1.Identification of Isomer of Volatile Oils in Peppermint Leaves and Its Stalks by Gas Chromatography-Mass Spectrometry
Baigui LI ; Qiurong AN ; Zhifeng GUO
Chinese Journal of Analytical Chemistry 2001;29(5):530-533
The fine composition of volatile oils in a raw peppermint in July were analysed by combined means of programmed temperature capillary gas chromatography/mass spectrometry (GC/MS).20 compounds were separated and identified.The main constituents were (1α,2α,5β)-menthol (16.88%),(1α,2β,5β)-menthol (74.98%),cis-menthone(3.84%) and (2R-cis)-menthone (1.25%).In the whole July mint there were 4 groups of isomeric compound,their molecular formula were C10 H16 (5 components),C10 H18 O (2 components),C10 H20 O (2 components) and C15H24(8 components),respectively.
2.Optimization of Reverse Osmosis Process of Oil-Bearing Water Bodies Ultrafiltrate from Compound Chuanxiong Capsules
Ping XU ; Liwei GUO ; Zhifeng HAN
Chinese Journal of Information on Traditional Chinese Medicine 2006;0(11):-
Objective To investigate the effect of liquid temperature, pressure, concentration, pH parameters on the membrane process and rejection in the process of using reverse osmosis membrane to concentrate oil-bearing water bodies ultrafiltrate of Compound Chuanxiong Capsules, and optimize the process. Methods With oil-bearing water bodies ultrafiltrate of Compound Chuanxiong Capsules volatile oil as the research object, the changes in flux under different operating parameters was measured. Results For this system, suitable operation parameters was as follows: pressure was 1.6 MPa, temperature was 35~ 40 ℃, pH was 9~10. Conclusion Using reverse osmosis membrane to concentrate oil-bearing water bodies ultrafiltrate of Compound Chuanxiong Capsules volatile oil, better flux and rejection can be obtained at the appropriate operating conditions.
3.Clinical effect of Saffron Multi-glycoside Tablet on 30 cases with cardiac angina belonging to heart blood stasis type
Zhifeng QIN ; Xiaodong GUO ; Pinkang WEI
Chinese Traditional Patent Medicine 1992;0(07):-
Objective: To observate the clinical effect of Saffron Multi-glycoside Tablets for cardiac angina belonging to heart blood stasis type. Methods: Saffron Multi-glycoside Tablets were administered orally three times daily, four tablets each time. Results: Not only the degree of heart impediment and chest pain but also attack times and persistent pain changed for the better obviously. The effective rate is 96.67% and the effective rate of ECG is 93.33%, the amelioration rate of Chinese medical symptom is 96.67%. The control group is 72.22%, 66.67% and 69.44%, respectively. There is significant difference between the two groups. Conclusion: There is notable effect to take Saffron Multi-glycoside Tablets for cardiac angina belonging to heart blood stasis type.
4.Effects of Different Methods of Preparation on the Contents of Chemical Components in Ligustri Lucidi Fructus
Wei XIAO ; Jan HUANG ; Zhifeng CHEN ; Guiming GUO
Chinese Journal of Information on Traditional Chinese Medicine 2015;(7):82-85
Objective To investigate the effects of different methods of preparation on the contents of nuzhenide and oleanolic acid in Ligustri Lucidi Fructus. Methods The same batch of Ligustri Lucidi Fructus was under preparation and process. RP-HPLC was used to determine the contents of nuzhenide and oleanolic acid in crude samples, wine-prepared samples, vinegar-prepared samples, and salt-prepared samples. Results The contents of nuzhenide were in the order as follow:salt-prepared samples (1.997 5%)>crude samples (1.600 7%)>wine-prepared samples (1.144 6%)>vinegar-prepared samples (0.894 6%). The contents of oleanolic acid were in the order as follow:wine-prepared samples (1.120 2%)>salt-prepared samples (0.924 6%)>vinegar-prepared samples (0.913 2%)>crude samples (0.899 8%). Conclusion Different methods of preparation have certain effects on the contents of nuzhenide and oleanolic acid in Ligustri Lucidi Fructus.
