1.Effect of Sancao prescription extracts on lung adencarcinoma cell line(A549)
Xiaobin JIA ; Zhenzhong SHAO ; Yan CHEN ; Haijian YUAN ; Xiaoyong JIN
Chinese Traditional Patent Medicine 2010;(2):196-199
AIM: To investigate the ethanolic and aqueous extracts from Sancao prescription (Spica prunellae, Oldenlandia diffuse (willd) Roxb, Herba agrimoniae) on the proliferation of human lung adenocarcinoma cell line (A549). METHODS: 95% ,60% and 30% ethanolic extract and aqueous extract were prepared from Sancao pre-scription. The MTT assay was used to determine the inhibitory action against the proliferation of A549. RESULTS: IC_(50) of 60% ethanolic extract over A549 was one of the lowest in extracts. Combination of 60% and 90% ethanolic extract showed the synergistic antitumour activity. CONCLUSION: Ethanolic extract of Sancao prescription has and effect on human hung adenocarcinoma(A549).
2.Optimization of Dry Granulation Technology for Yinqiao Baidu Tablet by Orthogonal Test
Yongling LIU ; Jie SHAO ; Yongxiang WANG ; Qingfen ZHANG ; Zhenzhong WANG
China Pharmacy 2017;28(25):3553-3556
OBJECTIVE:To optimize the dry granulation technology conditions for Yinqiao baidu tablet. METHODS:Using granulating difficulty degree and disintegration time as investigation indexes,ratio and amount of accessories microcrystalline cellu-lose and compressible starch in Yinqiao baidu tablet,moisture content of the sprayed powder were screened. Using yield of particle and angle of repose as indexes,L9(34)orthogonal test was used to optimize the wheel pressure,rotating speed and feeding speed in dry granulation technology,and verification test was conducted. RESULTS:The ratio of microcrystalline cellulose and compress-ible starch was 7:3,and mixing ratio of the two with spray powder+inclusion compound was 1:5. The moisture content of spray powder was controlled in 1%-2%. The optimal technology was as follow as wheel pressure of 3.5 MPa,roller speed of 4 r/min and feeding speed of 10 r/min. In verification test,average yield of particle was 69.2% and angle of repose was 31.5 °. Transfer rate of chlorogenic acid had reached over 92%,and RSD of each index was below 2.53%(n=3). CONCLUSIONS:Each index of parti-cle prepared by optimized accessories formulation and technology shows good reproducibility and feasibility,and the technology is stable and suitable for production.
3.Simultaneous determination of caffeic acid,quercetin and campherenol from Hedyotis diffusa Willd by HPLC
Zhenzhong SHAO ; Xiaobin JIA ; Feng SHI ; Jingjing WANG ; Ya CHEN
Chinese Traditional Patent Medicine 1992;0(12):-
AIM:To establish an HPLC method for determining the contents of caffeic acid,quercetin and campherenol in Hedyotis diffusa Willd. METHODS:The samples were separated on an Alltima C 18 (250 mm? 4.6 mm,5 ?m) column with the mobile phase of MeOH(A)-0.5% glacial acetic acid solution;gradient elution(0~15 min,30%~60% A;15~30 min,60%~60% A).Flow rate was 1.0 mL/min. The detection wavelength was set at 350 nm.Column temperature was at 30 ℃. RESULTS:The contents of caffeic acid,quercetin and campherenol were 14.218~23.695 ?g/g,9.919~25.564 ?g/g and 6.229~18.160 ?g/g in Hedyotis diffusa Willd from different sources. The linear range of caffeic acid was 0.005 0~0.200 0 ?g(r=0.999 9),the average recovery was 102.35%,RSD was 2.31%(n=6);The linear range of quercetin was 0.006 2~0.244 0 ?g(r=0.999 9),the average recovery was 101.84%,RSD was 1.79%(n=6);The linear range of campherenol was 0.007 8~ 0.310 6 ?g(r=0.999 9),the average recovery was 99.04%,RSD was 2.90%(n=6). CONCLUSION:The method for quantifying of caffeic acid,quercetin and campherenol in Hedyotis diffusa Willd is accurate and reliable.
