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帕斯卡酸奶的保质期为什么这么长

更新时间: 2020-06-30 00:00:00     

帕斯卡酸奶产品注明是非还原乳,采用巴氏灭菌。巴氏灭菌是比较柔和的灭菌方法,保留了牛奶经乳酸菌发酵过后的有易物质,灭菌后当然活性的乳酸菌就被消灭掉了,杀菌处理之后,还会在包装里填充氮气,创造一个无氧环境,抑制细菌的滋生。所以也就不用冷藏,常温保存就行了,之所以保质期那么长,

关键词: 酸奶 保质期 为什么 这么

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