Yuanzhong Wang
Yunnan University
156 Papers
672 Citations
Yuanzhong Wang is an academic researcher from Yunnan University. The author has contributed to research in topics: Chemistry & Biology. The author has an hindex of 20, co-authored 132 publications. Previous affiliations of Yuanzhong Wang include Yunnan University of Traditional Chinese Medicine & Xishuangbanna Tropical Botanical Garden.
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Papers
Determination of Total Flavonoids for Paris Polyphylla Var. Yunnanensis in Different Geographical Origins Using UV and FT-IR Spectroscopy.
TL;DR: Various pretreatments, including SNV, FD, SD, SG, and OSC, were compared; several relevant variables were selected by CARS; and the content of total flavonoids and selected variable were used to establish a partial least squares regression for PPY in different regions.
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Multivariate analyses of major and trace elements in 19 species of herbs consumed in Yunnan, China
TL;DR: In this article, the concentrations of 10 elements in 19 species of herbs related to medical and edible purpose in Yunnan, China were analyzed by inductively coupled plasma atomic emission spectrometry.
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Geographic origin identification and rapid determination of four constituents of Gentiana rigescens by FTIR combined with chemometrics
TL;DR: In this article, a comprehensive assessment of G. rigescens from different geographic origins by Fourier transform infrared (FTIR) in combination with chemometrics was conducted to enhance quality control, and the accuracy rates of the model were 100%, 97.22%, and 100% for samples from Yunnan, Guizhou, and Sichuan, respectively.
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Evaluation of mineral element contents in Paris polyphylla var. yunnanensis from Southwest China
TL;DR: The content levels of some elements, such as Cr, Cu, Ca and Mn in the samples were usually affected by environmental conditions, whereas the contents of Mg and K were rather stable in the same species or variety.
Investigation of a Medical Plant for Hepatic Diseases with Secoiridoids Using HPLC and FT-IR Spectroscopy for a Case of Gentiana rigescens.
TL;DR: The results indicated that the sample with total secoiridoids, gentiopicroside, swertiamarin, and sweroside from west Yunnan had higher content than samples from the other regions and the sample from Baoshan had more totalSecoiridoid than other samples for the whole medicinal plant.
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