Determination of Geographic Origin of Garden Pea Based on Element Composition

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  • 無機元素組成によるさやえんどうの産地判別
  • ムキ ゲンソ ソセイ ニ ヨル サ ヤ エン ドウ ノ サンチ ハンベツ

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Abstract

To determine the geographic origin of the garden pea, 79 samples from Japan and China were examined. Nine elements contained in the garden pea were determined by ICP-MS. Principal component analysis of these elements could discriminate garden peas from Japan and China. We thus developed a linear discriminant analysis (LDA) model established based on the results of Sr and Pb, which were chosen by backward stepwise regression. This LDA model identified the origin of garden pea from Japan and China with 100% accuracy.

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