“保质期”这个词常见于食品包装标识上,是消费者购买食品时主要关注的标识信息。一般来讲,确定食物保质期需要从两个方面考虑,一个是食用品质,比如外观、颜色、口感、味道等,保质期内的食物,其食用品质不应有明显的劣变,例如:保质期内的面包不会显著干硬。另外一个方面是卫生品质,生产实 “Shelf life ” the term common in food packaging logo, is the main concern of consumers when buying food identification information. In general, to determine the shelf life of food from two aspects to consider, one is the edible quality, such as appearance, color, taste, taste, shelf life of food, its quality should not be significantly deteriorated, such as: shelf life Bread will not be significantly dry and hard. Another aspect is the health quality, production reality