Ca2+ATPase enzyme activities and lipid and protein oxidations of grass carp (Ctenopharyngodon idellus) stored at 4 °C for 30 min under electromagnetic fields

•Low frequency EMF changed Ca2+ATPase activity of grass carp in cold storage.•The EMF between 100 and 400 Hz inhibited protein oxidation during cold storage.•Lipid oxidation of grass carp was affected during low frequency EMF exposure.•Low frequency EMF reduced the relaxation of water molecules of g...

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Bibliographic Details
Published in:Food chemistry 2023-01, Vol.399, p.133914-133914, Article 133914
Main Authors: Mahato, Swati, Sun, Da-Wen, Zhu, Zhiwei
Format: Article
Language:English
Subjects:
Ca2+ATPase
Cold storage
Electromagnetic fields
Grass carp
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Summary:•Low frequency EMF changed Ca2+ATPase activity of grass carp in cold storage.•The EMF between 100 and 400 Hz inhibited protein oxidation during cold storage.•Lipid oxidation of grass carp was affected during low frequency EMF exposure.•Low frequency EMF reduced the relaxation of water molecules of grass carp. This work studied the effects of electromagnetic fields (EMF) with frequencies between 100 and 400 Hz and a fixed strength of 12 mT on cold storage of grass carp at 4 °C for 30 min, and Ca2+ATPase enzyme activities, and lipid and protein oxidations in samples were measured to assess changes in intracellular Ca2+ concentration and oxidative stability. Results showed higher Ca2+ATPase activities in samples treated with EMF frequencies. Significant (p 
ISSN:0308-8146
1873-7072
DOI:10.1016/j.foodchem.2022.133914