The inhibitory effects of sesamol and sesamolin on the glycidyl esters formation during deodorization of vegetables oils
2021
Han, Lipeng | Li, Jiahui | Wang, Shujie | Cheng, Weiwei | Ma, Lukai | Liu, Guoqin | Han, Dongxue | Niu, Li
BACKGROUND: Glycidyl esters (GEs) have attracted worldwide attention for their potential harm to human health. The GEs in edible oils mainly form during the deodorization of the oil refining processes. We used sesamol and sesamolin to inhibit the formation of GEs in model corn oil (MCO), model palm oil (MPO) and model rice bran oil (MRO) during a deodorization process. RESULTS: The results showed that, in the three model oils, the total GE content was in the following order from highest to lowest: MRO (1437.98 μg kg⁻¹) > MPO (388.64 μg kg⁻¹) > MCO (314.81 μg kg⁻¹). The inhibitory effect of the three antioxidants on the formation of GEs in the MCO was in the following order from strongest to weakest: tert‐butylhydroquinone (TBHQ) > sesamol > sesamolin. CONCLUSION: When the mass percentage of sesamol was 0.05%, its inhibition percentage on GEs was close to the inhibition percentage of 0.02% added TBHQ. The present study provides a foundation for understanding how to inhibit the formation of GEs in oils by adding sesamol during the deodorization process.
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