食品与发酵工业 >

2020 , Vol. 46 >Issue 7: 257 - 264

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.022494

分析与检测

宁夏不同地区、不同品种枸杞中元素含量差异分析

  • 开建荣 ,
  • 李彩虹 ,
  • 赵丹青 ,
  • 王彩艳
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  • 1(宁夏农产品质量标准与检测技术研究所,宁夏 银川,750002);
    2(宁夏农林科学院,宁夏 银川,750002)
硕士,助理研究员(王彩艳副研究员为通讯作者,E-mail:37648836@qq.com)

收稿日期: 2019-10-09

  网络出版日期: 2020-05-19

基金资助

宁夏农林科学院科技创新引导资金资助项目(NKYJ-18-23);宁夏农林科学院科技创新先导资金项目对外科技合作专项(DWHZC-2017003、DW-X-2018015);宁夏回族自治区自然科学基金项目(NZ16119)

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Analysis of mineral elements in wolfberry (Lycium barbarum) from different regions and varieties

  • KAI Jianrong ,
  • LI Caihong ,
  • ZHAO Danqing ,
  • WANG Caiyan
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  • 1(Ningxia Research Institute of Quality Standards and Testing Technology of Agricultural Products, Yinchuan 750002, China);
    2(Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan 750002, China)

Received date: 2019-10-09

  Online published: 2020-05-19

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摘要

为探讨宁夏不同产地、不同品种枸杞中无机元素含量的差异,筛选可表征宁夏枸杞的有效指标,采集宁夏固原、中卫、中宁和银川4个地区及同产区宁杞1号、宁杞5号、宁杞7号和宁杞9号 4个品种枸杞样品,采用电感耦合等离子体质谱仪测定枸杞样品中的Al、As、B、Ba、Cd、Co、Cr、Cu、Hg、La、Li、Mg、Mn、Mo、Ni、Rb、Sc、Se、Sr、Th、Ti、Fe、Zn、P、Ca和Pb 26种元素含量,对其进行方差分析和主成分分析。结果显示:宁夏不同品种枸杞中元素含量没有显著性差异,但宁夏不同产地枸杞样品中元素含量有其各自的特征,不同种植地区枸杞中的Al、As、Ba、Co、Cu、La、Mg、Mn、Mo、Ni、Rb、Sc、Sr、Ti、Th、Fe和Ca的含量差异达到了极显著水平;且枸杞中26种元素之间存在一定的相关性和依存关系,对枸杞中26种元素进行主成分分析,可筛选出Ni、Li、Al、As、Mo、P、Th、Zn、Pb、Hg、Ba作为枸杞的特征元素。结论表明,元素分析技术可作为枸杞产地溯源的有效手段。

关键词： 枸杞; 元素; 电感耦合等离子体质谱法; 产地; 溯源

本文引用格式

开建荣 , 李彩虹 , 赵丹青 , 王彩艳 . 宁夏不同地区、不同品种枸杞中元素含量差异分析[J]. 食品与发酵工业, 2020 , 46(7) : 257 -264 . DOI: 10.13995/j.cnki.11-1802/ts.022494

Abstract

The paper aims to explore the difference in the content of mineral elements in different varieties of Lycium barbarum and different production areas of Ningxia. Four varieties of Lycium barbarum, Ningqi 1, Ningqi 5, Ningqi 7 and Ningqi 9, were collected from Guyuan, Zhongwei, Zhongning and Yinchuan, Ningxia. Al, As, B, Ba, Cd, Co, Cr, Cu, Hg, La, Li, Mg, Mn, Mo, Ni, Rb, Sc, Se, Sr, Th, Ti, Fe, Zn, P, Ca and Pb in Lycium barbarum samples was determined by inductively coupled plasma mass spectrometry (ICP-MS). Results showed that there was no significant difference in the contents of mineral elements in different varieties of Lycium barbarum in Ningxia. However, the contents of mineral elements in Lycium barbarum samples from different producing areas in Ningxia have their own characteristics, and the contents of Al, As, Ba, Co, Cu, La, Mg, Mn, Mo, Ni, Rb, Sc, Sr, Ti, Th, Fe and Ca in Lycium barbarum in different planting areas in Ningxia have reached a very significant level, and there is a certain correlation and dependence among 26 kinds of mineral elements in Lycium barbarum. Principal component analysis of 26 mineral elements in Lycium barbarum can be screened Ni, Li, Al, As, Mo, P, Th, Zn, Pb, Hg, Ba were selected as the characteristic mineral element of Lycium barbarum. Mineral element analysis technique can be used as an effective means to trace the origin of Lycium barbarum.

Key words： wolfberry; elements; inductively coupled plasma mass spectrometry (ICP-MS); geographical origin; traceability

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