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J Oleo Sci


Title:Inhibitory Effect of Dihydrosphingosine with alpha-Tocopherol on Volatile Formation during the Autoxidation of Polyunsaturated Triacylglycerols
Author(s):Uemura M; Shibata A; Hosokawa M; Iwashima-Suzuki A; Shiota M; Miyashita K;
Address:"Faculty of Fisheries Sciences, Hokkaido University"
Journal Title:J Oleo Sci
Year:2016
Volume:20160729
Issue:9
Page Number:713 - 722
DOI: 10.5650/jos.ess16071
ISSN/ISBN:1347-3352 (Electronic) 1345-8957 (Linking)
Abstract:"The effect of dihydrosphingosine (d18:0) on triacylglycerol (TAG) oxidation was examined with and without alpha-tocopherol. Three types of TAG from fish, linseed, and soybean oil were oxidized at 50 degrees C to determine the effect of dihydrosphingosine (d18:0) with or without alpha-tocopherol on triacylglycerol (TAG) oxidation. The analysis of oxygen consumption and total volatile formation demonstrated a small effect of d18:0 on TAG oxidation in the absence of alpha-tocopherol. On the other hand, the combination of d18:0 with alpha-tocopherol showed strong antioxidant activity and completely inhibited volatile formation within 1400 h for soybean oil TAG, 650 h for linseed oil TAG, and 380 h for fish oil TAG"
Keywords:Antioxidants/*chemistry Molecular Conformation Oxidation-Reduction Sphingosine/*analogs & derivatives/chemistry Triglycerides/*chemistry Volatile Organic Compounds/*chemical synthesis/chemistry alpha-Tocopherol/*chemistry;
Notes:"MedlineUemura, Mariko Shibata, Ako Hosokawa, Masashi Iwashima-Suzuki, Ai Shiota, Makoto Miyashita, Kazuo eng Japan 2016/08/02 J Oleo Sci. 2016 Sep 1; 65(9):713-22. doi: 10.5650/jos.ess16071. Epub 2016 Jul 29"

 
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