Effects of myofibril-palatinose conjugate as a phosphate substitute on meat emulsion quality

The objective of this study was to investigate a replacement for phosphate in meat products. Protein structural modification was employed in this study, and grafted myofibrillar protein (MP) with palatinose was added to meat emulsion without phosphate. Here, 0.15% of sodium polyphosphate (SPP) was r...

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Bibliographic Details
Published in:Heliyon 2024-04, Vol.10 (7), p.e28315-e28315, Article e28315
Main Authors: Kim, Tae-Kyung, Kim, Yun Jeong, Kang, Min-Cheol, Cha, Ji Yoon, Kim, Yea-Ji, Choi, Yoo-Jeong, Jung, Samooel, Choi, Yun-Sang
Format: Article
Language:English
Subjects:
color
emulsions
Glycation
Graft reaction
isomaltulose
lipid peroxidation
meat
Meat emulsion
meat emulsions
Myofibrillar protein
Phosphate-free
phosphates
protein-glutamine gamma-glutamyltransferase
sodium
thermal stability
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Summary:The objective of this study was to investigate a replacement for phosphate in meat products. Protein structural modification was employed in this study, and grafted myofibrillar protein (MP) with palatinose was added to meat emulsion without phosphate. Here, 0.15% of sodium polyphosphate (SPP) was replaced by the same (0.15%) concentration and double (0.3%) the concentration of grafted MP. Although the thermal stability was decreased, the addition of transglutaminase could increase stability. The rheological properties and pH also increased with the addition of grafted MP and transglutaminase. The addition of grafted protein could be perceived by the naked eye by observing a color difference before cooking, but it was not easy to detect after cooking. The cooking loss, emulsion stability, water holding capacity, lipid oxidation, and textural properties improved with the addition of grafted MP. However, the excessive addition of grafted MP and transglutaminase was not recommended to produce a high quality of phosphate replaced meat emulsion, and 0.15% was identified as a suitable addition ratio of grafted MP.
ISSN:2405-8440
2405-8440
DOI:10.1016/j.heliyon.2024.e28315