氯化钠和pH值对肠炎沙门氏菌PT4生长的影响。
The influence of sodium chloride and pH on the growth of Salmonella enteritidis PT4.
作者信息
Radford S A, Board R G
机构信息
School of Biology and Biochemistry, University of Bath, Avon, UK.
出版信息
Lett Appl Microbiol. 1995 Jan;20(1):11-3. doi: 10.1111/j.1472-765x.1995.tb00396.x.
Sodium or potassium chlorides at concentrations of ca 2.0% (w/v) stimulated the growth of Salmonella enteritidis PT4 and PT6 but not PT8 in nutrient broth acidified to < or = 5.5 with acetic but not with citric, propionic or hydrochloric acids. Stimulation was noted also with an acidified defined medium. The most pronounced stimulation occurred with incubation at 37 degrees C. Supplementation of acidified nutrient broth with sucrose or glycerol had no effect on the growth of salmonellas.
在用乙酸而非柠檬酸、丙酸或盐酸酸化至pH≤5.5的营养肉汤中，浓度约为2.0%（w/v）的氯化钠或氯化钾可刺激肠炎沙门氏菌PT4和PT6的生长，但对PT8无刺激作用。在酸化的限定培养基中也观察到了这种刺激作用。在37℃培养时刺激作用最为明显。向酸化的营养肉汤中添加蔗糖或甘油对沙门氏菌的生长没有影响。
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