ArticleMolecules (Basel, Switzerland)2018
Contribution of the Ratio of Tocopherol Homologs to the Oxidative Stability of Commercial Vegetable Oils.
Article in Molecules (Basel, Switzerland), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed, 57 citations in OpenAlex.
- Trial
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- Nutraceutical Prospects of Pumpkin Seeds: A Study on the Lipid Fraction Composition and Oxidative Stability Across Eleven Varieties.Foods (Basel, Switzerland) · 2025Article
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- Addition of monosodium glutamate can reduce the oxidative stability of lipids in pork burger patties via early-stage Maillard reaction products formation.Current research in food science · 2025Article
- Comprehensive Evaluation of Quality Characteristics of Four Oil-Tea Camellia Species with Red Flowers and Large Fruit.Foods (Basel, Switzerland) · 2023Article
- Evaluation of spray-dried eggs as a micronutrient-rich nutritional supplement.Frontiers in nutrition · 2022Article
- Characteristic-Aroma-Component-Based Evaluation and Classification of Strawberry Varieties by Aroma Type.Molecules (Basel, Switzerland) · 2021Article
- Identification of the Olfactory Profile of Rapeseed Oil as a Function of Heating Time and Ratio of Volume and Surface Area of Contact with Oxygen Using an Electronic Nose.Sensors (Basel, Switzerland) · 2021Article
- Characteristics and Antioxidant Potential of Cold-Pressed Oils-Possible Strategies to Improve Oil Stability.Foods (Basel, Switzerland) · 2020Article
- Assessment of Soybean Oil Oxidative Stability from Rapid Analysis of its Minor Component Profile.Molecules (Basel, Switzerland) · 2020Article
- Free Radical Scavenging Activity of Carbonyl-Amine Adducts Formed in Soybean Oil Fortified with Phosphatidylethanolamine.Molecules (Basel, Switzerland) · 2020Article
- Inadequacy of nutrients and contaminants found in porridge-type complementary foods in Rwanda.Maternal & child nutrition · 2020Article
- Preliminary Study: Comparison of Antioxidant Activity of Cannabidiol (CBD) and α-Tocopherol Added to Refined Olive and Sunflower Oils.Molecules (Basel, Switzerland) · 2019Article
- Review
- Trypsin Inhibitor Isolated From Glycine max (Soya Bean) Extraction, Purification, and Characterization.Dose-response : a publication of International Hormesis SocietyArticle
- Article
Corrections and comments
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Authors and funding
7 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The antioxidant activity of tocopherols in vegetable oils was shown to chiefly depend on the amount and the tocopherol homolog present. However, the most effective ratio of tocopherol homologs with regard to the antioxidant capacity has not been elucidated so far. The present study analyzed the effect of different tocopherol concentrations, homologs and ratios of homologs on markers of lipid oxidation in the most commonly consumed vegetable oils (canola, sunflower, soybean oil) stored in a 12 h light/dark cycle at 22 ± 2 °C for 56 days under retail/household conditions. After 56 days of storage, the α-tocopherol-rich canola and sunflower oil showed the strongest rise in lipid peroxides, yielding 25.1 ± 0.03 meq O₂/kg (+25.3-fold) and 24.7 ± 0.05 meq O₂/kg (+25.0-fold), respectively. ESR experiments, excluding effects of the oils' matrices and other minor constituents, confirmed that a food representative tocopherol ratio of (γ + δ)/α = 4.77, as represented in soybean oil, led to a more pronounced delay of lipid oxidation than a lower ratio in canola (1.39) and sunflower oil (0.06). An optimum (γ + δ)/α -tocopherol ratio contributing to the oxidative quality of vegetable oils extending their shelf life has to be investigated.
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