Fatty acid composition of soybean/sunflower mix oil, fish oil and butterfat applying the AOCS Ce 1j-07 method with a modified temperature program
Gas-Liquid Chromatography (GLC) methods such as AOAC Fat in foods 966.06 (2005), AOCS Official Methods Ce 1h-05 (2005), Ce 1j-07 (2007), allow for analyzing the fatty acids (FAs) in dietary fats using highly polar liquid phase capillary columns. However, there are still difficulties in completely se...
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doaj-61a5abdd82c44bb19ea55898f93562812021-05-05T07:28:19ZengConsejo Superior de Investigaciones CientíficasGrasas y Aceites0017-34951988-42142015-03-01661e064e06410.3989/gya.06921411497Fatty acid composition of soybean/sunflower mix oil, fish oil and butterfat applying the AOCS Ce 1j-07 method with a modified temperature programL. Masson0T. Alfaro1C. Camilo2A. Carvalho3P. Illesca4R. Torres5M. Tavares do Carmo6J. Mancini-Filho7C. Bernal8Centro de Investigación y Desarrollo en Grasas y Aceites. CIDGRA, Universidad de Chile - Instituto de Nutrição Josué de Castro, Universidade Federal do Rio de JaneiroInstituto Costarricense de Investigación y Enseñanza en Nutrición y Salud (INCIENSA)Centro de Investigación y Desarrollo en Grasas y Aceites - CIDGRA, Universidad de ChileInstituto de Nutrição Josué de Castro, Universidade Federal do Rio de JaneiroBromatología y Nutrición, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del LitoralFaculdade de Ciências Farmacêuticas, Universidade de São PauloInstituto de Nutrição Josué de Castro, Universidade Federal do Rio de JaneiroFaculdade de Ciências Farmacêuticas, Universidade de São PauloBromatología y Nutrición, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del LitoralGas-Liquid Chromatography (GLC) methods such as AOAC Fat in foods 966.06 (2005), AOCS Official Methods Ce 1h-05 (2005), Ce 1j-07 (2007), allow for analyzing the fatty acids (FAs) in dietary fats using highly polar liquid phase capillary columns. However, there are still difficulties in completely separating butiric acid from solvent, FA critical pairs with similar polarity, conjugated linoleic acid (CLA) isomers, and long chainpolyunsaturated FAs (LC-PUFAs). Therefore, the selection of the temperature program to be employed is important. This work aimed to improve the AOCS Ce 1j-07 Method for the FA composition of a mixture of soybean and sunflower oil, fish oil, and butterfat, using a modified temperature program, tested among five laboratories. It takes more time, but it allows to completely separate butyric acid from the solvent, trans-18:1 from cis-18:1, 20:1 isomers from 18:3 n-3, 22:1 n-9 from 20:4 n-6, 20:5 n-3 from 24:0 and the main CLA isomers, thus permitting FA quantification in fats and oils for different purposes such as nutritional labeling, quality control and research.http://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/1529aocs ce 1j-07 methodbutterfatfatty acid compositionfish oil – soybean/sunflower oil mixture |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
L. Masson T. Alfaro C. Camilo A. Carvalho P. Illesca R. Torres M. Tavares do Carmo J. Mancini-Filho C. Bernal |
spellingShingle |
L. Masson T. Alfaro C. Camilo A. Carvalho P. Illesca R. Torres M. Tavares do Carmo J. Mancini-Filho C. Bernal Fatty acid composition of soybean/sunflower mix oil, fish oil and butterfat applying the AOCS Ce 1j-07 method with a modified temperature program Grasas y Aceites aocs ce 1j-07 method butterfat fatty acid composition fish oil – soybean/sunflower oil mixture |
author_facet |
L. Masson T. Alfaro C. Camilo A. Carvalho P. Illesca R. Torres M. Tavares do Carmo J. Mancini-Filho C. Bernal |
author_sort |
L. Masson |
title |
Fatty acid composition of soybean/sunflower mix oil, fish oil and butterfat applying the AOCS Ce 1j-07 method with a modified temperature program |
title_short |
Fatty acid composition of soybean/sunflower mix oil, fish oil and butterfat applying the AOCS Ce 1j-07 method with a modified temperature program |
title_full |
Fatty acid composition of soybean/sunflower mix oil, fish oil and butterfat applying the AOCS Ce 1j-07 method with a modified temperature program |
title_fullStr |
Fatty acid composition of soybean/sunflower mix oil, fish oil and butterfat applying the AOCS Ce 1j-07 method with a modified temperature program |
title_full_unstemmed |
Fatty acid composition of soybean/sunflower mix oil, fish oil and butterfat applying the AOCS Ce 1j-07 method with a modified temperature program |
title_sort |
fatty acid composition of soybean/sunflower mix oil, fish oil and butterfat applying the aocs ce 1j-07 method with a modified temperature program |
publisher |
Consejo Superior de Investigaciones Científicas |
series |
Grasas y Aceites |
issn |
0017-3495 1988-4214 |
publishDate |
2015-03-01 |
description |
Gas-Liquid Chromatography (GLC) methods such as AOAC Fat in foods 966.06 (2005), AOCS Official Methods Ce 1h-05 (2005), Ce 1j-07 (2007), allow for analyzing the fatty acids (FAs) in dietary fats using highly polar liquid phase capillary columns. However, there are still difficulties in completely separating butiric acid from solvent, FA critical pairs with similar polarity, conjugated linoleic acid (CLA) isomers, and long chainpolyunsaturated FAs (LC-PUFAs). Therefore, the selection of the temperature program to be employed is important. This work aimed to improve the AOCS Ce 1j-07 Method for the FA composition of a mixture of soybean and sunflower oil, fish oil, and butterfat, using a modified temperature program, tested among five laboratories. It takes more time, but it allows to completely separate butyric acid from the solvent, trans-18:1 from cis-18:1, 20:1 isomers from 18:3 n-3, 22:1 n-9 from 20:4 n-6, 20:5 n-3 from 24:0 and the main CLA isomers, thus permitting FA quantification in fats and oils for different purposes such as nutritional labeling, quality control and research. |
topic |
aocs ce 1j-07 method butterfat fatty acid composition fish oil – soybean/sunflower oil mixture |
url |
http://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/1529 |
work_keys_str_mv |
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