Breakfast sausages containing 1, 2, 3, and 4% sea tangle powder (Lamina japonica) were prepared. No differences were found in moisture, protein, and fat contents among the control and treatments. However, the ash content increased with increasing amounts of sea tangle powder (p<0.05). The pH levels in the treated samples were lower than the control in both the meat batters and the breakfast sausages (p<0.05). The L * and a * values of the meat batters and breakfast sausages were decreased by the addition of the sea tangle powder, and the control had the highest b * value (p<0.05). The added sea tangle powder improved cooking loss and improved emulsion stability. The T4 sample (containing 4% sea tangle powder) was shown to have the lowest cooking loss and water loss (p<0.05). The hardness, gumminess, and chewiness of the treatments increased compared to the control due to the presence of dietary fibers in the sea tangle. In the sensory evaluations, the 1% sea tangle powder treatment received a lower color score, but received significantly higher scores for flavor, tenderness, and juiciness (p<0.05). Collectively, the breakfast sausage containing 1% sea tangle powder was determined to have the highest overall acceptability. Altogether, the best results, in terms of physicochemical and sensory properties, were obtained for the breakfast sausage containing 1% sea tangle powder.
The objective of this study was to examine the effect of adding various humectants (konjac, egg albumin, and isolated soy protein) on the properties of semi-dried chicken jerky. Jerky samples were prepared as follows: control with no humectants and treatments with 0.05, 0.1, and 0.2% of added humectants. Adding the humectants influenced the increase in pH, processing yields, moisture contents, water activity, mechanical tenderness, and sensorial properties (tenderness, juiciness, and overall acceptability) of chicken jerky. Additionally, the konjac treatment most improved the yields, tenderness, and sensorial traits, among the humectant treatments tested. Furthermore, adding 0.1% konjac during jerky manufacture resulted in similar quality properties as adding 0.2% konjac.
Ground pork containing 0, 1, 2, or 3% rice bran fiber was prepared. pH increased as the amount of rice bran fiber added increased (p<0.05) but decreased during storage. The lightness and redness values of the raw ground pork decreased with the addition of rice bran fiber, and ground pork containing 3% rice bran fiber had the highest yellowness value during early storage (p<0.05). Moreover, adding rice bran fiber was not associated with color stability during storage. Samples containing 2 or 3% rice bran fiber had improved cooking loss, hardness, gumminess, and chewiness. Furthermore, rice bran fiber enhanced tenderness, juiciness, and overall acceptability on a sensory evaluation. These physico-chemical properties were maintained to the final storage period. The best results were obtained with ground pork containing 2 or 3% rice bran fiber. Rice bran fiber combined with useful antioxidants may be a more effective approach to increase the stability of ground pork during cold storage.
In this study, we evaluated the physicochemical and sensorial properties of frozen Hanwoo beef patties prepared from prerigor and post-rigor muscle with soybean sauce or sodium chloride. The pH of the soybean sauce treatments was lower than the sodium chloride treatments (p<0.05); however, the Hanwoo patty prepared from pre-rigor muscle with soybean sauce had a lower cooking loss and smaller diameter than the Hanwoo patty prepared under the same conditions from post-rigor muscle (p<0.05). The addition of the soybean sauce inhibited lipid oxidation due to the antioxidative materials in soybean sauce such as melanoidin. The hardness of patties prepared from pre-rigor treatment was lower relative to those prepared from post-rigor muscle (p<0.05); however, there was no significant difference between springiness, cohesiveness, and chewiness (p>0.05). In the sensory evaluation, patties prepared from pre-rigor muscle with soybean sauce had a significantly high score in all traits (p<0.05); thus, pre-rigor muscle with soybean had the highest overall acceptability. Furthermore, the addition of soybean sauce to pre-rigor muscle produced similar effects as those observed for the addition of sodium chloride in regards to psychochemical properties. Moreover, meat products produced from pre-rigor muscle will have better antioxidative and sensorial properties.
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