Correlation between fatty acid profile and anti-inflammatory activity in common Australian seafood by-products

Marine organisms are a rich source of biologically active lipids with anti-inflammatory activities. These lipids may be enriched in visceral organs that are waste products from common seafood. Gas chromatography-mass spectrometry and fatty acid methyl ester (FAME) analyses were performed to compare...

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Bibliographic Details
Published in:Marine Drugs
Main Authors: Ahmad, Tarek B., Rudd, David, Kotiw, Michael, Liu, Lei, Benkendorff, Kirsten
Format: Article in Journal/Newspaper
Language:English
Published: 2019
Subjects:
Online Access:https://research.monash.edu/en/publications/670c68ed-6fd6-4e84-bc7e-fa73009f0e4a
https://doi.org/10.3390/md17030155
https://researchmgt.monash.edu/ws/files/314571136/311477193_oa.pdf
http://www.scopus.com/inward/record.url?scp=85062610475&partnerID=8YFLogxK
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Summary:Marine organisms are a rich source of biologically active lipids with anti-inflammatory activities. These lipids may be enriched in visceral organs that are waste products from common seafood. Gas chromatography-mass spectrometry and fatty acid methyl ester (FAME) analyses were performed to compare the fatty acid compositions of lipid extracts from some common seafood organisms, including octopus (Octopus tetricus), squid (Sepioteuthis australis), Australian sardine (Sardinops sagax), salmon (Salmo salar) and school prawns (Penaeus plebejus). The lipid extracts were tested for anti-inflammatory activity by assessing their inhibition of nitric oxide (NO) and tumor necrosis factor alpha (TNFα) production in lipopolysaccharide (LPS)-stimulated RAW 264.7 mouse cells. The lipid extract from both the flesh and waste tissue all contained high amounts of polyunsaturated fatty acids (PUFAs) and significantly inhibited NO and TNFα production. Lipid extracts from the cephalopod mollusks S. australis and O. tetricus demonstrated the highest total PUFA content, the highest level of omega 3 (ω-3) PUFAs, and the highest anti-inflammatory activity. However, multivariate analysis indicates the complex mixture of saturated, monounsaturated, and polyunsaturated fatty acids may all influence the anti-inflammatory activity of marine lipid extracts. This study confirms that discarded parts of commonly consumed seafood species provide promising sources for the development of new potential anti-inflammatory nutraceuticals.