1、酒精本身就杀菌。经过科学实验，一些有害微生物即使在酒精含量10%的液体里,也不能生长繁殖，不产生有害物质。

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2、度数高的白酒化学变化会非常小，加上现在密封技术发达，所以不需要标注保质期。

portant; overflow-wrap: break-word !important;> 3、一些低度白酒不适合长期存放，因为即便白酒密封再好，也会因为长时间存放而“透气”，导致酒精挥发微生物繁殖，使酒“变味”。

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