FT-IR based methodology for quantitation of total tocopherols, tocotrienols and plastochromanol-8 in vegetable oils

被引：51
|
作者：
Ahmed, MK
Daun, JK
Przybylskic, R
机构：
[1] Lynn Univ, Coll Arts & Sci, Boca Raton, FL 33463 USA
[2] Oilseeds Lab, Canadian Grain Commiss, Winnipeg, MB R2C 3G8, Canada
[3] Univ Manitoba, Dept Human Nutr Sci, Winnipeg, MB R3T 2N2, Canada
来源：
JOURNAL OF FOOD COMPOSITION AND ANALYSIS | 2005年 / 18卷 / 05期
关键词：
infra-red spectrum; vegetable oils; tocopherols; tocotrienols; plastochromanol-8; chromanols; partial least-squares analysis;
D O I：
10.1016/j.jfca.2003.12.008
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Fingerprint infra-red spectra of oils from several samples of canola, flax, soybean and sunflower seeds were recorded. The tocopherols, tocotrienols and plastochromanol-8, cumulatively called chromanols, amounts were determined with high-pressure liquid chromatography (HPLC). The sum of tocopherols, tocotrienols and plastochromanol-8 amounts and the infra-red spectra were subjected to partial least-squares analysis. Excellent correlation was obtained between the calculated and experimental values. The developed methodology may provide an alternative method for rapidly scanning vegetable oils for vitamin E type molecules. (C) 2004 Elsevier Inc. All rights reserved.
引用
收藏
页码：359 / 364
页数：6
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