[目的]研究迷迭香挥发油的成分及其抑菌活性。[方法]用水蒸气蒸馏法提取迷迭香挥发油,采用GC-MS联用技术分析了挥发油的化学成分,用滤纸片法测其抑菌活性,用平板稀释法测其最小抑菌浓度。[结果]迷迭香挥发油提取率为2.27%,从迷迭香挥发...[目的]研究迷迭香挥发油的成分及其抑菌活性。[方法]用水蒸气蒸馏法提取迷迭香挥发油,采用GC-MS联用技术分析了挥发油的化学成分,用滤纸片法测其抑菌活性,用平板稀释法测其最小抑菌浓度。[结果]迷迭香挥发油提取率为2.27%,从迷迭香挥发油中分离鉴定出20种化合物,占挥发油总量的99.5%,其主要化学成分为α-蒎烯和1,8-桉叶油素,分别占43.36%和32.10%;挥发油对多种菌株均有抑菌效果,对金黄色葡萄球菌、大肠杆菌、枯草杆菌、黑曲霉、黄曲霉和桔青霉的最小抑菌浓度分别为:5、80、80、10、20和10 m l/L。[结论]迷迭香挥发油具有广谱的抗菌性。展开更多
Objective:To determine the antimicrobial activity of rosemary(Rosmarinus of ficinalis L.) and to investigate the synergistic effects of this extract combined with ceforuxime against methicillinresistant Staphylococcus...Objective:To determine the antimicrobial activity of rosemary(Rosmarinus of ficinalis L.) and to investigate the synergistic effects of this extract combined with ceforuxime against methicillinresistant Staphylococcus aureus(MRSA).Methods:The inhibitory and bactericidal activities of rosemary ethanol extract,alone and in combination with cefuroxime,were studied.Results:The minimum inhibitory concentrations(MICs) of the ethanol extract of rosemary were in the range of 0.39-3.13 mg/mL.The minimum bactericidal concentrations(MBCs) were usually equal to or double that MICs.The antimicrobial activity of combinations of the ethanol extract of rosemary and cefuroxime indicated their synergistic effects against all MRSAs.Conclusions:The present work clearly demonstrates that rosemary has a key role in the elevation of susceptibility toβ-lactams.展开更多
文摘[目的]研究迷迭香挥发油的成分及其抑菌活性。[方法]用水蒸气蒸馏法提取迷迭香挥发油,采用GC-MS联用技术分析了挥发油的化学成分,用滤纸片法测其抑菌活性,用平板稀释法测其最小抑菌浓度。[结果]迷迭香挥发油提取率为2.27%,从迷迭香挥发油中分离鉴定出20种化合物,占挥发油总量的99.5%,其主要化学成分为α-蒎烯和1,8-桉叶油素,分别占43.36%和32.10%;挥发油对多种菌株均有抑菌效果,对金黄色葡萄球菌、大肠杆菌、枯草杆菌、黑曲霉、黄曲霉和桔青霉的最小抑菌浓度分别为:5、80、80、10、20和10 m l/L。[结论]迷迭香挥发油具有广谱的抗菌性。
文摘Objective:To determine the antimicrobial activity of rosemary(Rosmarinus of ficinalis L.) and to investigate the synergistic effects of this extract combined with ceforuxime against methicillinresistant Staphylococcus aureus(MRSA).Methods:The inhibitory and bactericidal activities of rosemary ethanol extract,alone and in combination with cefuroxime,were studied.Results:The minimum inhibitory concentrations(MICs) of the ethanol extract of rosemary were in the range of 0.39-3.13 mg/mL.The minimum bactericidal concentrations(MBCs) were usually equal to or double that MICs.The antimicrobial activity of combinations of the ethanol extract of rosemary and cefuroxime indicated their synergistic effects against all MRSAs.Conclusions:The present work clearly demonstrates that rosemary has a key role in the elevation of susceptibility toβ-lactams.
