Zhi-qiang Zhang

Study on Chemical Constituents of Styrax dasyanthus Perk

Zhi-qiang Zhang, Hai-Rong Zhong, Hong-Bo Jiang & Hai-Yan Xiang · Asian Journal of Research in Medical and Pharmaceutical Sciences · 2023

Objective: This study aimed to investigate the chemical components present in the ethyl acetate extract of Styrax dasyanthus leaves. Methods: Chemical components were isolated and purified using organic solvent decolorization, extraction, preparation of the liquid phase, silica g...

Open access Research Article 10.9734/ajrimps/2023/v12i4228

Production Area Discrimination of Ophiopogon japonicus Using 1H-NMR Fingerprints and Stoichiometric Method

Tao Yuan, Xin-Yu Wen, Zhi-qiang Zhang & Yi Huang · Asian Plant Research Journal · 2023

Objective: Compared the nuclear magnetic resonance (NMR) fingerprint spectra of Ophiopogon japonicus from three planted regions in Sichuan province and used multiple stoichiometric methods to distinguish these medicinal material's production areas. Methods: The 1H-NMR data of thr...

Open access Research Article 10.9734/aprj/2023/v11i5221