《中国畜牧兽医》 ›› 2016, Vol. 43 ›› Issue (8): 2170-2175.doi: 10.16431/j.cnki.1671-7236.2016.08.033

• 疾病防治 • 上一篇    下一篇

中药野菊花提取物与抗菌药联合对产ESBLs大肠杆菌抑制效果研究

孙燕杰, 吴永继, 刘增援, 胡梅, 赵雨川, 黄凯, 司红彬   

  1. 广西大学动物科学技术学院, 南宁 530005
  • 收稿日期:2015-12-14 出版日期:2016-08-20 发布日期:2016-08-23
  • 通讯作者: 司红彬 E-mail:zhuli_2009@163.com
  • 作者简介:孙燕杰(1990-),男,山东东营人,硕士,研究方向:中兽药,E-mail:sunyj90@163.com
  • 基金资助:

    国家自然科学基金(31460675);广西自然基金面上项目(2013GXNSFAA019070);南宁市科技攻关项目(20141295);广西大学大学生创新训练项目(140)

Antibacterial Effect of Aqueous Extract of Chrysanthemum indicum L.Combined with Antibiotics on Extended Spectrum β-lactamases-producing Escherichia coli

SUN Yan-jie, WU Yong-ji, LIU Zeng-yuan, HU Mei, ZHAO Yu-chuan, HUANG Kai, SI Hong-bin   

  1. College of Animal Sciences and Technology, Guangxi University, Nanning 530005, China
  • Received:2015-12-14 Online:2016-08-20 Published:2016-08-23

摘要:

试验旨在探讨野菊花提取物与抗菌药联合作用对产超广谱β-内酰胺酶(extended spectrum β-lactamases, ESBLs)大肠杆菌的体外抑制效果,为野菊花的进一步开发利用提供理论依据。采用2倍微量稀释法和中西药联合诱导传代法测定野菊花提取物、抗菌药及联合作用后的最小抑菌浓度(minimal inhibitory concentration,MIC)。结果显示,野菊花水提物对该耐药大肠杆菌的MIC值为250 mg/mL,且在野菊花水提物亚抑菌浓度(1/2 MIC)作用下进行中西药联合传代,其与头孢曲松钠、头孢噻呋钠、头孢噻肟钠、氟苯尼考、痢菌净、阿米卡星、林可霉素7种抗菌药联合作用后,抗菌药的MIC值明显降低。表明野菊花水提物能够显著降低产ESBLs大肠杆菌对部分抗菌药的敏感性。

关键词: 野菊花; 超广谱β -内酰胺酶; 大肠杆菌; 联合传代; 抑菌效果

Abstract:

The experiment was done to investigate the antibacterial effect of aqueous extract from Chrysanthemum indicum L. combined with antibiotics on extended spectrum β-lactamases (ESBLs)-producing E. coli,and aimed to offer theoretical basis for its further development.The ESBLs-producing E.coli was induced to passage by combining Chinese herbal medicine with antibacterial drugs.Then the minimal inhibitory concentration (MIC) of medicines were determined with double microdilution method.The results showed that the MIC of Chrysanthemum indicum L.aqueous extract was 250 mg/mL.And the MIC of ceftriaxone,ceftiofur sodium,cefotaxime,florfenicol,mequindox,amikacin and lincomycin decreased significantly after combining with 1/2 MIC of Chrysanthemum indicum L.aqueous extract.This research showed that aqueous extract Chrysanthemum indicum L.could increase the antibiotic sensitivity of the ESBLs-producing E.coli.

Key words: Chrysanthemum indicum L.; ESBLs; E.coli; drug combination; antibacterial effect

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