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Objective To establish a specific HPLC method for simultaneous determination of three components ( baicalin, linarin and rhein) in Cuochuang Xiaoyan lotion. Methods The three components in Cuochuang Xiaoyan lotion were assayed by HPLC gradient elution method.The assay was performed with Waters Xterra MS C18(4.6 mm×250 mm,5 μm) column, with acetonitrile (A) and 0.2% phosphoric acid solution (B) as mobile phase in gradient elution.The flow rate was 1.0 mL·min-1.The detection wave length was 277 nm and column temperature was 30 ℃. Results Three components were completely separated from the adjacent peaks and a good linear relationship between each sample concentration and integral area was obtained.The linear equations were as follows:Ybaicalin=9.208X-0.0994(R2=0.9999, 83.97-839.70 μg·mL-1);Ylinarin=3.0628X-0.0038 ( R2 = 0. 9999, 34. 75-347. 49 μg · mL-1 );Yrhein = 1. 0225X-0. 0286 ( R2 = 0. 9998, 63. 20-632.00 μg·mL-1 ) . Conclusion The HPLC method is simple, accurate and reproducible, which is effective in controlling the quality of Cuochuang Xiaoyan lotion.
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Objective To establish a specific HPLC method for simultaneous determination of three components ( baicalin, linarin and rhein) in Cuochuang Xiaoyan lotion. Methods The three components in Cuochuang Xiaoyan lotion were assayed by HPLC gradient elution method.The assay was performed with Waters Xterra MS C18(4.6 mm×250 mm,5 μm) column, with acetonitrile (A) and 0.2% phosphoric acid solution (B) as mobile phase in gradient elution.The flow rate was 1.0 mL·min-1.The detection wave length was 277 nm and column temperature was 30 ℃. Results Three components were completely separated from the adjacent peaks and a good linear relationship between each sample concentration and integral area was obtained.The linear equations were as follows:Ybaicalin=9.208X-0.0994(R2=0.9999, 83.97-839.70 μg·mL-1);Ylinarin=3.0628X-0.0038 ( R2 = 0. 9999, 34. 75-347. 49 μg · mL-1 );Yrhein = 1. 0225X-0. 0286 ( R2 = 0. 9998, 63. 20-632.00 μg·mL-1 ) . Conclusion The HPLC method is simple, accurate and reproducible, which is effective in controlling the quality of Cuochuang Xiaoyan lotion.
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Objective:To prepare Cuochuang Xiaoyan lotion and establish HPLC fingerprint chromatogram for the quality control . Methods:The separation was performed on a Waters XTerra MS C 18column(250 mm ×4.6 mm, 5μm).The mobile phase consisted of acetonitrile-0.2%phosphoric acid with gradient elution at a flow rate of 1.0 ml· min-1 , the eluent was monitored by a UV detector at 277 nm, and the column temperature was at 30℃.Results: There were sixteen common peaks for the sample , and among them, three ones were identified as baicalin , linarin and rhein , respectively .Conclusion:The repeatability and information of chromatogram peaks of the method are satisfied , which can provide credible quality control method for Cuochuang Xiaoyan lotion .
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Objective To study and analyze the efficacy and safety of caspofungin in the treatment of acute exacerbation of chronic obstructive pulmonary disease patients complicated with pulmonary fungal infections.Methods 62 patients of acute exacerbation of chronic obstructive pulmonary disease complicated with pulmonary fungal infec-tions were randomly divided into study group and control group,31 cases in each group.Study group was intravenously given caspofungin,with an initial dose of 70mg/d,follow 50mg/d.The control group was intravenously given liposomal amphotericin B,dose control in 3mg? kg-1 ? d-1 .After treatment lasted symptoms 5d,clinical efficacy and side effects of two groups were recorded.Results The effective rate of the study group was 67.74%,which was signifi-cantly higher than 41.93% of the control group, the difference was statistically significant ( χ2 =2.0251, P =0.0429).The incidence rate of adverse reactions of the study group was 16.13%,which was significantly lower than 48.39% of the control group,the difference was statistically significant(χ2 =2.6948,P =0.0070).After treatment, liver and kidney function parameters in the control group such as ALT,AST,BUN,Cr had significant differences com-pared with before treatment (P <0.05).Conclusion For chronic obstructive pulmonary disease patients complicated with acute exacerbation of pulmonary fungal infection,the treatment efficacy and the incidence of adverse reactions of caspofungin therapy are significantly better than liposomal amphotericin B,and has small renal damage,which is wor-thy of clinical application.
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Objective:To establish an HPLC method for the determination of baicalin and polydatin in Kanggan Liyan syrups. Methods:The samples were analyzed on an Waters SunFire C18 column with the mobile phase A of acetonitrile and the mobile phase B of 0. 2% phosphoric acid solution with gradient elution. The flow rate was 1. 0 ml·min-1 , the detection wavelength was 284nm,and the column box temperature was 30℃. Results:Baicalin and polydatin could be separated effectively without interference. The linear range of baicalin was 32. 0-480. 0 μg·ml-1 and the average recovery was 98. 71%(RSD=0. 67%,n=5). The linear range of poly-datin was 16. 0-240. 0 μg·ml-1 and the average recovery was 97. 02%(RSD=1. 03%,n=5). Conclusion:The method is accurate and stable, and can be used in the determination of Kanggan Liyan syrups.
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Objective To study the effect of Guiji cream in the treatment of fissure and permeability of skin.Methods The models of fissure Japonic rabbits were established to observe the effects of skin cream on inhibiting fissure.Rabbits back area was divided into 6 blocks and given different medicines in six different groups:GuiJi cream group of low dosage,middle dosage and high dosage (0.05、0.1、0.2 g/m-2 crude drug of Bletilla colloid respectively),urea frost cream group(0.1 g/m-2),normal saline group and control group.Observe the changes of skin surface symptoms every day.The permeability test was performed on 36 KM mouse and randomly divided into control group,GuiJi cream group and urea frost cream group(0.2 g/m-2).Apply drugs to the back and observe the permeability change of cilia capillary,and auricle swelling degree in mice of each group.Results The curative criteria for Guiji groups was 3.8～4.1,the inhibition rate of auricular swelling was 75％.GuiJi cream could inhibit xylene-induced ear edema (P＜0.05) ; the Inhibition rate of vascular permeability was 45.08％,The ear swelling induced by xylene and increased capillary permeability induced by acetic acid in mice were inhibited significantly (P＜0.05) by Guiji cream which had obvious effects on fissure as well as the permeability.Conclusion Guiji chapped skin cream played significant functions in treating fissure and acting anti-inflammatory.