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Production of seafood flavour formulations from enzymatic hydrolysates of fish by-products
Authors
Annadurai
AOAC Association of Official Analytical Chemists
+33 more
Aspmo
Beh
Caprino
Church
Decker
Elmore
Escriche
Fox
G. Koutsidis
Ganeko
Ghorbel
Giri
González-Tomás
Guerard
Guerrero
I. Peinado
J. Ames
Kawai
Le Guen
Medina Hernández
Meilgaard
Montel
Nielsen
Ortiz
Peinado
Peinado
Selli
Souissi
Taylor
Whistler
Whitfield
Whitfield
Yaich
Publication date
15 September 2015
Publisher
'Elsevier BV'
Doi
Cite
Abstract
© 2015 Published by Elsevier Ltd. Amino acid-rich extracts derived from fish by-products were utilised to generate flavour model systems with added glucose and/or fish oil. Combination of endo and exo peptidases resulted in the most marked increased in free amino acids, particularly for leucine, lysine and glutamic acid (48.3 ± 3.4 to 1423.4 ± 59.6, 43.3 ± 1.2 to 1485.4 ± 25.6 and 143.6 ± 21.7 to 980.9 ± 63.6 μg/g respectively).Main volatile products formed after heating the systems were 4-heptenal, 2,4-heptadienal, and some pyrazines. Increased concentrations of 1-octen-3-ol or 1-hepten-4-ol were also observed in the heated systems compared to the controls. All of these volatile compounds have been identified among the volatile profile of cooked seafood. Conversion of low value fish derived materials such as fish powder, into more valuable products such as flavour precursors and subsequently flavour compounds might be a commercially viable proposition for the fish industry
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