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Fecal Streptococci on Barley and Malt Kernels and Instant Malted Milk Powder

机译:大麦和麦芽仁以及速溶麦芽奶粉上的粪链球菌

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摘要

Among 500 barley kernels, tested singly, 1.8% (9 kernels) were positive for fecal streptococci. Among 800 malt kernels, tested singly by the same procedure, 68% (540 kernels) were positive for fecal streptococci. In unsulfured and sulfured malts, 67 and 68% of the kernels, respectively, were positive for these bacteria. Fecal streptococci were also isolated by an enrichment procedure from two brands of instant malted milk powder sold in supermarkets. Seventy randomly picked isolates from malts were identified to be fecal streptococci, belonging probably to more than one species.
机译:在500个大麦粒中,单独测试的粪便链球菌阳性率为1.8%(9个粒)。在800粒麦芽中,通过相同的程序单独测试,其中68%(540粒)的粪便链球菌呈阳性。在未硫化和未硫化的麦芽中,分别有67%和68%的谷粒对这些细菌呈阳性反应。还通过浓缩程序从超市出售的两个品牌的速溶麦芽奶粉中分离出了粪便链球菌。从麦芽中随机挑选的70株分离物被鉴定为粪链球菌,可能属于一种以上。

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