斐林试剂法测定还原糖方法的改进  

Improvement of the determination of reducing sugar with Fehling's reagent method

作　　者：杨林娥 彭晓光[1] 杨庆文[1] 杨宇霞[1] 赵欣[1] 

机构地区：[1]山西省生物研究所,山西太原030006

出　　处：《中国酿造》2010年第5期160-161,共2页China Brewing

基　　金：山西省工业科技攻关项目(20090321098)

摘　　要：采用GB19777-2005测定山西老陈醋还原糖含量的过程中,发现有时终点现象不明显,结果数据不准确。试验对测定方法中斐林试剂的配比进行了改进,结果表明:改进试剂配方后终点现象明显,测定数据精密度和准确度均较高。When contents of reducing sugar in Shanxi overmature vinegar were determined with GB19777-2005, sometimes the results were not accurate due to ending point was not clear. Ratios of Fehling＇s reagent used for determination was improved in the study. It showed that improved reagent brought apparent phenomenon and had high precision and accuracy.

关 键 词：山西老陈醋 还原糖 斐林试剂 

分 类 号：O656.3[理学—分析化学]