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Marine Drugs
Volume 22
Issue 6
10.3390/md22060264
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Article

Status of Fishery Discards and By-Products in Greece and Potential Valorization Scenarios towards a National Exploitation Master Plan

by
Efstratios Roussos
1,
George Triantaphyllidis
1,
Vassiliki Ilia
1,
Konstantinos Tsagarakis
2,
Athanasios Machias
2,
Leto-Aikaterini Tziveleka
3,
Vassilios Roussis
3,
Efstathia Ioannou
3 and
Yannis Kotzamanis
1,*
1
Hellenic Centre for Marine Research, Institute of Marine Biology, Biotechnology and Aquaculture 46.7 Km Athens-Sounio, 19013 Anavyssos Attica, Greece
2
Hellenic Centre for Marine Research, Institute of Marine Biological Resources and Inland Waters, 46.7 Km Athens-Sounio, 19013 Anavyssos Attica, Greece
3
Department of Pharmacognosy and Chemistry of Natural Products, Faculty of Pharmacy, School of Health Sciences, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece
*
Author to whom correspondence should be addressed.
Mar. Drugs 2024, 22(6), 264; https://doi.org/10.3390/md22060264
Submission received: 14 May 2024 / Revised: 30 May 2024 / Accepted: 4 June 2024 / Published: 7 June 2024
(This article belongs to the Special Issue Fishery Discards, Processing Waste and Marine By-Products)
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Abstract

The valorization of aquaculture/fishery processing by-products, as well as unavoidable/unwanted catches and discards in Greece, is currently an underutilized activity despite the fact that there are several best practices in Northern Europe and overseas. One of the main challenges is to determine whether the available quantities for processing are sufficient to warrant the valorization of discards and fish side streams. This is the first attempt to systematically record and analyze the available quantities of fish by-products and discards in Greece spatially and temporally in an effort to create a national exploitation Master Plan for the valorization of this unavoidable and unwanted biomass. A thorough survey conducted within the VIOAXIOPIO project unveiled a substantial biomass of around 19,000 tonnes annually that could be harnessed for valorization. Furthermore, the production of various High-Added-Value Biomolecules (HAVBs) was investigated and experimental trials were conducted to assess the potential yields, with the collected data used to formulate four valorization scenarios.
Keywords: valorization; discards; fishery by-products; high-added-value biomolecules; hydrolyzed peptides; marine collagen; minerals; fish meal; fish oil; Greece valorization; discards; fishery by-products; high-added-value biomolecules; hydrolyzed peptides; marine collagen; minerals; fish meal; fish oil; Greece

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MDPI and ACS Style

Roussos, E.; Triantaphyllidis, G.; Ilia, V.; Tsagarakis, K.; Machias, A.; Tziveleka, L.-A.; Roussis, V.; Ioannou, E.; Kotzamanis, Y. Status of Fishery Discards and By-Products in Greece and Potential Valorization Scenarios towards a National Exploitation Master Plan. Mar. Drugs 2024, 22, 264. https://doi.org/10.3390/md22060264

AMA Style

Roussos E, Triantaphyllidis G, Ilia V, Tsagarakis K, Machias A, Tziveleka L-A, Roussis V, Ioannou E, Kotzamanis Y. Status of Fishery Discards and By-Products in Greece and Potential Valorization Scenarios towards a National Exploitation Master Plan. Marine Drugs. 2024; 22(6):264. https://doi.org/10.3390/md22060264

Chicago/Turabian Style

Roussos, Efstratios, George Triantaphyllidis, Vassiliki Ilia, Konstantinos Tsagarakis, Athanasios Machias, Leto-Aikaterini Tziveleka, Vassilios Roussis, Efstathia Ioannou, and Yannis Kotzamanis. 2024. "Status of Fishery Discards and By-Products in Greece and Potential Valorization Scenarios towards a National Exploitation Master Plan" Marine Drugs 22, no. 6: 264. https://doi.org/10.3390/md22060264

APA Style

Roussos, E., Triantaphyllidis, G., Ilia, V., Tsagarakis, K., Machias, A., Tziveleka, L.-A., Roussis, V., Ioannou, E., & Kotzamanis, Y. (2024). Status of Fishery Discards and By-Products in Greece and Potential Valorization Scenarios towards a National Exploitation Master Plan. Marine Drugs, 22(6), 264. https://doi.org/10.3390/md22060264

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