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Antioxidative effects of stabilized and unstabilized defatted rice bran methanolic extracts on the stability of rice bran oil under accelerated conditions

The present research assessed the antioxidant activity against the synthetic 1, 1-diphenyl-2-picrylhydrazyl radical, and β-carotene-linoleic acid assay of the methanolic extracts of defatted rice bran from stabilized and unstabilized rice bran. The effects of the extracts (0.1 and 0.25% w/w) on the...

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Main Authors: Mariod, Abdalbasit Adam, Adamu, Hadiza Altine, Ismail, Maznah, Ismail, Norsharina
Format: Article
Language:English
Published: Consejo Superior de Investigaciones Cientificas 2010
Online Access:http://psasir.upm.edu.my/id/eprint/13199/1/Antioxidative%20effects%20of%20stabilized%20and%20unstabilized%20defatted%20rice%20bran%20methanolic%20extracts%20on%20the%20stability%20of%20rice%20bran%20oil%20under%20accelerated%20conditions.pdf
http://psasir.upm.edu.my/id/eprint/13199/
http://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/1052
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spelling my.upm.eprints.131992015-11-13T01:47:29Z http://psasir.upm.edu.my/id/eprint/13199/ Antioxidative effects of stabilized and unstabilized defatted rice bran methanolic extracts on the stability of rice bran oil under accelerated conditions Mariod, Abdalbasit Adam Adamu, Hadiza Altine Ismail, Maznah Ismail, Norsharina The present research assessed the antioxidant activity against the synthetic 1, 1-diphenyl-2-picrylhydrazyl radical, and β-carotene-linoleic acid assay of the methanolic extracts of defatted rice bran from stabilized and unstabilized rice bran. The effects of the extracts (0.1 and 0.25% w/w) on the oxidative stability of refined-bleached rice bran oil were determined and compared with those of BHA (synthetic antioxidant). The study was carried out over a 168 hr period at 70°C and the progression of oxidation was measured by peroxide value, p-anisidine value, and thiobarbituric acid-reactive substances (TBARS). The relative % of residual α-tocopherol and γ-oryzanol of the rice bran oil containing methanolic extracts of stabilized and unstabilized defatted rice bran during storage at 70°C were studied. Consejo Superior de Investigaciones Cientificas 2010-10 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/13199/1/Antioxidative%20effects%20of%20stabilized%20and%20unstabilized%20defatted%20rice%20bran%20methanolic%20extracts%20on%20the%20stability%20of%20rice%20bran%20oil%20under%20accelerated%20conditions.pdf Mariod, Abdalbasit Adam and Adamu, Hadiza Altine and Ismail, Maznah and Ismail, Norsharina (2010) Antioxidative effects of stabilized and unstabilized defatted rice bran methanolic extracts on the stability of rice bran oil under accelerated conditions. Grasas y Aceites, 61 (4). pp. 409-415. ISSN 0017-3495; ESSN: 1988-4214 http://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/1052 10.3989/gya.110309
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description The present research assessed the antioxidant activity against the synthetic 1, 1-diphenyl-2-picrylhydrazyl radical, and β-carotene-linoleic acid assay of the methanolic extracts of defatted rice bran from stabilized and unstabilized rice bran. The effects of the extracts (0.1 and 0.25% w/w) on the oxidative stability of refined-bleached rice bran oil were determined and compared with those of BHA (synthetic antioxidant). The study was carried out over a 168 hr period at 70°C and the progression of oxidation was measured by peroxide value, p-anisidine value, and thiobarbituric acid-reactive substances (TBARS). The relative % of residual α-tocopherol and γ-oryzanol of the rice bran oil containing methanolic extracts of stabilized and unstabilized defatted rice bran during storage at 70°C were studied.
format Article
author Mariod, Abdalbasit Adam
Adamu, Hadiza Altine
Ismail, Maznah
Ismail, Norsharina
spellingShingle Mariod, Abdalbasit Adam
Adamu, Hadiza Altine
Ismail, Maznah
Ismail, Norsharina
Antioxidative effects of stabilized and unstabilized defatted rice bran methanolic extracts on the stability of rice bran oil under accelerated conditions
author_facet Mariod, Abdalbasit Adam
Adamu, Hadiza Altine
Ismail, Maznah
Ismail, Norsharina
author_sort Mariod, Abdalbasit Adam
title Antioxidative effects of stabilized and unstabilized defatted rice bran methanolic extracts on the stability of rice bran oil under accelerated conditions
title_short Antioxidative effects of stabilized and unstabilized defatted rice bran methanolic extracts on the stability of rice bran oil under accelerated conditions
title_full Antioxidative effects of stabilized and unstabilized defatted rice bran methanolic extracts on the stability of rice bran oil under accelerated conditions
title_fullStr Antioxidative effects of stabilized and unstabilized defatted rice bran methanolic extracts on the stability of rice bran oil under accelerated conditions
title_full_unstemmed Antioxidative effects of stabilized and unstabilized defatted rice bran methanolic extracts on the stability of rice bran oil under accelerated conditions
title_sort antioxidative effects of stabilized and unstabilized defatted rice bran methanolic extracts on the stability of rice bran oil under accelerated conditions
publisher Consejo Superior de Investigaciones Cientificas
publishDate 2010
url http://psasir.upm.edu.my/id/eprint/13199/1/Antioxidative%20effects%20of%20stabilized%20and%20unstabilized%20defatted%20rice%20bran%20methanolic%20extracts%20on%20the%20stability%20of%20rice%20bran%20oil%20under%20accelerated%20conditions.pdf
http://psasir.upm.edu.my/id/eprint/13199/
http://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/1052
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score 13.211869

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