RT Journal Article T1 Kappa-carrageenan as an effective cryoprotectant on water mobility and functional properties of grass carp myofibrillar protein gel during frozen storage A1 Walayat, Noman A1 Wang, Xiukang A1 Liu, Jianhua A1 Nawaz, Asad A1 Zhang, Zhongli A1 Khalifa, Ibrahim A1 Rincón Cervera, Miguel Ángel A1 Pateiro, Mirian A1 Lorenzo Rodríguez, José Manuel A1 Nikoo, Mehdi A1 Siddiqui, Shahida Anusha K1 3309.21 Alimentos Proteínicos K1 3309 Tecnología de Los Alimentos K1 3309.13 Conservación de Alimentos AB The effect of kappa-carrageenan oligosaccharides was analyzed on the gelling abilities of grass carp myofibrillar proteins (MP) during 60 days frozen storage. Four gel treatments were prepared: control without additives (C), a positive control with sucrose: sorbitol (PC), and two batches with 1 and 2% of kappa-carrageenan (KC). All MP gels showed a significant decline in the functional and structural properties. Water holding capacity (WHC) and textural properties of control MP gel was significantly reduced due to oxidative changes, whereas weak cross-linking between amino acid molecules and denaturation of myosin observed. In contrast, PC and KC showed a significant control on the reduction of functional properties due to the enhanced inter/intra-molecular interactions and less formation of ice crystals. Addition of KC (2%) significantly restricted the decline in WHC from 95.45 to 75.47%, which is well associated with high hydrogen proton density. Besides that, low field nuclear magnetic resonance (LF-NMR) analysis exhibited a restricted increase in T22 relaxation time in samples added with KC (2%). Overall, MP gel with KC (2%) proved to be an effective alternative in comparison with PC and could be efficient in the production and commercialization of fish and other seafood products. PB LWT - Food Science and Technology SN 00236438 YR 2022 FD 2022-01 LK http://hdl.handle.net/11093/4579 UL http://hdl.handle.net/11093/4579 LA eng NO LWT - Food Science and Technology, 154, 112675 (2022) NO National Natural Science Foundation of China | Ref. 31972104 DS Investigo RD 08-sep-2024