Antioxidant efficacy of amino acids in methyl linoleate at different relative humidities |
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Authors: | A G Gopala Krishna J V Prabhakar |
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Affiliation: | (1) Department of Lipid Technology, Central Food Technological Research Institute, 570 013 Mysore, India |
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Abstract: | Antioxidant efficacy of the amino acids methionine, tryptophan, aspartic acid, serine, alanine and arginine in methyl linoleate
were compared to a methyl linoleate control at 2,50 or 79% relative humidity (RH) at 37°C. Antioxidant efficacy varied with
RH and the individual amino acids. Arginine had the highest antioxidant efficacy at all RH values compared to the control.
The efficacy of alanine was equal to that of arginine at RHs of 50 and 79% but was lower at 2% RH. The presence of aliphatic,
alkaline amino, hydroxyl or thiol groups in the side chain of the amino acids increased the antioxidant efficacy at high RHs. |
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Keywords: | Amino acids antioxidants autoxidation methyl linoleate relative humidity |
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