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首页> 外文期刊>Archiv fur Lebensmittelhygiene >Occurrence and antibiotic resistance of enterococci in variousready-to-eat foods
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Occurrence and antibiotic resistance of enterococci in variousready-to-eat foods

机译：各种即食食品中肠球菌的发生和耐药性

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摘要

135 samples of various ready-to-eat foods were quantitatively analysed for enterococci and additionally screened for vancomycin resistant strains (VRE). From each enterococci - positive sample, 1 to 5 isolates were biochemically typed and tested for susceptibility to 12 antibiotics. Frequencies of resistance to penicillin, teicoplanin and vancomycin were compared with those found for enterococci of clinical origin. In 69 foods found to be contaminated with enterococci, no VRE were detected. Resistance frequencies to penicillin were massively higher in clinical than in food enterococci. This finding supported the current opinion that antibiotic resistance is first of all a medical problem. However, ready-to-eat foods can be contaminated with highly resistant enterococci. Three isolates of E. faecium, found in 3 samples of 2 types of raw meat sausages of the same caterer, harboured 7 reistances. Furthermore, E. faecalis isolates with identical resistance pattern (CHVERY/TET) were found in 5 different cheeses purchased at 5 selling locations. The obtained data suggest further epidemiological studies with particular milk and meat products. Such studies might help to better understand how multiresistant bacteria spread along the food chain, and they could also show to what extent such germs enter the clinical environment.
机译：对135种各种即食食品样品进行了肠球菌定量分析，并另外筛选了耐万古霉素菌株（VRE）。从每个肠球菌阳性样品中，对1至5个分离株进行生化分型，并测试其对12种抗生素的敏感性。将对青霉素，替考拉宁和万古霉素的耐药频率与临床起源的肠球菌的耐药频率进行比较。在发现被肠球菌污染的69种食物中，未检测到VRE。临床上对青霉素的耐药率大大高于食物中的肠球菌。这一发现支持了目前的观点，即抗生素耐药性首先是医学问题。但是，即食食品可能会被高度耐药的肠球菌污染。在同一承办酒席的2种生肉香肠的3种样品中发现的三种粪肠球菌具有7种抗性。此外，在5个销售地点购买的5种不同奶酪中发现了具有相同抗性模式（CHVERY / TET）的粪肠球菌。获得的数据表明对特定的牛奶和肉类产品进行了进一步的流行病学研究。此类研究可能有助于更好地了解耐多药细菌如何在食物链中传播，还可以表明这些细菌在多大程度上进入临床环境。

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