Determination and Characteristic Analysis of Mineral Elements in Leccinum rugosiceps from Different Geographic Origins

doi:10.7506/spkx1002-6630-201424023

Abstract

Abstract:

The contents of 10 mineral elements in Leccinum rugosiceps from five regions were determined by microwave
digestion-inductively coupled plasma-atomic emission spectrum (ICP-AES), and the obtained data were analyzed by analysis
of variance (ANOVA) and principal component analysis (PCA) using the SPSS software. The results showed that recovery
rates from tea standard (GBW 07605) ranged from 91% to 101% and the detection limits were 0.000 1–0.616 5 mg/kg.
Mg, Cu, Ca, Na and Zn were more abundant in Leccinum rugosiceps. However, there were significant differences among
mushroom samples collected from different regions. PCA showed that the cumulative contribution rate of the first three
principal components was 87.87%, which could express most information. Principal component comprehensive scores could
reflect the enrichment levels of ten mineral elements in Leccinum rugosiceps from different origins.

Key words: inductively coupled plasma-atomic emission spectrum (ICP-AES), microwave digestion, Leccinum rugosiceps, mineral elements, principal component analysis (PCA)

CLC Number:

TS201.2

LI Jie-qing1, YANG Tian-wei1, WANG Yuan-zhong2, LI Tao3, LIU Hong-gao1,*. Determination and Characteristic Analysis of Mineral Elements in Leccinum rugosiceps from Different Geographic Origins[J]. FOOD SCIENCE, doi: 10.7506/spkx1002-6630-201424023.

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Determination and Characteristic Analysis of Mineral Elements in Leccinum rugosiceps from Different Geographic Origins

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