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.
用正己
液体饮料中的防腐剂，使液经环糊精交联
脂分离后，用乙醇溶液洗脱。
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Science and technology They report in Proceedings of the National Academy of Sciences this week that even as the hornets gorged on the 80% ethanol solution they maintained normal lifespans, built ordinary nests and behaved as they usually did.
他们本周在《美
院院刊》上报告称， 即使大黄蜂喝下了 80% 的乙醇溶液，它们仍然保
着正常的寿命、建造了正常的巢穴， 并且行为举止与平常一样。
用于将ALKG转化为抗坏血酸(维生素C)。
