期刊论文

Factor Analysis and Cluster Analysis of Contents of 9 Mineral Elements in Seed Kernels of Castanea henryi from Different Varieties

中文

食品科学

1002-6630

2019

40

2

165-170

10.7506/spkx1002-6630-20180602-020

国家自然科学基金面上项目(31870674) 国家自然科学基金青年科学基金项目(31500554) 中南林业科技大学研究生科技创新基金项目(20181005).

本校为第一机构

为探明锥栗种仁中矿质元素含量特征规律,以30种主要锥栗农家种种仁为试材,采用自动间断分析仪与原子吸收光谱法测定N、P、K、Ca、Mg、Fe、Mn、Zn和Cu 9种矿质元素指标,运用相关性分析、因子分析和聚类分析对其矿质元素含量进行分析.结果 表明,Kolmogorov-Smirnov检验表明9种矿质元素含量数据服从正态分布,9种矿质元素平均含量顺序为N (6 873.74 mg/kg) ＞K (4 402.32 mg/kg) ＞P(1 619.16mg/kg)＞Ca (471.18mg/kg) ＞Mg (394.59mg/kg) ＞Mn (115.80mg/kg) ＞Fe (16.22mg/kg) ＞Zn (8.68 mg/kg) ＞Cu(7.59 mg/kg),大量元素中N、K、P与Ca、Mg存在显著差异(P＜0.05),微量元素中Mn与Fe、Zn、Cu差异显...

In order to elucidate the characteristics of mineral elements in the seed kernels of Chinese chinquapin (Castanea henryi), the contents of nine mineral elements including N, P, K, Ca, Mg, Fe, Mn, Zn and Cu in 30 major varieties were determined using a discontinuous autoanalyzer and atom absorption spectrometry and they were analyzed by correlation analysis, factor analysis and cluster analysis. The results were showed that the contents of all 9 mineral elements obeyed normal distribution by Kolmogorov-Smirnov test. The average contents followed...