Clinical Observation on Treatment of 92 Cases of Oral Ulcer with Compound Huanglian Powder / 国际中医中药杂志

Objective To observe cfinical effect of compound huanglian powder treating oral ulcer.Methods 92 patients with oral ulcer were randomly divided into a treatment group and a control group.The treatment group was treated with compound Huanglian powder,and the control group was treated with metronidazole.The therapeutic effects were observed in 2 months of following up after taking the medicines for one month.Results Effects on oral ulcer of the treatment group were obviously superior to those of the control group.which had a significant difference(P＜0.05).Conclusion The treatrment of compound Huanglian powder on oral ulcer was better than metronidazole.

Optimization of Extraction Technology for Pueraria and Other Active Component in Huanglian Powder with Orthogonal Test / 中国药房

OBJECTIVE: To optimize the extraction technology of pueraria, ophiopogonis, and loquat leaf. METHODS: Orthogonal test was carried out. The influence of concentration of solvent, the dosage of solvent, time length of extraction, and frequency of extraction on extraction results were investigated by using the content of pueraria as index. RESULTS: The optimal extraction technique was to extract pueraria in 60% alcohol 8 times the weight of herbal medicine for 3 times, with 60 minute for each time. CONCLUSION: High yield of extractum and high content of pueraria are obtained with the present technology. The results are stable and replicable, which can provide reference for preparation of Huanglian powder.