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Physico-chemical and Sensory Characteristics of Cooked Sausage Substituted with KCl or MgCl2 for NaCl  

Jin, Sang-Keun (Dept. of Animal Res. Techn., Gyeongnam National Univ. of Sci. Techn.)
Kim, Il-Suk (Dept. of Animal Res. Techn., Gyeongnam National Univ. of Sci. Techn.)
Hur, In-Chul (Dept. of Animal Res. Techn., Gyeongnam National Univ. of Sci. Techn.)
Nam, Sang-Hae (Dept. of Food Sci., Gyeongnam National Univ. of Sci. Techn.)
Kang, Suk-Nam (Swine Sci. Techn. Center, Gyeongnam National Univ. of Sci. Techn.)
Shin, Daekeun (Swine Sci. Techn. Center, Gyeongnam National Univ. of Sci. Techn.)
Publication Information
Journal of agriculture & life science / v.45, no.5, 2011 , pp. 81-89 More about this Journal
Abstract
This study was carried out to investigate changes in physicochemical and sensory properties of cooked sausages replaced sodium chloride (NaCl) to potassium chloride (KCl) or magnesium chloride ($MgCl_2$) during storage for 30 days under $4^{\circ}C$. All sausages were prepared with different combination of salts as follow; CTL (1.5% NaCl), KCL (0.9% NaCl+0.6% KCl), MCL (0.9% NaCl+0.6% $MgCl_2$), KML (0.9% NaCl+0.3% KCl+0.3% $MgCl_2$) and PST (1.5% PanSalt). Among sausages moisture content in KML was the highest (p<0.05). Lightness and redness in CTL were lower than those of other treatments, but MCL and KML containing $MgCl_2$ showed higher CIE $L^*$ and $a^*$ values than CTL. The pH in CTL was the highest during storage, however, no significant difference was determined between two treatments, MCL and KML (p>0.05). Crude fat content and water holding capacity (WHC), hardness and cohesiveness of MCL sausages were higher than those of CTL. In sensory characteristics of cooked sausages, saltness in MCL was the lowest during 10 and 20 days of storage (p<0.05). Yellowness in PST was lower than other treatmeants. Gumminess and chewiness of texture property of sausages from MCL and KML were higher than CTL. The results indicate that the replacement of NaCl by KCl improved texture, but meat color was not improved as expected. In contrast, the replacement of NaCl by $MgCl_2$ enhanced color, texture and WHC, whereas partial replacement of NaCl by $MgCl_2$ must reduce bitter taste as compared to sausages manufactured with a NaCl only. Therefore, $MgCl_2$ may be a salt replacing NaCl in cooked pork sausages.
Keywords
Sodium chloride; Magnesium chloride; Potassium chloride; Sausage; Storage;
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