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Published on: June 14, 2021
Dandelion polysaccharide suppresses lipid oxidation in Antarctic krill (Euphausia superba)
Jiaqi Bao1, Li Chen1, Tiantian Liu2
1Jiangsu Key Laboratory of Marine Bioresources and Environment, Huaihai Institute of Technology, 59 Cangwu Road, Haizhou 222005, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, 59 Cangwu Road, Haizhou 222005, China; Jiangsu Marine Resources Development Research Institute, Huaihai Institute of Technology, 59 Cangwu Road, Haizhou, Lianyungang, Jiangsu 222005, China.
Abstract:
Antarctic krill (Euphausia superba) are rich in unsaturated lipids that are susceptible to oxidation even under frozen storage. In this study, Antarctic krill was treated with dandelion polysaccharide (DP) and stored frozen at -8 °C for 12 months. The changes in thiobarbituric acid reactants (TBARs), peroxide values (PVs), free fatty acid (FFA) content, fatty acid composition and sensory quality score were evaluated. Treatment with DP maintained the PV, TBAR and FFA contents and sensory quality score and increased the unsaturated fatty acid contents. Results showed that DP treatment could be a promising way to suppresses lipid oxidation and extend the shelf life of Antarctic krill.
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