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  • 标题:Antibiotics influence on lactic acid bacteria inhabiting gastrointestinal tract
  • 本地全文:下载
  • 作者:Čanžek Majhenič, Andreja ; Bogovič Matijašić, Bojana
  • 期刊名称:Mljekarstvo
  • 印刷版ISSN:0026-704X
  • 电子版ISSN:1846-4025
  • 出版年度:2001
  • 卷号:51
  • 期号:2
  • 页码:119-134
  • 出版社:Hrvatska Mljekarska Udruga
  • 摘要:Lactic acid bacteria (LAB) are common inhabitants of the gastrointestinal (GI) tract and have important role in maintaining the equilibrium of GI flora, which can be influenced by various factors like diets, antimicrobials and stress. Minimal inhibitory concentrations (MIC) and minimal bactericidal concentrations (MBC) of 6 antibiotics, commonly used in human medicine for 8 selected lactobacilli strains were determined by macrodilution and microdilution methods in liquid media and by diffusion method on agar plates. The effects of Penicillin G and Ampicillin on intestinal LAB were tested in vivo on mice as well. Lactobacilli were sensitive to Penicillin G, (penicillines and their derivatives) and Erythromycin (macrolides) by in vitro testing. Clyndamycin (pyranosid) showed moderate inhibitory effect. All lactobacilli strains were resistant to Kanamycin and Neomycin (aminoglycosides), while L. salivarius IM 124 has shown extra resistance to Erythromycin and Clyndamycin. The influence of orally administered Ampicillin showed no significant influence on LAB count in mice faeces. The effect of Penicillin G on mice LAB total count was significant, while no effect of orally administered lactobacilli was determined.
  • 关键词:antibiotics; inhibitory effect; lactic acid bacteria; gastrointestinal tract
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