食品科学 ›› 2006, Vol. 27 ›› Issue (9): 219-222.

• 分析检测 • 上一篇    下一篇

反相离子对色谱法测定啤酒中的嘌呤类物质

 林先军,  李永仙,  李崎,  武千钧,  董建军,  顾国贤   

  1. 江南大学教育部工业生物技术重点实验室; 青岛啤酒股份有限公司科研中心;
  • 出版日期:2006-09-15 发布日期:2011-10-20

Determination of Purine Compounds in Beer by Reversed-phase Ion Pair Chromatography

LIN  Xian-Jun,   Li-Yong-Xian,   Li-Qi,   Wu-Qian-Jun,   Dong-Jian-Jun,   Gu-Guo-Xian   

  1. 1.Key Laboratory of Industrial Biotechnology, Ministry of Education, Southern Yangtze University, Wuxi 214036, China;2.Center of Research and Development, Tsingtao Brewery Co. Ltd., Qingdao 266061, China
  • Online:2006-09-15 Published:2011-10-20

摘要: 利用反相离子对色谱法(RP-IPC)对啤酒中的腺嘌呤(Ade)、鸟嘌呤(Gua)、黄嘌呤(Xan)和次黄嘌呤(Hyp)等4种嘌呤类物质的测定方法进行了研究。结果表明,当检测波长254nm,流动相为水:甲醇:冰乙酸:四丁基氢氧化铵为883.5:100:15:1.5(V/V/V/V),流速为1ml/min时,方法精密度为1.41%~2.42%,测得四种嘌呤物质的回收率在91.2%~100.3%之间。啤酒中的含嘌呤类物质需要经高氯酸水解成嘌呤,经优化的水解条件为啤酒:高氯酸为1:2、100℃水解30min。

关键词: 啤酒, 反相离子对色谱, 嘌呤类物质, 水解

Abstract: Four purine bases were separated by reversed-phase ion pair chromatography. The optimized conditions were: 254 nm by UV detector with water: methyl alcohol :acetic actd: tetrabutylammonium hydroxide (883.5:100:15:1.5 respectively) as mobile phase and flow rate at 1ml/min. The average recoveries of four purine bases was 91.2%~100.3%, with the accuracy of the method as RSD of all four purine bases around 1.41%~2.42%. Purine compounds in beer were pre-hydrolyzed to purines by perchlorate acid, with the optimal conditions as beer: perchlorate acid (1:2) for 30min at 100℃.

Key words: beer, reversed-phase ion pair chromatography, purine, hydrolysis