasm; Mineral elements; Distribution characteristics

收稿日期: 2021-06-29 修订日期: 2021-12-14

中图分类号:

O657.31

基金资助: 科技部国家重点研发计划项目（2017YFC1702400）资助

通讯作者: 黄勇 E-mail: huangyong16@126.com

作者简介: 郭猛，1996年生，河南农业大学农学院硕士研究生 e-mail: 460660102@qq.com

引用本文:

郭猛，黄勇，陈欣，张治峰，张红瑞，周艳，李贺敏，郭玉海. ICP-MS法分析不同种质荒漠肉苁蓉矿质元素分布特征[J]. 光谱学与光谱分析, 2022, 42(08): 2452-2455.
GUO Meng, HUANG Yong, CHEN Xin, ZHANG Zhi-feng, ZHANG Hong-rui, ZHOU Yan, LI He-min, GUO Yu-hai. Distribution Characteristics of Mineral Elements in Different Types of Cistanche deserticola Y. C. Ma Were Analyzed by ICP-MS. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2022, 42(08): 2452-2455.

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