Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

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

Efstratios Roussos
ORCID logo ,
George Triantaphyllidis
,
Vassiliki Ilia
,
Konstantinos Tsagarakis
ORCID logo ,
Athanasios Machias
,
Leto-Aikaterini Tziveleka
ORCID logo ,
Vassilios Roussis
ORCID logo ,
Efstathia Ioannou
ORCID logo ,
Yannis Kotzamanis
* ORCID logo
Version 1 : Received: 15 May 2024 / Approved: 16 May 2024 / Online: 16 May 2024 (11:55:00 CEST)

A peer-reviewed article of this Preprint also exists.

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. 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.

Abstract

The valorization of aquaculture/fisheries 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 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 in a spatial and temporal way 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 (HAVB) was investigated, and experimental trials were conducted to assess the potential yields and the collected data were used to formulate four valorization scenarios.

Keywords

Valorization; Discards; Fisheries by-products; High added value biomolecules; Hydro-lyzed peptides; Marine Collagen; Minerals; Fish meal; Fish oil; Greece

Subject

Biology and Life Sciences, Aquatic Science

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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