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[未切割生干肉制品的肠球菌研究]

[Enterococcal studies of uncut raw dried meat products].

作者信息

Gogov I, Ionova I, Mladenov M

出版信息

Vet Med Nauki. 1981;18(3):72-6.

PMID:7303487
Abstract

Studies were carried out on a total of 75 samples of raw-dried meat products of a compact type--dried beef, Gabrovska Keiser dried meat, pig salted neck, rolled meat Trapezitsa, V. Turnovo delicacy, and Elena fillet, to establish the amount of Staphylococcus bacteria. It was found that the enterococcus titer of this type of meat products varied from 10(-1) to 10(-4), depending on the product. Most strongly contaminated with enterococci proved the pig salted neck. The higher amounts of enterococci in the studied products as well as their higher resistance to the action of unfavourable factors (ph, NaCl, water content) showed their advantage over the coliform bacteria as sanitary-index organisms in raw-dried meat products of a compact type. Various ratios of all species of enterococci were established in these products. Str. faecius was most often found (32.44 per cent), followed by Str. faecalis (26.22 per cent), Str. faecalis var. liquefaciens (16.00 per cent), and Str. durans (12.00 per cent). Str. faecalis var. zymogenes (8.00 per cent) and Str. bovis (5.33 per cent) were isolated less frequently from some of the products only.

摘要

对75份紧实型生干肉制品样本进行了研究,这些产品包括牛肉干、加布罗夫斯卡·凯泽尔肉干、猪盐渍颈肉、梯形卷肉、V. 特尔诺沃美味肉和埃琳娜鱼片,以确定葡萄球菌的数量。结果发现,这类肉制品的肠球菌滴度从10的-1次方到10的-4次方不等,具体取决于产品。猪盐渍颈肉被证明受肠球菌污染最严重。在所研究的产品中,较高数量的肠球菌以及它们对不利因素(pH值、氯化钠、含水量)作用的较高抗性,表明它们在紧实型生干肉制品中作为卫生指标生物比大肠菌群更具优势。在这些产品中确定了各种肠球菌种类的不同比例。粪肠球菌最为常见(32.44%),其次是屎肠球菌(26.22%)、液化屎肠球菌变种(16.00%)和耐久肠球菌(12.00%)。发酵屎肠球菌变种(8.00%)和牛肠球菌(5.33%)仅从部分产品中较少分离得到。

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