The sea product processing steps intended for human consumption - evisceration, nobbing, filleting, peeling, deshelling, washing, defrosting, cooking – generate about 40 to 60% of by-products. 96% of these by-products are manufactured for the feed sector - flour, oil, hydrolysate, fish mince - including 23% for pet-food.

How to better exploit the fish, algae and shellfish wastes?

The entrails, skin, bones and flesh remains must be considered as by-products. Many molecules could be extracted and used for human and animal health.
Weaknesses of by-product use
  The positive points
Available quantities fluctuate depending on the by-product type and species.

Collection (sorting, washing, freezing, storage, transport) exists for mass exploitation (feed). However collection for small volume exploitation (higher added value) is more constraining. It requires a rigorous sorting, low temperatures and rigorous traceability implementation.

The regulation for the dietetic and nutraceutical industry is restrictive and authorises only a small number of products to receive food complement grades.
The marine product image is positive on the markets as food, nutraceuticals, cosmetics, etc. The scientific advances open new ways for exploitation: marine lecithins, fatty-acids and omega3, peptides with biological activities, and others.

The points to strengthen

A better vision on the markets in emergence (food additive, dietetics, cosmetic).

A better knowledge on regulation regarding food complement.

A better coordination between the chain upstream and downstream would improve the supply between users.

Thesee are the objectives of Biotecmar project.
Co-financed with the support of the European Union ERDF Atlantic Area Programme

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