NDLI: Effects of α-tocopherol on the oxidative stability and incorporation of deuterium in volatiles from a linoleic acid-deuterium model system

Content Provider	Springer Nature Link
Author	Oh, Sumi Lee, Changkyu Gim, Seo Yeong Kim, Mi Ja Lee, JaeHwan
Copyright Year	2016
Abstract	The effects of α-tocopherol on the oxidative stability and incorporation of deuterium in volatiles were evaluated in linoleic acid-water model systems treated at 60°C by analyzing headspace oxygen depletion, formation of lipid hydroperoxides, and profiles of headspace volatiles. Deuterium oxide accelerated the rates of linoleic acid oxidation compared to samples in deuterium-free water. As the concentration of α-tocopherol increased from 0 to 1500 ppm, the consumption of headspace oxygen and the formation of volatiles decreased, whereas the contents of lipid hydroperoxides did not decrease in the linoleic acid-water system. The mass to charge ratios (m/z) of volatiles in linoleic aciddeuterium oxide were significantly higher than those with deuterium oxide-free water. Generally, the presence of α-tocopherol decreased the mass to charge ratios (m/z) of volatiles including pentanal, hexanal, t-2-heptenal, and 2-octenal, implying that α-tocopherol may be involved in the aldehyde formation from lipid oxidation.
Starting Page	681
Ending Page	686
Page Count	6
File Format	PDF
ISSN	12267708
Journal	Food Science and Biotechnology
Volume Number	25
Issue Number	3
e-ISSN	20926456
Language	English
Publisher	The Korean Society of Food Science and Technology
Publisher Date	2016-06-30
Publisher Place	Seoul
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	α-tocopherol deuterium oxide lipid oxidation headspace volatile Food Science Nutrition
Content Type	Text
Resource Type	Article
Subject	Applied Microbiology and Biotechnology Food Science Biotechnology

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Effects of deuterium oxide on formation of volatiles in linoleic acid model systems at different temperatures and oxygen limitation conditions

Effects of α-tocopherol on the oxidative stability and incorporation of deuterium in volatiles from a linoleic acid-deuterium model system

Volatile profiles and involvement step of moisture in bulk oils during oxidation by action of deuterium oxide (D₂O).

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Effects of catechins and green tea extract on the photosensitized singlet oxygen oxidation of linoleic acid in a model system as compared with α-tocopherol

Effects of α-tocopherol on the oxidative stability and incorporation of deuterium in volatiles from a linoleic acid-deuterium model system

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