PMID: 30156393Jun 1, 2016Paper

Research on the Correlation Between Soil Mineral Elements and NIR Fingerprint of Angelica sinensis

Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials
Yao-peng WangYa-li Wang

Abstract

To investigate the correlation between soil mineral elements and NIR fingerprint of Angelica sinensis. The fingerprint of 130 batches of Angelica sinensis from 12 production regions were determined by near infrared spectra with integrating sphere and diffuse device of near infrared spectrometer. The determination of 15 kinds of mineral elements in the corresponding origin of soil mass fraction were determined by atomic absorption spectrometry or inductively coupled plasma mass spectrometry, grey correlation analysis and multivariate nonlinear regression method were used to analyze. The soil mineral elements and their contribution were Cu > Pb, which were the main influencing factors of Angelica sinensis NIR fingerprint maximum absorbance on peak 7 249cm-1; the contribution of mineral elements in soil were Cr > Fe > Zn > Cd > Ca on peak 6 996 cm-1,there were positive correlation between Cr and Cd, and negative correlation between Fe and Ca; on peak 5 900 cm-1were Cu; on peak 5 000 cm-1were K > Ca > Zn; on peak 4 762 cm-1were K > Sb; on peak 4 651 cm-1were Ca > K > As > Cr, there were positive correlation between Ca and K, and the positive correlation or negative correlation between the square of As and Cr; the contribution of mi...Continue Reading

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