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酒花制品中异α-酸浓度的测定方法
Spectrophotometric Analysis of Iso-α-acids in Hop Extract
【摘要】 采用分光光度法探索测定异α 酸、四氢异α 酸异构体、六氢异α 酸异构体等酒花制品中异α 酸的浓度 ,利用该方法对已知标准样品中异α 酸浓度进行检测 ,其重复性与精密度的结果表明 ,该方法的变异系数≤ 1 %,回收率在 99 8%~ 10 0 5 %之间 ;方法操作简单 ,可作为啤酒企业衡量评价异α 酸、四氢异α 酸异构体、六氢异α 酸异构体等酒花制品中异α 酸浓度的检测方法
【Abstract】 A spectrophotometric method for analyzing iso-α-acids was presented. It can be used to accurately measure the concentration of isomerized and reduced α-acids, such as tetrahydro-iso-α-acids, and hexahydro-iso-α-acids in hop extract. No method of spectrophotometric analysis on measuring the concentration of isomerized and reduced α-acids has been published in China.
- 【文献出处】 食品与发酵工业 ,Food and Fermentation Industries , 编辑部邮箱 ,2004年01期
- 【分类号】TS262.5
- 【被引频次】7
- 【下载频次】248