The alkanol solution of an ALKG may be used directly to convert the ALKG to ascorbic acid (Vitamin C).

所述ALKG链烷醇溶液可直接用于将ALKG转坏血酸(维生素C)。

The perservative in liquid beverage was extrcated with n-hexane.The hexane layer was subjected to cyclodextrine polymer resin colume.The colume was eluted with aqueous solution of ethanol.

用己烷萃取液体饮防腐剂，使萃取液经环糊精交联树脂分离后，用乙醇溶液洗脱。