5.The arthroscopic exhibition of 310 knee joints of 223 rheumatoid arthritis
Quoqiang CHEN ; Hongwei ZHANG ; Zhifeng LI ; Dongmei GUO ; Yangtao YU
Chinese Journal of Rheumatology 2010;14(6):402-403
Objective To investigate the arthroscopic presentations of knee joint of rheumatoid arthritis (RA). Methods During December 2005 to February 2008,223 patients with RA in our department underwent knee arthroscopy examination. The arthroscopic presentations of 310 knee joints were analyzed retrospectively. Results Synovial hyperplasia were observed in 305 knees (98.4% ) out of 310 ones. The medial part (88.4%), intercondylar fossa (86.1%) and lateral space (83.2%) were the most frequent localization of synovial hyperplasia, which was less common in the suprapatellar bursa. Hyperplastic synovium of 296 knees had coralloid or cotton-wool like presentation, with central nourishing vessels. Nine knees were lichen-like hyperplasia, without nourishing vessels. Different degrees of pathological changes or defect could be seen in 301 knees, including merely cartilage degeneration in 63 knees, cartilage degeneration plus cartilage damage or defect in femoral medial condyle or lateral condyle in 124, 163 knees, in which 53, 45 with the damage deep to the cancellous bone. Most anterior or posterior cruciate ligament (in 274 knees) were covered with hyperplastic synovium, anterior cruciate ligament of 51 knees were partial ruptured, 5 ones were completely ruptured,while 23 and 1 case had these presentations in the posterior cruciate ligament.. Meniscus damage was commonly seen under arthroscope. 234 and 38 knees had medial meniscus torn or disappeared completely, while 214 and 45 in the lateral meniscus. Conclusion Synovial hyperplasia is commonly seen in knee joints of RA and most commonly seen in the intercondylar fossa, medial space and lateral space, but less common in the suprapatellar bursa. The hyperplastic synovium appears most often in the coralloid or cotton-wool like form, Cartilage damage is commonly seen in knee joints of RA. The most serious damage of the cartilage is seen in the femoral medial condyle or lateral condyle. Partial or complete anterior cruciate ligament rupture can be seen in one proportion of knees. In most knees of RA, meniscus are torn or disappeared mostly or completely.
6.Determination of paeonol and cinnamaldehyde in Jiarong Tablet by HPLC
Wubao GUO ; Ying GU ; Zhifeng YANG ; Huahong WANG
Chinese Traditional Patent Medicine 1992;0(07):-
AIM: To establish an HPLC method of determining paeonol and cinnamaldehyde in Jiarong Tablet. METHODS: Column:Kromasil C_(18)(200 mm?4.6 mm I.D,5 ?m);mobile phase:MeOH-H_2O(65∶35);detection wavelength was at 288 nm;flow rate was 1.0 mL/min. RESULTS: The calibration curve showed a good linea-rity within the ranges of 0.003 6830.018 412 ?g for cinnamaldehyde,0.097 92-0.489 6 ?g for paeonol.(CONCLUSION:)The method is accurate and can be used for the quality control of Jiarong Tablet.
7.In vitro Antibacterial Effect by Asi-antidiarrheal Capsule:An Experimental Study
Zhifeng CHENG ; Yingqi ZHANG ; Min GUO ; Goufen QIAO
Chinese Journal of Nosocomiology 2006;0(06):-
OBJECTIVE To investigate the in vitro antibacterial effect of Asi-antidiarrheal capsule a Chinese herbal compound on hyperthyroid diarrhea.METHODS It was determined by drug dilution method in test tube to determine Asi-antidiarrhea capsule.The compound positive control drug was diphenoxylate co.We made in vitro antibacterial test with 8 kinds of bacteria respectively.RESULTS Asi-antidiarrhea capsule had powerfully bacteriostatic action on Shigella dysenteriae,Staphylococcus aureus and Streptococcus pneumoniae(MIC31.25 mg/L).But diphenoxylate co contrally was less effective on S.aureus,Str.pneumoniae,Str.pyogenes and Sh.dysenteriae(MIC 0.25 mg/L).CONCLUSIONS Asi-antidiarrhea capsule can be used to hyperthyroid diarrhea.Meanwhile,it has powerfully antibacterial effect.It provides evidence of pharmacodynamics for healing infectious diarrhea in the future.
8.Interaction and Molecular Simulation between Gossypol and Human Serum Albumin
Jian YANG ; Jurong LI ; Xianxi GUO ; Zhifeng DU ; Fang ZHANG
China Pharmacist 2015;(6):881-883,887
Objective:To explore the interaction between gossypol and human serum albumin ( HSA) . Methods:The interaction of gossypol and HSA under physiological conditions was studied by fluorescence spectroscopy, and the molecular docking software was used to simulate the interaction. Results:The binding constant of gossypol and HSA at 293K and 303K was 2. 390 6 × 105 L·mol-1 and 3. 576 8 × 103 L·mol-1 , respectively. There was one binding site on HSA for gossypol. Hydrogen bond and Van Der Waals inter-actions were involved in the binding process. The binding of gossypol and HAS was closer to tyrosine residue in HSA. The molecular simulation analysis verified the above results. Conclusion: The gossypol-induced fluorescence quenching of HSA belongs to a static quenching procedure.
