Oxidative stability of structured lipids produced from borage ( Borago officinalis L.) and evening primrose ( Oenothera biennis L.) oils with docosahexaenoic acid
Abstract This study utilized γ‐linolenic acid (18∶3n−6; GLA)‐rich borage oil (BO) and evening primrose oil (EPO) for the synthesis of structured lipids (SL) and compared the oxidative stability of the products with those of unmodified BO and EPO as controls. Immobilized Novozym 435 lipase from Candi...
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crwiley:10.1007/s11746-002-0594-3 2024-06-02T07:57:33+00:00 Oxidative stability of structured lipids produced from borage ( Borago officinalis L.) and evening primrose ( Oenothera biennis L.) oils with docosahexaenoic acid Namal Senanayake, S. P. J. Shahidi, Fereidoon 2002 http://dx.doi.org/10.1007/s11746-002-0594-3 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1007%2Fs11746-002-0594-3 https://onlinelibrary.wiley.com/doi/full/10.1007/s11746-002-0594-3 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Journal of the American Oil Chemists' Society volume 79, issue 10, page 1003-1013 ISSN 0003-021X 1558-9331 journal-article 2002 crwiley https://doi.org/10.1007/s11746-002-0594-3 2024-05-03T11:09:36Z Abstract This study utilized γ‐linolenic acid (18∶3n−6; GLA)‐rich borage oil (BO) and evening primrose oil (EPO) for the synthesis of structured lipids (SL) and compared the oxidative stability of the products with those of unmodified BO and EPO as controls. Immobilized Novozym 435 lipase from Candida antarctica was used as the biocatalyst for SL production. BO or EPO eas enzymatically modified with docosahexaenoic acid (22∶6n−3; DHA), as the acyl donor, to produce SI. The SI were characterized and their oxidative stabilities evaluated. Among the oils examined, SL gave rise to higher quantities ( P ≤0.05) of conjugated dienes, TBARS, and headspace volatiles as compared to their unmodified counterparts. Results indicated that modified oils were less stable than their unmodified counterparts. The double bond index (DBI) and methylene bridge index (MBI) of oils decreased ( P <0.05) during oxidation in the more unsaturated oils. An attempt was made to correlate various parameters of oxidation with DBI and MBI of oils; correlation coefficients (− r ) were within the range of 0.574–0.973. This suggests that indicators such as DBI and MBI can reflect oxidative stability of oils. Article in Journal/Newspaper Antarc* Antarctica Wiley Online Library Journal of the American Oil Chemists' Society 79 10 1003 1013 |
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English |
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Abstract This study utilized γ‐linolenic acid (18∶3n−6; GLA)‐rich borage oil (BO) and evening primrose oil (EPO) for the synthesis of structured lipids (SL) and compared the oxidative stability of the products with those of unmodified BO and EPO as controls. Immobilized Novozym 435 lipase from Candida antarctica was used as the biocatalyst for SL production. BO or EPO eas enzymatically modified with docosahexaenoic acid (22∶6n−3; DHA), as the acyl donor, to produce SI. The SI were characterized and their oxidative stabilities evaluated. Among the oils examined, SL gave rise to higher quantities ( P ≤0.05) of conjugated dienes, TBARS, and headspace volatiles as compared to their unmodified counterparts. Results indicated that modified oils were less stable than their unmodified counterparts. The double bond index (DBI) and methylene bridge index (MBI) of oils decreased ( P <0.05) during oxidation in the more unsaturated oils. An attempt was made to correlate various parameters of oxidation with DBI and MBI of oils; correlation coefficients (− r ) were within the range of 0.574–0.973. This suggests that indicators such as DBI and MBI can reflect oxidative stability of oils. |
format |
Article in Journal/Newspaper |
author |
Namal Senanayake, S. P. J. Shahidi, Fereidoon |
spellingShingle |
Namal Senanayake, S. P. J. Shahidi, Fereidoon Oxidative stability of structured lipids produced from borage ( Borago officinalis L.) and evening primrose ( Oenothera biennis L.) oils with docosahexaenoic acid |
author_facet |
Namal Senanayake, S. P. J. Shahidi, Fereidoon |
author_sort |
Namal Senanayake, S. P. J. |
title |
Oxidative stability of structured lipids produced from borage ( Borago officinalis L.) and evening primrose ( Oenothera biennis L.) oils with docosahexaenoic acid |
title_short |
Oxidative stability of structured lipids produced from borage ( Borago officinalis L.) and evening primrose ( Oenothera biennis L.) oils with docosahexaenoic acid |
title_full |
Oxidative stability of structured lipids produced from borage ( Borago officinalis L.) and evening primrose ( Oenothera biennis L.) oils with docosahexaenoic acid |
title_fullStr |
Oxidative stability of structured lipids produced from borage ( Borago officinalis L.) and evening primrose ( Oenothera biennis L.) oils with docosahexaenoic acid |
title_full_unstemmed |
Oxidative stability of structured lipids produced from borage ( Borago officinalis L.) and evening primrose ( Oenothera biennis L.) oils with docosahexaenoic acid |
title_sort |
oxidative stability of structured lipids produced from borage ( borago officinalis l.) and evening primrose ( oenothera biennis l.) oils with docosahexaenoic acid |
publisher |
Wiley |
publishDate |
2002 |
url |
http://dx.doi.org/10.1007/s11746-002-0594-3 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1007%2Fs11746-002-0594-3 https://onlinelibrary.wiley.com/doi/full/10.1007/s11746-002-0594-3 |
genre |
Antarc* Antarctica |
genre_facet |
Antarc* Antarctica |
op_source |
Journal of the American Oil Chemists' Society volume 79, issue 10, page 1003-1013 ISSN 0003-021X 1558-9331 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1007/s11746-002-0594-3 |
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Journal of the American Oil Chemists' Society |
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79 |
container_issue |
10 |
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1003 |
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1013 |
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1800740706909683712 |