DIFFERENTIAL SCANNING CALORIMETRIC STUDIES OF MEAT PROTEIN-ALGINATE MIXTURES

被引:16
|
作者
ENSOR, SA [1 ]
SOFOS, JN [1 ]
SCHMIDT, GR [1 ]
机构
[1] COLORADO STATE UNIV,DEPT FOOD SCI & HUMAN NUTR,FT COLLINS,CO 80523
关键词
D O I
10.1111/j.1365-2621.1991.tb08005.x
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
Differential scanning calorimetry thermal curves of beef semimembranosus muscle showed peaks at 58, 67 and 78-degrees-C. Addition of algin/calcium binder or 5-10% connective tissue increased magnitude of the 58-degrees-C peak. For crude myofibrillar, sarcoplasmic and connective tissue proteins thermal destabilization was lowered by 7.5, 23.6 and 8.6-degrees-C, respectively, with addition of algin/calcium binder. Destabilization of tendon by the binder from about 67-degrees-C to 58-degrees-C was similar in magnitude to the shift of the 67-68 and 58-degrees-C thermal transitions reported in semimembranosus and probably indicated collagen destabilization. Thermal destabilization by algin/calcium may indicate change in physical state of proteins which could influence texture of algin/calcium restructured meat products.
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页码:175 / &
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