[Experimental study on xue-bao capsules against injury of radiation or cyclophosphamide in mice].

Objective: To explore the effects of xue-bao capsules on injury of radio-or chemo-therapy in mice, in order to provide rationale behind clinical trials.

Method: xue-xu (deficiency of blood) model in mice was induced by radiation or cyclophosphamide. Leucocyte (WBC), erythrocyte (RBC), hemoglobin (Hb) and platelet (Pt) in peripheral blood as well as CFU-E and CFU-Gm in bone marrow were counted.

[Determination of cinnamaldehyde in Guizhi by HPLC].

Objective: To establish a HPLC method for the determination of cinnamaldehyde in Guizhi.

Method: Cinnamaldehyde was separated by a Kromasil C18 column (4.6 mm x 200 mm) with a mobile phase of acetonitrile-0.

[A research on the quality of radix Astragali].

Milkvetch root (Radix Astragali) and its likes were determined in their contents of trace elements, total extracts and astragalin A. The result showed there was some relationship between the drug quality, trace-element contents, difference of species, growing areas and on-the-spot processing methods.

[Antitumor action of lignum sappan].

The aqueous extract of lignum sappan can kill cell lines of HL-60, K562, L929 and Yac-1 at the concentration of 2 microliters/ml. The survival time of mice bearing EAC is increased by 185% (P less than 0.01) by ip 0.