Dong-Qin Wang

Polyphenol and Flavonoids Content and Antioxidant Activity of Different Solvent Extracts from Artemisia argyi

Dong-Qin Wang, Jing Yang & Jianguo Xu · Asian Journal of Immunology · 2020

The effects of extraction solvents (methanol, ethanol, acetone, petroleum ether and n-hexane) on the content of total polyphenols and flavonoids, as well as antioxidant activities of Artemisia argyi were investigated. The results showed that, the ethanol extract had the highest t...

Open access Research Article

Origin Identification of Buckwheat from Different Areas in Loess Plateau by Chemical Analysis and Data Mining Techniques

Jing Yang, Dong-Qin Wang, Qiang Zhang & Jian-Guo Xu · Asian Journal of Medical Principles and Clinical Practice · 2020

In this study, the quality characteristics of mineral elements, vitamins and amino acids of 39 common buckwheat samples from the eastern, central and western regions of Loess Plateau were analyzed and compared and then effective indicators were selected for discrimination geograp...

Open access Research Article