9.Effect of alpha-interferon treatment in children with hepatitis B e antigen-positive chronic hepatitis B-a Meta-analysis
Zhiqing LIN ; Feng FANG ; Zhifeng GUO ; Qi CHEN
Chinese Journal of Infectious Diseases 2008;26(3):151-157
Objective To conduct a Meta-analysis to evaluate the efficacy and safety of interfer on-α for treating HBeAg-positive chronic hepatitis B in children.Methods PubMed and Chinese Biomedical Database were searched from the beginning to April 2006,and the references of eligible studies were manually screened.Randomized controlled trials published in the English and Chinese literature comparing interferon-α with non-antiviral interventions(placebo or no treatment)in children with chronic hepatitis B were eligible for inclusion.Studies were included if patients were treated for at least 3 months and followed up for at least 6 months after cessation of therapy.Two investigators independently assessed the quality and extracted the data.The methodological quality of trails was assessed by the Jadad-scale plus allocation concealment.Heterogeneity was examined by Chi-square test.Fixed effects model or random effects model was used to pool the data.Sensitivity analyses were used in the treatment course.Results Seven randomized controlled studies with a total of 360 child chronic hepatitis B virus carriers who were positive for hepatitis B surface antigen and hepatitis B e antigen werc identified.It was found by Meta-analysis that,compared with the control,at the end of therapy,interferon-α could significantly clear HBeAg[22.1%vs 6.7%,OR 3.56,95% CI(1.74, 7.28),P=0.000 5],HBV DNA[33.7% vs 12.6%,OR 3.50,95% CI(2.03,6.06),P<0.01], HBsAg [6.5% vs 0.5%,OR 7.10,95% CI(1.52,33.12),P=0.01],and achieve HBeAg seroconversion [17.3% vs 2.9%,OR 5.62,95% CI(1.65,19.18),P=0.006],but was not more effective in HBsAg seroversion[2.0% vs 0,OR 3.55,95%CI(0.35,35.93),P=0.28]and alanine aminotransferase(ALT)normalization[24.2% vs 16.2%,OR 1.72,95% CI(0.84,3.52), P=0.14].Conclusions Interferon a may be efficacious in clearance of HBeAg,HBV DNA and HhsAg, and achievement of HBeAg seroversion.Little evidence is available on HBsAg seroversion and ALT normali zation.Rigorously designed large sample size randomized double blind clinical trials with large sample size are required to further confirm and support the conclusion.
10.Efficacy of recombinant bovine basic fibroblast growth factor in treatment of dry eye following phacoemulsification with IOL implantation
Yuanbin, LIU ; Zhonghua, WU ; Jun'er GUO ; Zhifeng, REN ; Huiping, DUAN ; Xia, SUN
Chinese Journal of Experimental Ophthalmology 2016;34(2):175-180
Background The study on eye surface damage following phacoemulsification with intraocular lens (IOL) implantation is increasingly concerned,and these symptoms were associated with dry eye and often treated by polyethylene glycol eyedrops to remit the discomfortableness.Recombinant bovine basic fibroblast growth factor (rb-bFGF) eyedrops contains neurotrophic factors, but its effect on eye surface damage is worth researching.Objective This study was to evaluate the repair effects of rb-bFGF on ocular surface injury after phacoemulsification with IOL implantation.Methods A randomized controlled trail was designed.Ninety eyes of 72 consecutive patients with age-related cataract were enrolled in Fenyang Hospital of Shanxi Province from September 2010 to August 2013 under the informed consent.Phacoemulsification with IOL implantation was performed on all the eyes, and tobramycin and dexamethasone eye drops was used for 15 days as basis therapy.According to the treatment sequence,the operative eyes were assigned to rb-bFGF eyedrops group, polyethylene glycol eyedrops group and basis therapy group.rb-bFGF drops and polyethylene glycol drops were topically administered 4 times per day since the first day after surgery for consecutive 30 days in corresponding group,and only basis therapy was maintained in the basis therapy grouply.Corneal fluorescence (FL) staining scores,breakup time of tear film (BUT) and Schirmer Ⅰ test (S Ⅰ t) without topical anesthesia were examined in 1 day before operation and 1 day,7 days, 15 days and 30 days after operation.The efficacy was intergrouply compared.Results No significant differences were seen in the demography and the relevant surface examinational outcomes among the rb-bFGF group, polyethylene glycol drops group and the basis therapy group before surgery (age : F =1.50;gender :x2 =0.336, both at > 0.05;FL : F =0.31;BUT:F =0.65;S Ⅰ t: F =0.57;all at P > 0.05).Compared with the before operation, FL scores were obviously increased,and BUT values were reduced and S Ⅰ t values were elavated in all the eyes early stage of surgey and then gradually improved with the lapse of postoperative time, showing significant differences (Ftime =7.83,7.32,7.17, all at P<0.01).The FL scores,BUT and S Ⅰ t in 15 days after surgery in the rb-bFGF drops group and 30 days after surgery in the polyethylene glycol drops group was closed to those of before surgery (all at P>0.05).However,there were still significant differences between the before and after operation in the basis were closed to those of before surgery therapy group (all at P<0.05).In addition, significant differences were found in corneal FL scores, BUT and S Ⅰ t among these three groups (Fgroup =5.08,4.15,4.61, all at P<0.05).In postoperative 15 days and 30 days, the S Ⅰ t values were (12.32±1.18) and (11.32±1.98) mm/5 rmin,which were significantly lower than (14.36±1.77) and (13.36±2.32) mm/5 min in the polyethylene glycol drops group and (17.25 ±2.24) and (13.25 ±2.53) mm/5 min in the basis therapy group (all at P < 0.05).Conclusions The topical application of rb-bFGF combined with tobramycin and dexamethasone eyedrops can improve the dry eye-related symptoms and promote the repair of the ocular surface injury after phacoemulsification with IOL implantation,and the clinical efficacy of rb-bFGF eyedrops is better than that of polyethylene glycol eyedrops or only tobramycin and dexamethasone eyedrops.