Objective:To assess the in-vitro antihacterial activity and anti-inflammatory activity of orally administered different extracts(Hydro-alcoholic,methanolic,ethyl acetate and hexane)of Rauvolfia tetraphylla(R.tetraphyl...Objective:To assess the in-vitro antihacterial activity and anti-inflammatory activity of orally administered different extracts(Hydro-alcoholic,methanolic,ethyl acetate and hexane)of Rauvolfia tetraphylla(R.tetraphylla)root bark in Carrageetiaii induced acute inflammation in rats.Methods:In-vitro antibacterial activity was evaluated for extracts against four Gram positive and four Gram negative bacteria by using cylinder plate assay.Hydro-alcoholic extract(70%v/v ethanol)at 200,400 and 800 mg/kg doses and methanolic,ethyl acetate and hexane extracts at doses 100,200 and 400 mg/kg were tested for anti-inflammatory activity in Carrageenan induced rat paw oedema model and paw thickness was measured every one hour up to 6 hrs.Results:All extracts of R.tetraphylla root bark showed good zone of inhibition against tested bacterial strains.In Carrageenan induced inflammation model,hydro-alcoholic and methanolic extract of R.tetraphylla root bark at three different doses produced significant(P<0.00l)reduction when compared to vehicle treated control group and hexane,ethyl acetate extracts.Conclusions:In the present study extracts of R.tetraphylla root bark shows good in-vitro antibacterial activity and in-vivo anti-inflammatory activity in rats.展开更多
目的：观察替加环素（TGC）、米诺环素（MH）和多黏菌素 B（PB）对泛耐药鲍曼不动杆菌（PDR-Ab）的体外抗菌活性，为临床治疗和控制感染提供参考依据。方法对2013年10月至2014年3月陕西省人民医院住院及门诊患者临床标本分离并鉴定的非...目的：观察替加环素（TGC）、米诺环素（MH）和多黏菌素 B（PB）对泛耐药鲍曼不动杆菌（PDR-Ab）的体外抗菌活性，为临床治疗和控制感染提供参考依据。方法对2013年10月至2014年3月陕西省人民医院住院及门诊患者临床标本分离并鉴定的非重复计数的76株泛耐药鲍曼不动杆菌进行替加环素、米诺环素和多黏菌素 B 的纸片扩散法（K-B）药敏试验。结果泛耐药鲍曼不动杆菌分布最多的是 ICU，占总数的44．7％，其次是呼吸内科，占总数的22．4％。标本来源最多的是痰液，占总数的85．5％，其次是灌洗液，占总数的9．2％，尿液、脑脊液、关节液和腹腔积液各占总数的1．3％。76株泛耐药鲍曼不动杆菌，对替加环素和多黏菌素 B 的敏感率均为100％，对米诺环素敏感率和中介率分别为67．11％和27．63％。结论替加环素、米诺环素和多黏菌素 B 对泛耐药鲍曼不动杆菌具有良好的体外抗菌活性，可为临床泛耐药鲍曼不动杆菌引起的感染性疾病的治疗提供参考依据。展开更多
文摘Objective:To assess the in-vitro antihacterial activity and anti-inflammatory activity of orally administered different extracts(Hydro-alcoholic,methanolic,ethyl acetate and hexane)of Rauvolfia tetraphylla(R.tetraphylla)root bark in Carrageetiaii induced acute inflammation in rats.Methods:In-vitro antibacterial activity was evaluated for extracts against four Gram positive and four Gram negative bacteria by using cylinder plate assay.Hydro-alcoholic extract(70%v/v ethanol)at 200,400 and 800 mg/kg doses and methanolic,ethyl acetate and hexane extracts at doses 100,200 and 400 mg/kg were tested for anti-inflammatory activity in Carrageenan induced rat paw oedema model and paw thickness was measured every one hour up to 6 hrs.Results:All extracts of R.tetraphylla root bark showed good zone of inhibition against tested bacterial strains.In Carrageenan induced inflammation model,hydro-alcoholic and methanolic extract of R.tetraphylla root bark at three different doses produced significant(P<0.00l)reduction when compared to vehicle treated control group and hexane,ethyl acetate extracts.Conclusions:In the present study extracts of R.tetraphylla root bark shows good in-vitro antibacterial activity and in-vivo anti-inflammatory activity in rats.
文摘目的：观察替加环素（TGC）、米诺环素（MH）和多黏菌素 B（PB）对泛耐药鲍曼不动杆菌（PDR-Ab）的体外抗菌活性，为临床治疗和控制感染提供参考依据。方法对2013年10月至2014年3月陕西省人民医院住院及门诊患者临床标本分离并鉴定的非重复计数的76株泛耐药鲍曼不动杆菌进行替加环素、米诺环素和多黏菌素 B 的纸片扩散法（K-B）药敏试验。结果泛耐药鲍曼不动杆菌分布最多的是 ICU，占总数的44．7％，其次是呼吸内科，占总数的22．4％。标本来源最多的是痰液，占总数的85．5％，其次是灌洗液，占总数的9．2％，尿液、脑脊液、关节液和腹腔积液各占总数的1．3％。76株泛耐药鲍曼不动杆菌，对替加环素和多黏菌素 B 的敏感率均为100％，对米诺环素敏感率和中介率分别为67．11％和27．63％。结论替加环素、米诺环素和多黏菌素 B 对泛耐药鲍曼不动杆菌具有良好的体外抗菌活性，可为临床泛耐药鲍曼不动杆菌引起的感染性疾病的治疗提供参考依据。
