期刊
MEAT SCIENCE
卷 72, 期 1, 页码 108-115出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.meatsci.2005.06.008
关键词
restructured beef steak; walnut; frozen storage; physicochemical characteristics; lipid oxidation; sensory evaluation
Physicochemical (thawing loss, cooking loss, surface shrinkage, texture, colour and lipid oxidation) and sensory properties of restructured beef steak with different levels of added walnut (0%, 10% and 20%) were determined at various times during frozen storage up to 128 days. Cooking loss (CL), Kramer shear force (KSF) and binding strength (BS) of restructured beef decreased (P < 0.05) as the proportion of walnut increased. Walnut enhanced (P < 0.05) lightness and yellowness and reduced (P < 0.05) redness. Frozen storage did not affect (P > 0.05) CL, KSF and BS of restructured beef steak. Redness decreased (P < 0.05) over storage for all samples. Lipid oxidation of restructured beef steak containing walnut was not a limiting factor for frozen stability of meat products. Frozen storage had no effect (P > 0.05) on the sensory quality of restructured beef steak. (c) 2005 Elsevier Ltd. All rights reserved.
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