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Mar. Drugs 2015, 13(10), 6537-6549; doi:10.3390/md13106537

Production of Hyaluronic Acid by Streptococcus zooepidemicus on Protein Substrates Obtained from Scyliorhinus canicula Discards

1
Grupo de Reciclado y Valorización de Materiales Residuales (REVAL), Instituto de Investigacións Mariñas (IIM-CSIC), r/Eduardo Cabello, 6. Vigo-36208 Galicia, Spain
2
Departamento de Química Analítica y Alimentaria, Facultad de Ciencias de Ourense (Universidad de Vigo), Campus As Lagoas s/n, Ourense-32004 Galicia, Spain
3
Servicio de Instrumentación Científica (SICIM), Instituto de Investigacións Mariñas (IIM-CSIC), r/Eduardo Cabello, 6. Vigo-36208 Galicia, Spain
4
Centre of Biological Engineering, University of Minho, Campus Gualtar, 4710-057 Braga, Portugal
5
Grupo de Bioquímica de Alimentos, Instituto de Investigacións Mariñas (IIM-CSIC), r/Eduardo Cabello, 6. Vigo-36208 Galicia, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Antonio Trincone
Received: 19 August 2015 / Revised: 16 October 2015 / Accepted: 19 October 2015 / Published: 23 October 2015
(This article belongs to the Special Issue Marine Glycoconjugates)
View Full-Text   |   Download PDF [651 KB, uploaded 23 October 2015]   |  

Abstract

This work investigates the production of hyaluronic acid (H) by Streptococcus equi subsp. zooepidemicus in complex media formulated with peptones obtained from Scyliorhinus canicula viscera by-products. Initially, in batch cultures, the greatest productions were achieved using commercial media (3.03 g/L) followed by peptones from alcalase hydrolyzed viscera (2.32 g/L) and peptones from non-hydrolyzed viscera (2.26 g/L). An increase of between 12% and 15% was found in subsequent fed-batch cultures performed on waste peptones. Such organic nitrogen sources were shown to be an excellent low-cost substrate for microbial H, saving more than 50% of the nutrient costs. View Full-Text
Keywords: viscera waste valorization; hyaluronic acid production; Streptococcus zooepidemicus; marine peptones; Scyliorhinus canicula by-products; logistic equation viscera waste valorization; hyaluronic acid production; Streptococcus zooepidemicus; marine peptones; Scyliorhinus canicula by-products; logistic equation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Vázquez, J.A.; Pastrana, L.; Piñeiro, C.; Teixeira, J.A.; Pérez-Martín, R.I.; Amado, I.R. Production of Hyaluronic Acid by Streptococcus zooepidemicus on Protein Substrates Obtained from Scyliorhinus canicula Discards. Mar. Drugs 2015, 13, 6537-6549.

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