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Mar. Drugs 2013, 11(4), 975-990; doi:10.3390/md11040975

Evidence of Anti-Proliferative Activities in Blue Mussel (Mytilus edulis) By-Products

1,2,* , 1,3
1 Department of Biology, Chemistry and Geography, University of Quebec at Rimouski (UQAR), 300 Allée des Ursulines, Rimouski, QC G5L 3A1, Canada 2 Institute of Nutraceuticals and Functional Foods (INAF), Laval University, Quebec City, QC G1V 0A6, Canada 3 Merinov, Quebec Fisheries and Aquaculture Innovation Centre, 96 montee de Sandy Beach, office 1.07, Gaspe, QC G4X 2V6, Canada
* Author to whom correspondence should be addressed.
Received: 16 January 2013 / Revised: 5 March 2013 / Accepted: 5 March 2013 / Published: 27 March 2013
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Shellfish waste components contain significant levels of high quality protein and are therefore a potential source for biofunctional high-value peptides. The feasibility of applying a pilot scale enzymatic hydrolysis process to whole Mytilus edulis and, by fractionation, recover hydrolysates presenting a biological activity of interest, was evaluated. Fractions were tested on four immortalized cancerous cell lines: A549, BT549, HCT15 and PC3. The 50 kDa fraction, enriched in peptides, presented anti-proliferative activity with all cell lines and results suggest a bioactive molecule synergy within the fraction. At a protein concentration of 44 µg/mL, the 50 kDa fraction induced a mortality of 90% for PC3, 89% for A549, 85% for HCT15 and of 81% for BT549 cell lines. At the low protein concentration of only 11 µg/mL the 50 kDa fraction still entails a cell mortality of 76% for A549 and 87% for PC3 cell lines. The 50 kDa fraction contains 56% of proteins, 3% of lipids and 6% of minerals on a dry weight basis and the lowest levels detected of taurine and methionine and highest levels of threonine, proline and glycine amino acids. The enzymatic hydrolysis process suggests that Mytilus edulis by-products should be viewed as high-valued products with strong potential as anti-proliferative agent and promising active ingredients in functional foods.
Keywords: blue mussels; Mytilus edulis; anticancer; enzymatic hydrolysis; peptides blue mussels; Mytilus edulis; anticancer; enzymatic hydrolysis; peptides
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Beaulieu, L.; Thibodeau, J.; Bonnet, C.; Bryl, P.; Carbonneau, M.-E. Evidence of Anti-Proliferative Activities in Blue Mussel (Mytilus edulis) By-Products. Mar. Drugs 2013, 11, 975-990.

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