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Limited Antioxidant Effect of Rosemary in Lipid Oxidation of Pan-Fried Salmon

Abstract : Consumption of omega-3 polyunsaturated fatty acids (n-3 PUFAs) rich fatty fish is known to provide an array of health benefits. However, high temperature in food preparation, such as pan-frying, potentially degrades eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) of the n-3 PUFAs by heat oxidation. The addition of antioxidant condiments, and herbs in particular, may retard PUFA peroxidation and preserve EPA and DHA during pan-frying. In this study, different types of antioxidant condiments (sage, rosemary, black peppercorn, thyme, basil, and garlic) were tested for antioxidant capacity, and the condiment with the highest capacity was selected for its effect on lipid oxidation of salmon. The changes in fatty acids and lipid peroxidation of salmon, during pan-frying with the selected condiment (olive oil infused with rosemary, RO (infused)), were compared with salmon prepared in extra virgin olive oil, olive oil, or without oil. The total saturated fatty acid was found to be less in pan fried salmon with RO (infused). None of the oil type conserved EPA-and DHA-content in salmon. However, RO (infused) lowered lipid peroxidation by lessening hydroperoxide and 4-HNE formation, but not the other related products (HDHA, HETE, isoprostanes). Our observation indicates that the antioxidant capacity of RO (infused) , when it is incorporated with food, becomes limited.
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Soumis le : vendredi 6 décembre 2019 - 11:02:23
Dernière modification le : mercredi 18 décembre 2019 - 15:44:13
Document(s) archivé(s) le : samedi 7 mars 2020 - 13:53:21


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Kin Sum Leung, Ho Hang Leung, Ching Yu Wu, Jean-Marie Galano, Thierry Durand, et al.. Limited Antioxidant Effect of Rosemary in Lipid Oxidation of Pan-Fried Salmon. Biomolecules, MDPI, 2019, 9 (8), pp.313. ⟨10.3390/biom9080313⟩. ⟨hal-02396770⟩



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