Inactivation Effect Of High Pressure Combined Heating On Spores Germination In Different Medium
2010
以磷酸缓冲液(pH=6.7)及经过凝结芽孢杆菌(BC)和嗜热脂肪芽孢(BS)杆菌人工污染的牛奶、鸡腿菇、卤牛肉为对象,分别测定压热处理后的细菌菌落总数.结果显示:在磷酸缓冲液中BC在初温为50℃时(保压5 min)发芽率为2.05个数量级,BS在初温为60℃时发芽率为2.13个数量级;温度升高30℃时(保压时间10min)BC的发芽率增加了1.4个数量级,BS增加了近2个数量级而压力增加100 M...
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