Supplementation of poultry diets with 3% red ginseng marc markedly reduced mortality and serum cholesterol levels and remarkably improved meat quality in broilers.
The objective of this study was to determine the effect of the meat from spent laying hen on the shelf-life and physicochemical properties of emulsified sausage. Four types of sausage were made: 0% (Control), 10% (T1), 20% (T2) and 30% (T3) of spent hen meat added. Each sausage type was tested in triplicate. The addition of spent hen meat resulted in decreased crude fat and cooking loss, and increased WHC (water holding capacity), CIE a* and hardness. Values for crude fat and cooking loss were significantly decreased by the addition of spent laying hen meat relative to the control (P<0.05). Especially, T3 was significantly (P<0.05) decreased compare to other treatment groups. Spent laying hen meat addition had no significantly effects on moisture, crude protein, crude ash, pH, WHC, TBARS (thiobarbituric acid reactive substance) values, shear force, total plate counts (TPC), CIE L* and b* values. In conclusion, this study demonstrates that the addition of spent laying hen meat to emulsified sausages tended to improve sausage quality.(Key words : spent laying hen meat, TBARS, meat color, WHC, emulsified sausage) †
The objective of this study was to evaluate the effects of different levels of red ginseng mare or Korean mistletoe powder on growth performance and physicochemical properties of thigh meat in broiler. A total of 200 broiler chicks were divided into five groups were fed a basal diet (control), basal diet supplemented with 0.5% red ginseng mare (T1), red ginseng mare 1% added (T2), Korean mistletoe 0.5% added (T3), Korean mistletoe 0.5% added (T4) for five weeks. Growth performance and proximate composition of chicken thigh meat were not influenced by all treatments, except for mortality and crude fat, which was significantly lower in all treatments with red ginseng mare or Korean mistletoe powder compared to control. Dietary red ginseng mare and Korean mistletoe supplementation had no significantly effects on pH, WHC, shear force, CIE L*, b* values, triglyceride and glucose but TBARS values total cholesterol, and LDL-cholesterol were decreased (P<0.05) by the addition red ginseng mare and Korean mistletoe powder. CIE a* values increased significantly with added red ginseng mare and Korean mistletoe powder relative to the control (P<0.05). It was concluded that the addition of red ginseng mare and Korean mistletoe powder revealed minor improvements in the lipid oxidative stability of chicken meat.
This study were carried to investigate to the effects of diet supplemented with pine needle powder on pH, total phenol contents, DPPH (1,1-diphenyl-2-picrylhydrazyl) radical scavenging activity, TBARS (thiobarbituric acid reactive substance), WHC (water holding capacity), shear force, sensory evaluation, meat color, and fatty acid composition of chicken meat. Broiler chicks were fed the corresponding diets containing 0% pine needle powder (Control), 0.3% pine needle powder (T1), 0.6% pine needle powder (T2), or 0.9% pine needle powder (T3) for five weeks. The pH and TBARS was significantly decreased by the supplementation of pine needle powder compared to the control (P<0.05). The total phenol contents and DPPH radical scavenging activity were significantly increased by the supplementation of pine needle powder compared to the control (P<0.05), and T3 showed the most effective (P<0.05) more effective in improving self-life compared to the other treatment groups. The CIE a* value of treatment groups showed significantly higher value compare to the control, however, CIE L* values was decreased. In fatty acid composition, the level of oleic acid in chicken meat was significantly (P<0.05) increased by the supplementation of pine needle powder compared with the control group. In conclusion, dietary supplementation of pine needle powder was effective in decreasing pH and TBARS, and increasing total phenol contents and DPPH radical scavenging activity in broiler meats.(Key words : pine needle powder, total phenol contents, DPPH radical scavenging activity, physico-chemical properties) † To whom correspondence should be addressed : rladudwlr1@ yahoo.
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