Effect of commercial proteases on shelf-life extension of Iberian dry-cured sausage

M.J. Petrón, J.M. Broncano, Jeanette Anita Held Otte, L. Martín, M.L. Timón

5 Citationer (Scopus)

Abstract

Forty dry-cured sausages from Iberian pigs were manufactured using 3 different proteases (batch 1: without proteases, batch 2: neutral bacterial proteases, batch 3: fungal proteases and batch 4: fungal proteases concentrate). The effect of proteases on formation of low molecular weight (LMW) compounds with antioxidant activity to extend shelf-life of Iberian dry-cured sausages was evaluated. The use of proteases significantly increased the antioxidant activity (P < 0.001) and the amount of fraction rich in LMW compounds (P < 0.001). Extracts from batch 4 showed a high antioxidant activity and with the highest amounts of LMW-rich fractions (P < 0.001). In addition, samples from batch 4 displayed a higher stability against lipid oxidation and degradation of red colour (P < 0.001) in comparison with the rest of samples.

OriginalsprogEngelsk
TidsskriftLebensmittel - Wissenschaft und Technologie
Vol/bind53
Udgave nummer1
Sider (fra-til)191-197
Antal sider7
ISSN0023-6438
DOI
StatusUdgivet - sep. 2013

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