4.Study on the Effect of Various Polarity Fractions Extracted from Sancaofang and Its Combination on Human Lung Adencarcinoma SPC-A-1 Cells
Zhenzhong SHAO ; Xiaobin JIA ; Yan CHEN ; Liang FENG ; Feng SHI
China Pharmacy 2001;0(07):-
OBJECTIVE: To study the effect of various polarity fractions extracted from Sancaofang (SCF) and its combination on proliferation of human lung adenocarciaoma SPC-A-1 cells for bolting the most effective position of anti-tumor and suitable compatibility regimes.METHODS: Ethanol extraction and water extraction were adopted to prepare 95%,60% and 30% ethanol extract portion,water extract portion of SCF and compound decoction.The MTT assay was used to determine the effect of various polarity fractions of SCF,decoction and its combination on SPC-A-1 cells proliferation.RESULTS: IC50 of 60% ethanol extract was the smallest for SPC-A-1 cells.60% ethanol extract combined with 95% ethanol extract acts as a stimulus to anti-tumor activity significantly.CONCLUSION: The best suitable compatibility regimes were 95% ethanol extract combined with 60% ethanol extract.The liposolubility extract of SCF can be applied for anti-tumor.
5.Determination of Anticancer Activity Components of Flavonoids from Hedyotis diffusa by HPLC
Zhenzhong SHAO ; Xiaobin JIA ; Ran XIN ; Xiaoyong JIN ; Yan CHEN
China Pharmacy 2005;0(15):-
OBJECTIVE:To establish the method for the simultaneous determination of anticancer activity components of flavonoids from Hedyotis diffusa,i.e. quercetin,kaempferol. METHODS:HPLC was applied to determine the contents and performed on Alltima C18(250 mm?4.6 mm,5 ?m) column. Mobile phase consisted of methanol(A)-0.5% glacial acetic acid,(gradient elution). The detection wavelength was aet at 350 nm. RESULTS:The linear range of quercetin was 0.006 2~0.244 0 ?g(r=0.999 8)and that of kaempferol 0.007 8~0.310 6 ?g(r=0.999 9). The average recovery of quercetin was 101.84%(RSD=1.79%,n=6) and that of kaempferol 99.04%(RSD=2.90%,n=6). CONCLUSIONS:The method is simple,accurate and reproducible for the quality control of H. diffusa.
6.Evaluation on fi ngerprint characteristic of Prunella Species with cluster analysis method
Liang FENG ; Yan CHEN ; Xiaobin JIA ; Xiaobin TAN ; Chenglin GAO ; Guangmin LIU ; Zhenzhong SHAO
China Journal of Traditional Chinese Medicine and Pharmacy 2006;0(09):-
Objective:To establish the HPLC fingerprint of Prunella Species from different places and evaluate it by cluster analysis.Methods:The analysis method of HPLC ngerprint was established.Alltima C18(4.6mm?250mm,5?m) was utilized for separation.The mobile phase consisted of methanol(A) and 0.5% glacial acetic acid(B) with a ow-rate of 1.0ml/min.The detection wavelength was 280nm and the injection volume was 20?l.The column temperature was 30℃.The HPLC ngerprints of Prunella Species from three di erent places were determined and analyzed by SPSS.Results:There is a big di erence among ngerprints of Prunella from di erent places.Prunella from Hubei,Anhui,Jiangxi,Guizhou,Guangxi,Sichuan were divided into a class;Henan,Jiangsu,Zhejiang were divided into another class.Conclusion:the eatsblished ngerprint showed characteristics of Prunella Species from di erent places obviously,and the attribute of Prunella Species can be distinguished e ectively by cluster analysis method.
7.Research progress on global health competency and its models
Jingran HU ; Zhenzhong WANG ; Xiaoxia WEI ; Enying GONG ; Ruitai SHAO
Chinese Journal of Preventive Medicine 2024;58(1):92-97
At present, the research on Global Health Competencies is mainly conducted in the field of the establishment of competency models and application of indicators. This review summarizes the research progress of the Global Health Competency and its models, and focuses on cutting-edge research from the aspects of target audience, purpose, content, classical model, methods and future development. The competency model is suggested to be adjusted and updated according to the practices of different countries and regions. The research and funding of the competency model in the field of public health is suggested to be strengthened, and the global health and diplomacy are suggested to be combined to enrich and improve the competency model. Finally, this review aims to promote Global Health Competencies research in China, especially to improve the global health talent training system and relevant policies in further research.