The potential of protein hydrolysates from marine by-products: Mechanisms, health benefits, applications, future prospects, and challenges

Growing consumer demand for fishery products has increased the quantity of by-products that are thrown out since they possess little market value, eventually led to unsustainable practices in the marine sectors and negative environmental repercussions. Marine by-products consist of high protein cont...

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Bibliographic Details
Published in:Process biochemistry (1991) 2024-12, Vol.147, p.489-504
Main Authors: Gan, Mei Qi, Poh, Jay Min, Lim, Seng Joe, Chang, Lee Sin
Format: Article
Language:English
Subjects:
antioxidants
aquaculture
Bioactive peptide
byproducts
consumer demand
cosmetics
drugs
fisheries
human health
Marine by-product
market value
peptides
protein content
Protein hydrolysate
proteolysis
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Summary:Growing consumer demand for fishery products has increased the quantity of by-products that are thrown out since they possess little market value, eventually led to unsustainable practices in the marine sectors and negative environmental repercussions. Marine by-products consist of high protein content, nutritional qualities and biological activities that are beneficial to human health. These valuable proteins could come from different sources and are often extracted using different operations. Therefore, this review focuses on several methods of using protein hydrolysis for extracting bioactive peptides from marine by-products. This review also discusses different sources of marine by-products that can yield bioactive peptides and their beneficial biological activities, such as antioxidant, antihypertensive, anticancer, anti-obesity, and other bioactivities, that are advantageous in a variety of industries, like food, cosmetics, aquaculture, and pharmaceuticals. Furthermore, the complications associated with using marine protein hydrolysates from their by-product as well as the sustainability of these technologies would be discussed. •Marine by-products are good source of bioactive peptide.•The methods for extracting bioactive peptides from marine by-products were highlighted.•The extracted bioactive peptides exhibited beneficial biological activities.•Significant application of marine protein hydrolysate in various industries.•Current sustainable technologies used for peptide extraction such as subcritical water hydrolysis is effective.
ISSN:1359-5113
DOI:10.1016/j.procbio.2024.10.008