Effect of brine thawing/salting on endogenous enzyme activity and sensory quality of Iberian dry-cured ham

被引:18
作者
Flores, M. [1 ]
Aristoy, M. C. [1 ]
Antequera, T. [2 ]
Barat, J. M. [3 ]
Toldra, F. [1 ]
机构
[1] CSIC, Inst Agroquim & Tecnol Alimentos, Paterna 46980, Valencia, Spain
[2] Univ Extremadura, Dept Zootecnia, Unidad Tecnol Alimentos, Caceres, Spain
[3] Univ Politecn Valencia, Dept Tecnol Alimentos, Valencia 46022, Spain
关键词
Iberian ham; Accelerated proessing; Lipases; Proteases; Enzymes; Free fatty acids; Free amino acids; Sensory; FLAVOR DEVELOPMENT; AMINO-ACIDS; LIPOLYSIS; PIGS;
D O I
10.1016/j.fm.2011.06.011
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Simultaneous brine thawing/salting process was applied as an alternative to traditional pile salting process using 51 frozen Iberian hams. The effect of this type of salting process on endogenous enzyme activity and sensory quality of Iberian dry-cured hams was analysed. The frozen hams were simultaneously thawed and salted with saturated brine, with and without vacuum pulses, and were compared to hams thawed under refrigeration and traditionally salted. The peptidase and lipase activities were measured at the end of salting and post-salting stages. The activity of cathepsin B+L was reduced in the two brine salted batches while few differences among batches were observed for the other peptidases. Several lipase activities were significantly reduced in the two brine salted batches. The brine thawed processing affected the free fatty acid content at the different stages although the differences were more appreciated at the beginning of the process and no differences were observed at the end. The long ripening time makes these differences negligible and the consumer did not appreciate any differences between the sensory quality of Iberian brine/thawed hams and traditional Iberian thawed pile salted hams. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码:247 / 254
页数:8
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