Impact of cod skin peptide-ι-carrageenan conjugates prepared via the Maillard reaction on the physical and oxidative stability of Antarctic krill oil emulsions

Han, Lingyu, Zhai, Ruiyi, Shi, Ruitao, Hu, Bing, Yang, Jixin, Xu, Zhe, Ma, Kun, Li, Yingmei and Li, Tingting (2024) Impact of cod skin peptide-ι-carrageenan conjugates prepared via the Maillard reaction on the physical and oxidative stability of Antarctic krill oil emulsions. Food Chemistry: X, 21 (101130). ISSN 2590-1575

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Abstract

This research aimed to construct an emulsifier by the Maillard reaction at various times using cod fish skin collagen peptide (CSCP) and ι-carrageenan (ι-car) to stabilize an Antarctic krill oil (AKO) emulsion. This emulsion was then investigated for physicochemical stability, oxidative stability, and gastrointestinal digestibility. The emulsion stability index and emulsifying activity index of Maillard reaction products (MRPs) were increased by 36.32 % and 66.30 %, respectively, at the appropriate graft degree (25.58 %) compared with the mixture of ι-car and CSCP. In vitro digestibility suggested the higher release of free fatty acids (FFAs) of 10d-MRPs-AKO-emulsion, and the highest bioavailability of AST in 10d-MRPs-AKO was found to be 28.48 %. The findings of this study showed the potential of MRPs to improve peptide function, serve as delivery vehicles for bioactive chemicals, and possibly serve as a valuable emulsifier to be used in the food industry.

Item Type:	Article
Keywords:	Maillard reaction, Antarctic krill oil, Bioaccessibility, Microencapsulation
Divisions:	Applied Science, Computing and Engineering
Depositing User:	Hayley Dennis
Date Deposited:	31 Jan 2024 15:55
Last Modified:	31 Jan 2024 15:55
URI:	https://glyndwr.repository.guildhe.ac.uk/id/eprint/18122

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