By applying saturated D optimal design method,the effect of high-voltage electrostatic field strength and function on Rheum tanguticum seed germination and vigor were studied.

Comparative study on purgative activity of different extracts from Rheum tanguticum;

Study on HPLC fingerprint of alcohol extracts from Rheum tanguticum;

Studies on Karyotypes of Five Populations of Rheum tanguticum (Polygonaceae);

Spectrum of XPD of Rheum tanguticum Maxim.ex Balf.;

Physiological and Biochemical Characters on the Cell Suspension Culture of Rheum tanguticum Maxim.ex Balf.

This article reviews the technology on extraction of rhapontinum from the roots of Rheum tanguticum Maxim.

Extraction and Isolation of Anthraquinones from Rheum tanguticum Maxim;

Effects of low frequency currents on Rheum tanguticum Maxim seeds germination and activities

Promoting effects of Rheum tanguticum polysaccharide on IEC-6 cell proliferation,migration and its possible mechanism;

The results showed that the total anthraquinones content of two and three-year cultivated Rheum tanguticum in high altitude region was higher than that in low altitude region.

The results showed that the total contents of five anthraquinones in cultivated Rheum tanguticum growing two,three and four years were 1.

The content of aloe-emodin,rhein,emodin,chrysophanoland physcion in 3 and 4 year old cultivated Rheum tanguticum,which grew in Qinghai in different months of it growth season,were determined by high performance liquid chromatography.