The reduce of esters,the increase of acids,and the imbalance of the ratio of esters and acids are the main reasons for washy liquor taste and unpleasant liquor flavor after a period of storage.

• 酯类物质减少,酸类物质增加,酸酯比例失衡,是低度白酒贮存后口味淡薄、出现不愉快气味的主要原因。影响低度白酒水解的因素有:酒体溶解氧、酒体总酸含量、温度、光线、酒体乙醇分子与水分子的缔合度等。