Current and expected trends for the marine chitin/chitosan and collagen value chains
Vieira, Helena | Lestre, Gonçalo Moura | Solstad, Runar Gjerp | Cabral, Ana Elisa | Botelho, Anabela | Helbig, Carlos | Coppola, Daniela | de Pascale, Donatella | Robbens, Johan | Raes, Katleen | Lian, Kjersti | Tsirtsidou, Kyriaki | Leal, Miguel C. | Scheers, Nathalie | Calado, Ricardo | Corticeiro, Sofia | Rasche, Stefan | Altintzoglou, Themistoklis | Yang Zou | Lillebo, Ana I.
Chitin/chitosan and collagen are two of the most important bioactive compounds, with applications in the pharmaceutical, veterinary, nutraceutical, cosmetic, biomaterials, and other industries. When extracted from non-edible parts of fish and shellfish, by-catches, and invasive species, their use contributes to a more sustainable and circular economy. The present article reviews the scientific knowledge and publication trends along the marine chitin/chitosan and collagen value chains and assesses how researchers, industry players, and end-users can bridge the gap between scientific understanding and industrial applications. Overall, research on chitin/chitosan remains focused on the compound itself rather than its market applications. Still, chitin/chitosan use is expected to increase in food and biomedical applications, while that of collagen is expected to increase in biomedical, cosmetic, pharmaceutical, and nutritional applications. Sustainable practices, such as the reuse of waste materials, contribute to strengthen both value chains; the identified weaknesses include the lack of studies considering market trends, social sustainability, and profitability, as well as insufficient examination of intellectual property rights. Government regulations, market demand, consumer preferences, technological advancements, environmental challenges, and legal frameworks play significant roles in shaping both value chains. Addressing these factors is crucial for seizing opportunities, fostering sustainability, complying with regulations, and maintaining competitiveness in these constantly evolving value chains.
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