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KMID : 0380619930250040327
Korean Journal of Food Science and Technology
1993 Volume.25 No. 4 p.327 ~ p.333
Study on the Quality Improvement of Sardine Surimi




Abstract
The processing conditions and quality of sardine surimi were examined: Raw sardine meat was separated, washed in 0.2% NaHCO©ý and 0.15% NaCl solution, and then dewatered by centrifuge. The dewatered sardine meat was chopped, mixed with 20% emulsion curd (soybean protein : water : refined sardine oil=1 : 5 : 2.6), 4% sorbitol, 4% sucrose, 0.2% polyphosphate and 0.1% sodium erythorbate by stone mortar. The mixed sardine meat was frozen with contact freezer, packed in carton box and then stored at -25 2¡É . The moisture, crude protein and lipid contents of the sardine surimi product was 73.3%, 15.0% and 6.9%, respectively. Fatty acid composition of product consisted of 28.8% of saturates, 24.3% of monoenes and 47.7%r. of polyenes and the major fatty acids were 16 : 0, 20 : 5, 18 : 1, 22 : 6 and 16: 1. The results of changes in POV, TBA value, fatty acids, texture and sensory score of products during frozen storage showed that lipid oxidation and freeze denaturation of product could be retarded, and flavor enhanced by addition 20% emulsion curd and 0.1% sodium erythorbate. In an attempt to apply sardine surimi in producing surimi-based product, it was concluded that pollack surimi could be substituted with sardine surimi up to 40% without showing any significant changes in texture and taste of surimi-based product.
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