摘要
研究了七叶鬼灯檠根状茎的挥发油及不同提取物的体外抑菌活性,为七叶鬼灯檠资源开发利用提供科学依据。采用滤纸片法和牛津杯法对七叶鬼灯檠根状茎挥发油及其甲醇、丙酮和乙酸乙酯提取物体外抑菌能力进行评价。结果表明,七叶鬼灯檠根状茎挥发油表现出较强的抑菌活性,对肺炎克雷伯氏菌抑制作用最强,其次为巨大芽孢杆菌和粘红酵母,抑菌圈直径分别为(29.11±0.31)、(26.77±0.35)、(26.20±0.62)mm。在不同溶剂提取物中,丙酮提取物和甲醇提取物均有明显的抑菌效果,解脂假丝酵母对提取物最敏感。七叶鬼灯檠的挥发油及提取物含有天然抑菌活性物质,具有光谱的抑菌效果,值得进一步开发利用。
Examined the antimicrobial activities of the essential oil and various extracts of Rodgersia aesculifolia Batalin. Disc diffusion method and agar well - diffusion method were used to evaluate the in vitro antimicrobial activities of the essential oil and various extracts（methanol extract,acetone extract and acetoacetate extract）of R. aesculifolia,respectively. The results indicated that the essential oil showed strong antimicrobial activity against Klebsiella pneumoniae subsp. Pneumoniae（with（29.11±0. 31）mm inhibition zone diameter）. The oil was found to possess high antimicrobial activities against Bacillus megaterium（26. 77±0.35）mm and Rhodotorula glatinis（26.20±0.62）mm. Among the different extracts,acetone and methanol extracts exhibited significant antimicrobial activities against all tested microbial species,especially against Candida lipolytica. The essential oil and extracts of R. aesculifolia has potential utilities as a natural antibacterial substance,and it is of worth for further study.
出处
《食品工业科技》
CAS
CSCD
北大核心
2013年第1期74-76,84,共4页
Science and Technology of Food Industry
基金
陕西省自然科学基金(2011K-16-02-01)
陕西省教育厅自然科学专项基金(11JK0610)
安康学院高层次人才专项基金(AYQDZR200926)
关键词
七叶鬼灯檠
挥发油
提取物
抑菌活性
Rodgersia aesculifolia Batalin
essential oil
extract
antimicrobial activity
