| 摘要 |
<p num="1"><br/><br/><br/>Provided is a test system, a test method and a test kit for the determination <br/>of the presence of an antibiotic in a fluid based on a test medium comprising <br/>a test organism, at least one substance that provides a solid state, nutrients <br/>and an indicator, wherein the end-pH of said test medium at or after the time <br/>required for said determination is equal to or higher than 7.2 Said pH value <br/>can be realized by adding oligosaccharides, preferably a disaccharide or <br/>trisaccharide (eg. Lactose, gentobiose, maltotriose). Most preferably, said <br/>oligosaccharide is a non-reducing oligosaccharide (eg. Raffinose, sucrose or <br/>trehalose). .<br/>
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