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European Food Research and Technology
Article . 1994 . Peer-reviewed
License: Springer TDM
Data sources: Crossref
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Effect of a food-grade enzyme preparation fromAspergillus oryzae on free fatty acid release in Manchego-type cheese from ovine and bovine milk

Authors: Fernández García, Estrella; López-Fandiño, Rosina; Alonso López, Leocadio;

Effect of a food-grade enzyme preparation fromAspergillus oryzae on free fatty acid release in Manchego-type cheese from ovine and bovine milk

Abstract

[EN] The addition of 50 mg Flavor Age (blend of lipase, proteinases and peptidases from Aspergillus oryzae) per kilogram of mixed ovine plus bovine milk for the manufacture of Manchego-type cheese caused the release of abundant free fatty acids (FFA), especially the short-chain fatty acids (C4 to C10). The effect accentuated with ripening time, the cheeses reaching a level of FFA around 2% at 120 days. The high concentration of FFA could have partially inhibited the growth of starter culture, as can be deduced from the higher residual lactose content of enzyme-treated cheeses. The results are compared and related to those obtained in a previous study on proteolysis and flavour development by the same enzyme preparation. They suggest that in the case of Man-chego-type cheese the liberation of FFA, although necessary, could be less important for flavour enhancement than the production of free amino acids. © 1994 Springer-Verlag.

[DE] Der Zusatz von 50 mg Flavor Age (Mischung von proteolytischen und lipolytischen Enzymen ausAspergillus oryzae) pro kg Milch führt bei der Herstellung von Manchegokäse zur Freisetzung von Fettsäuren, insbesondere der kürzeren (C4–C10). Der Einfluß der Enzyme war noch deutlicher im Laufe der Reifung; 2% freie Fettsäuren wurden im 120 Tage alten Käse gefunden. Die höhere Konzentration an freien Fettsäuren könnte das Wachstum der Kulturen teilweise unterdrückt haben, worauf der größere Lactose-Gehalt der Käse hinweist. Die Ergebnisse werden mit denen einer früheren Arbeit über Proteolyse und Geschmacks-Entwicklung durch denselben Enzymzusatz verglichen. Es wird diskutiert, daß freie Fettsäuren für Geschmack und Aroma von Manchegokäse weniger wichtig sein könnten als freie Aminosäuren.

This work was financially supported by the Research Project ALI910784 from the Comisión Interministerial de Ciencia y Tecnología.

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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