金黄色葡萄球菌产生肠毒素A和生长所需的最低水分活度。
Minimal water activity for enterotoxin A production and growth of Staphylococcus aureus.
作者信息
Lotter L P, Leistner L
出版信息
Appl Environ Microbiol. 1978 Aug;36(2):377-80. doi: 10.1128/aem.36.2.377-380.1978.
Abstract
The minimal water activity (alphaw) for growth was correlated with enterotoxin A formation by two strains of Staphylococcus aureus in a salt mixture broth. Within 7 days at 30 degrees C both strains grew and formed enterotoxin A minimally between alphaw 0.864 and 0.867, but at 25 degrees C, the minimal alphaw for both activities was increased to between 0.870 and 0.887 after a 2-week incubation.
摘要
在盐混合肉汤中，两株金黄色葡萄球菌生长所需的最低水分活度（αw）与肠毒素A的形成相关。在30℃下培养7天内，两株菌均生长并在αw为0.864至0.867之间时最低限度地形成肠毒素A，但在25℃下，经过2周培养后，两种活性的最低αw均增加至0.870至0.887之间。
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