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Objective To establish the method of thin layer chromatography (TLC) for identification and quantitative determination of Shipi Xiaoshui gel plaster. Methods TLC was adopted to qualitatively identify astragalus radix, plantaginis semen, curcumae rhizome, cinnamomi ramulus, polyporus umbellatus and akebia quinata. UPLC-MS was used to determine the content of astragaloside Ⅳ. Results TLC spots were clear and well-separated; RSDs of precision, reproducibility and stability tests were all lower than 3%, the linear range of astragaloside Ⅳ was 2.75-33 μg/ml (r=0.999 9, n=6), and the average recovery was 100.49% (RSD=1.98%, n=6). Conclusion The established method in this study is accurate, reliable and specific, which could be used for the quality control of Shipi Xiaoshui gel plaster.
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OBJECTIVE:To establish a method for the content determination of L-epicatechin in Actinidiae arguta. METHODS:HPLC was performed on the column of Kromasil C18 with mobile phase of acetonitrile-0.2%Acetic acid solution(15:85,V/V)at a flow rate of 1.0 ml/min,detection wavelength was 210 nm,column temperature was 25 ℃,and the volume injection was 10 μl. RESULTS:The linear range of L-epicatechin was 10.47-167.52 μg/ml(r=0.999 9);RSDs of precision,stability and reproducibility tests were lower than 2%;average recovery was 98.07%-101.71%(RSD=1.39%,n=6). CONCLUSIONS:The method is simple, accurate and reliable,and suitable for the content determination of L-epicatechin in A. arguta.
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Objective:To review the chemical and pharmacological activities of Codonopsis lanceolata in order to provide reference for the further development of C. lanceolata. Methods:The related literatures at home and abroad in the past 40 years were reviewed and analyzed, and then the chemical components and pharmacological actions of C. lanceolata were summarized. Results: The major chemical constiturents in C. lanceolata were terpenoids, alkaloids, phenylethanoid glycoside and flavonoids. The pharmacological ac-tivities were antioxidation, anti-inflammatory, anti-tumor, antiplatelet aggregation, hypoglycemic and hypolipidemic effects, etc. Con-clusion:The review provides reference for the further development and comprehensive utilization of C. lanceolata. The development of relevant safe and effective agents is still needed, and at present, the definition of mechanism and the extension of clinical application remain as the primary tasks of the exploration of C. lanceolata.
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Objective To optimize an extracting technology for Tongluo granule by orthogonal design. Methods Water-extracting fraction:with the weight of water-extracting fraction and paeoniflorin content as the indexes,extracting times,water volume and extracting time were screened by L9(34) orthogonal test,Alcohol-extracting fraction:with the weight of alcohol-extracting fraction and hesperidin content as the indexes,alcohol concentration,extracting times,alcohol volume and extracting time were screened by L9(34) orthogonal test. Results The optimal extraction conditions were as follows:water-extracting fraction: extracting 3 times with 12-fold water,1.5 hours for each time;alcohol-extracting fraction:refluxing and extracting 2 times with 10-fold 60% alcohol,1.5 hours for each time. Conclusion The results can provide theoretical basis for production of Tongluo granule.
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Objective: To optimize a preparation technology for pyretic arthralgia cataplasma. Methods: The preparation technology were studied by a uniform design experiment in which NP-700, tartaric acid, PVP, dihydroxyaluminum aminoacetate, glycerol, water and medicinal powder were factors and viscosity, infiltration, gel mobility and gel strength were indices. Results: The best ratio of this cataplasma matrix was NP-700:tartaric acid:PVP:dihydroxyaluminum aminoacetate: glycerol:water:powder = 4.0:0.2:1.0:0.1:25.0:35.0:2.0. According to optimized formula, to prepare the poultice, then to spread the poultice uniformly onto non-woven fabrics, cover CPP membrane and pack after 1 week at room temperature. Conclusion: Pyretic arthralgia cataplasma was well moldable and its process technology was feasible.