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, 26 (12), 1753-61

Effect of the Addition of Schisandra Chinensis Powder on the Physico-chemical Characteristics of Sausage

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Effect of the Addition of Schisandra Chinensis Powder on the Physico-chemical Characteristics of Sausage

S K Jin et al. Asian-Australas J Anim Sci.

Abstract

The individual and interactive effects of Schisandra chinensis powder (SCP) and sodium nitrite additions on color, pH, water holding capacity, residual nitrite, 2-thiobarbituric acid reactive substances (TBARS), volatile basic nitrogen, texture properties, fatty acids, amino acids and sensory evaluation of cooked pork sausages were investigated after 20 d of storage at 4°C. The powders (0, 0.5 and 1.0%) were added to sausages either alone or in combination with nitrite (0 and 100 ppm). SCP added-sausages showed lower L* (lightness) and W (whiteness) values, and higher b* (yellowness) values than sausage containing no nitrite, and exhibited the highest a(*) values at a 0.5% addition (p<0.05). Residual nitrite and TBARS values were found to be significantly reduced as the addition levels of SCP increased (p<0.05). As the addition of SCP increased, the sausage showed gradually decreased brittleness, cohesiveness, springiness, gumminess and chewiness, while adhesiveness increased. Polyunsaturated fatty acid, n-6 and n-6/n-3 fatty acid ratio concentrations were significantly higher in sausages containing SCP (p<0.05). The addition of SCP to sausage significantly (p<0.05) increased the ammonia content (by 0.5% SCP) and aromatic amino acid concentrations (by 1.0% SCP) (p<0.05). Inclusion of SCP in sausage meat resulted in a significant deterioration in quality characteristics of flavor, springiness, juiciness and overall acceptability (p<0.05). As expected, the observed changes in a*, W, pH, shear force, texture property, TBARS, fatty acid, amino acid and sensory score of sausages, depended on the rate of addition of nitrite (p<0.05). These results suggest that SCP addition is not an effective way of improving the sensory evaluation of sausages, but may beneficially affect TBARS, nitrite scavenging activity, fatty acid and amino acid content in pork sausages.

Keywords: Sausage; Schisandra chinensis; Sodium Nitrite; TBARS; Textural Property.

Figures

Figure 1.
Figure 1.
Interaction between nitrite and SCP in the a* color of sausages. a–d Means with different superscript significantly differ at p<0.05.
Figure 2.
Figure 2.
Interaction between nitrite and SCP in residual nitrite (ppm) of sausages. a–d Means with different superscript significantly differ at p<0.05.
Figure 3.
Figure 3.
Interaction between nitrite and SCP in TBARS (mg/100 g) of sausages. a–d Means with different superscript significantly differ at p<0.05.

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