DIN 10163-2-1985 肉和肉制品微生物检验.凝结阳性葡萄球菌检定.滴板法

标准号：DIN 10163-2-1985
中文标准名称：肉和肉制品微生物检验.凝结阳性葡萄球菌检定.滴板法
英文标准名称：Microbiological examination of meat and meat products; determination of coagulase-positive staphylococci; by the drop method
标准类型：C53;X22
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：C53;X22
国际标准分类号：07.100.30
适用范围：This standard specifies a method for the enumeration of coagulase-positive staphylococci with a drop plating method. It is applicable to meat and meat products, and products which contain meat or meat products.Subdivision of agar plates with a selective culture medium in sectors. Drop by drop inoculation of the sectors with partial volumes of 0,5 ml of the undiluted homogenizied sample or the initial suspension and the further dilutions. Incubation of the plates at 37 ?for 24 h to 48 h under aerobic conditions. Calculation of the number of coagulase-positive staphylococci per g or ml of sample from the percentage of the colonies grown on the sectors and confirmed as coagulase-positive.