DETERMINATION OF GLYOXAL, METHYLGLYOXAL, DIACETHYL, AND 2,3-PENTANEDIONE IN FERMENTED FOODS BY HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY WITH FLUORESCENCE DETECTION

被引:50
作者
YAMAGUCHI, M [1 ]
ISHIDA, J [1 ]
ZHU, XX [1 ]
NAKAMURA, M [1 ]
YOSHITAKE, T [1 ]
机构
[1] CHEM INSPECT & TESTING INST,CTR CHEM BIOTESTING,HITA CITY,OITA 877,JAPAN
来源
JOURNAL OF LIQUID CHROMATOGRAPHY | 1994年 / 17卷 / 01期
关键词
D O I
10.1080/10826079408013445
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
A highly sensitive and rapid high-performance liquid chromatographic method for the determination of glyoxal, methylglyoxal, diacethyl, and 2,3-pentanedione in fermented foods is described. After extraction of the compounds with methanol, the compounds in the extract are converted into the corresponding fluorescent derivatives by reaction with 1,2-diamino-4,5-methylenedioxybenzene, a fluorogenic reagent for a-dicarbonyl compounds. The derivatives are separated on a reversed-phase column (L-column ODS) with isocratic elution using acetonitrile - 0.5M ammonium acetate, and are detected fluorimetrically. The detection limits are 11.6 - 13.8 fmol per 10-mu l injection for all the compounds at a signal to noise ratio of 3.
引用
收藏
页码:203 / 211
页数:9
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