Improvement of preparing technique for compound glycyrrhiza oral solution / 国际药学研究杂志

Objective: To obtain a clear, well-tasted and qualified compound glycyrrhiza oral solution by improving the addi-tion method of compound camphor tincture. Methods: Pulvis Talci instead of 56% alcohol was used to improve the solubility of camphor and anise oil. Firstly, camphor and benzoic acid were dissolved in 95% alcohol. Then the anise oil was mixed with Pulvis Talci and triturated sufficiently. After that, camphor solution and water were mixed with Pulvis Talci and agitated sufficiently. The im-proved compound camphor tincture was obtained after filtration. At last, a new compound glycyrrhiza oral solution was obtained by the pharmacopeial method. Results: The preparation was clear, well-tasted and qualified. Conclusion: The improved method is fea-sible, simple, stabilized and economical.

Improvement of the technique to prepare oral liquid of Huoxiangzhengqi / 国际药学研究杂志

Objective To obtain a clear and qualified oral liquid preparation of Huoxiangzhengqi by improving the addition methods of patchouli oil and perilla leaf oil. Methods Pulvis Talci was used to improve the solubility of patchouli oil and perilla leaf oil. Firstly, the two kinds of oil were mixed with Pulvis Talci and triturated sufficiently. Then, the mixture was mixed with the physic liquor and agitated sufficiently. At last, the clear preparation was obtained after filtration. Results The preparation was clear, well-tasted and qualified. Conclusion The improved method is feasible, simple, stabilized and economical.