Structural diversity of marine anti-freezing proteins, properties and potential applications: a review

Soudabeh Ghalamara, Sara Silva, Carla Brazinha, Manuela Pintado*

*Autor correspondente para este trabalho

Resultado de pesquisarevisão de pares

1 Transferências (Pure)

Resumo

Cold-adapted organisms, such as fishes, insects, plants and bacteria produce a group of proteins known as antifreeze proteins (AFPs). The specific functions of AFPs, including thermal hysteresis (TH), ice recrystallization inhibition (IRI), dynamic ice shaping (DIS) and interaction with membranes, attracted significant interest for their incorporation into commercial products. AFPs represent their effects by lowering the water freezing point as well as preventing the growth of ice crystals and recrystallization during frozen storage. The potential of AFPs to modify ice growth results in ice crystal stabilizing over a defined temperature range and inhibiting ice recrystallization, which could minimize drip loss during thawing, improve the quality and increase the shelf-life of frozen products. Most cryopreservation studies using marine-derived AFPs have shown that the addition of AFPs can increase post-thaw viability. Nevertheless, the reduced availability of bulk proteins and the need of biotechnological techniques for industrial production, limit the possible usage in foods. Despite all these drawbacks, relatively small concentrations are enough to show activity, which suggests AFPs as potential food additives in the future. The present work aims to review the results of numerous investigations on marine-derived AFPs and discuss their structure, function, physicochemical properties, purification and potential applications.
Idioma originalEnglish
Número do artigo5
Número de páginas24
RevistaBioresources and Bioprocessing
Volume9
Número de emissão1
DOIs
Estado da publicaçãoPublicado - dez 2022

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