Preprint Communication Version 1 Preserved in Portico This version is not peer-reviewed

High Yields of Shrimp Oil Rich in Omega-3 and Carotenoids: Extending to Shrimp Waste the Circular Economy Approach to Fish Oil Extraction

Version 1 : Received: 7 March 2020 / Approved: 8 March 2020 / Online: 8 March 2020 (16:54:24 CET)

A peer-reviewed article of this Preprint also exists.

Journal reference: ACS Omega 2020
DOI: 10.1021/acsomega.0c01978


A shrimp oil rich in omega-3 lipids and carotenoids is obtained in remarkably high 5 wt% yield extending to pink shrimp processing waste (head and carapace) the circular economy approach to extract fish oil from fish processing by-products using d-limonene. Biobased limonene, a powerful antimicrobial and antioxidant agent, is an excellent solvent for both lipids and astaxanthin-based carotenoids preventing oxidative degradation during the extraction cycle including solvent and oil separation at 85°C. A new low cost route is established to extract valued marine oil from biowaste annually made available in over 2.2 million tonnes.


shrimp waste; astaxanthin; omega-3; limonene; bioeconomy



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