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中国精品科技期刊2020
王亚盟,郭家平,刘洁,等. 不同产地黑果枸杞中主要矿质元素含量比较及主成分分析[J]. 食品工业科技,2021,42(11):233−239. doi: 10.13386/j.issn1002-0306.2020070308.
引用本文: 王亚盟,郭家平,刘洁,等. 不同产地黑果枸杞中主要矿质元素含量比较及主成分分析[J]. 食品工业科技,2021,42(11):233−239. doi: 10.13386/j.issn1002-0306.2020070308.
WANG Yameng, GUO Jiaping, LIU Jie, et al. Comparison and Principal Component Analysis of Main Mineral Elements in Lycium ruthenicum Murray from Different Habitats [J]. Science and Technology of Food Industry, 2021, 42(11): 233−239. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2020070308.
Citation: WANG Yameng, GUO Jiaping, LIU Jie, et al. Comparison and Principal Component Analysis of Main Mineral Elements in Lycium ruthenicum Murray from Different Habitats [J]. Science and Technology of Food Industry, 2021, 42(11): 233−239. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2020070308.

不同产地黑果枸杞中主要矿质元素含量比较及主成分分析

Comparison and Principal Component Analysis of Main Mineral Elements in Lycium ruthenicum Murray from Different Habitats

  • 摘要: 目的:了解22个产地的黑果枸杞中主要矿质元素的分布特点。方法:22份黑果枸杞样品经微波消解法处理,用国家标准方法测定K、Ca、Na、Mg、Fe、Co、Zn、Mn、Cu、Cr、Ni、Pb和P元素的含量,用主成分分析(除Pb)进行产地综合排名并用聚类分析进行产地聚类。结果:黑果枸杞含有多种有益的矿质元素,且重金属Cu和Pb的含量符合《中国药典》安全标准。主成分分析结果显示,产自新疆的黑果枸杞样品综合得分较高,矿质元素含量较多;而产自西藏的黑果枸杞样品综合得分较低,矿质元素含量较少。聚类分析结果与主成分分析结果基本一致。结论:黑果枸杞含有丰富的矿质元素,但不同产地的含量不同,品质各异,可为其进一步的综合开发利用提供数据支持。

     

    Abstract: Objective: To study the distribution characteristics of main mineral elements in Lycium ruthenicum Murray from 22 different habitats. Methods: 22 samples of Lycium ruthenicum Murray were pretreated by microwave digestion method, and the contents of mineral elements, including K, Ca, Na, Mg, Fe, Co, Zn, Mn, Cu, Cr, Ni, Pb, and P were determined by the national standard methods. Moreover, the comprehensive ranking of mineral elements (except Pb) was performed by principal component analysis and cluster analysis was conducted. Results: Lycium ruthenicum Murray contained many kinds of beneficial mineral elements, and the contents of heavy metals such as Cu and Pb met the safety standards of the Chinese Pharmacopoeia. The results of principal component analysis showed that the Lycium ruthenicum Murray from Xinjiang had higher comprehensive scores and contained more mineral elements, while Lycium ruthenicum Murray from Tibet had lower comprehensive scores and contained less mineral elements. The result of cluster analysis was basically consistent with that of principal component analysis. Conclusion: Lycium ruthenicum Murray was rich in mineral elements, but the content and quality of mineral elements from different habitats varied, which could provide new scientific evidence for its further research and comprehensive utilization.

     

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