TOCOPHEROL MICRO-EXTRACTION METHOD WITH APPLICATION TO QUANTITATIVE-ANALYSIS OF LIPOPHILIC NUTRIENTS

被引:21
作者
ABDOLLAHI, A
ROSENHOLTZ, NS
GARWIN, JL
机构
[1] Eggland's Best, Inc., King of Prussia, Pennsylvania, 19406-1404
关键词
TOCOPHEROLS; VITAMIN-E; EGGS; CHOLESTEROL; FATTY ACIDS;
D O I
10.1111/j.1365-2621.1993.tb04351.x
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
A method proposed for determining vitamin E consists of extraction with n-hexane/2-propanol and separation by normal-phase HPLC. It was used to monitor tocopherol content of eggs metabolically enriched with vitamin E. It accurately evaluated nutritional uniformity of many samples in a relatively short time. Chromatographic resolution showed alpha-tocopherol as the only major peak in the enriched eggs. Quantification with HPLC or GC demonstrated that the extraction technique could also be used to determine cholesterol and fatty acids. Results from eggs containing varied ratios of fatty acids indicate that the method did not differentially extract different types of fatty acids.
引用
收藏
页码:663 / 666
页数:4
相关论文
共 27 条
[1]   EXPRESSING DIETARY VALUES FOR FAT-SOLUBLE VITAMINS - CHANGES IN CONCEPTS AND TERMINOLOGY [J].
BIERI, JG ;
MCKENNA, MC .
AMERICAN JOURNAL OF CLINICAL NUTRITION, 1981, 34 (02) :289-295
[2]  
BOURGEOIS CF, 1984, J ASSOC OFF ANA CHEM, V67, P627
[3]   A MILD, RAPID, AND EFFICIENT METHOD OF LIPID EXTRACTION FOR USE IN DETERMINING VITAMIN-E LIPID RATIOS [J].
BURTON, GW ;
WEBB, A ;
INGOLD, KU .
LIPIDS, 1985, 20 (01) :29-39
[4]  
BUTTRISS JL, 1984, METHOD ENZYMOL, V105, P131, DOI 10.1016/S0076-6879(84)05018-7
[5]   GENDER AND DIETARY-FAT AFFECT ALPHA-TOCOPHEROL STATUS IN F344/N RATS [J].
CHEN, HW ;
COOK, LR ;
HENDRICH, S .
LIPIDS, 1992, 27 (11) :844-846
[6]   EXTRACTION AND QUANTITATION OF TOCOPHEROL IN RAW AND COOKED CHANNEL CATFISH [J].
ERICKSON, MC .
JOURNAL OF FOOD SCIENCE, 1991, 56 (04) :1113-1114
[7]  
ESTERBAUER H, 1987, J LIPID RES, V28, P495
[8]   DETERMINATION OF EGG-YOLK CHOLESTEROL CONTENT BY ON-COLUMN CAPILLARY GAS-CHROMATOGRAPHY [J].
FENTON, M ;
SIM, JS .
JOURNAL OF CHROMATOGRAPHY, 1991, 540 (1-2) :323-329
[9]  
HAKANSSON B, 1987, J MICRONUTR ANAL, V3, P307
[10]  
HUNG SSO, 1980, J ASSOC OFF ANA CHEM, V63, P889