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- W1990396927 abstract "본 시험은 육계에 야콘 부산물 분말을 급여량(0, 1.0 및 2.0%)에 따라 급여하여 5주간 사육한 육계의 생산성과 다리육의 pH, 총페놀함량, 전자공여능, TBARS, WHC, 전단력, 육색 및 관능평가를 조사하였다. 실험구는 야콘 부산물 분말을 첨가 급여하지 않은 처리구를 대조구, 야콘 부산물 분말 0.5% 급여구는 T1, 야콘 부산물 분말 1% 급여구는 T2 그리고 야콘 부산물 분말 2.0% 급여구를 T3 등으로 나누어 사양하였다. 야콘 부산물을 급여한 육계의 증체량, 사료섭취량 및 사료요구율 등의 생산성 변화는 관찰되지 않았으나, 폐사율은 감소하였다. 혈액 생화학 성상 분석 결과, 야콘 부산물의 첨가 급여는 총콜레스테롤과 LDL-cholesterol 및 triglyceride는 감소하고, HDL-cholesterol과 glucose는 증가하였다. 야콘 부산물을 급여한 계육의 pH, TBARS는 야콘 부산물 급여량이 증가함에 따라 낮아지는 결과(P<0.05)를 보이므로 야콘 부산물 급여는 계육의 저장성 향상에 도움이 될 것으로 기대된다. 총페놀함량과 전자공여능은 대조구보다 야콘 부산물 급여구에서 함량이 증가하였으며(P<0.05), 보수성과 전단력은 처리구간 유의성이 없었다. 계육의 육색 중 CIE <TEX>$L^*$</TEX>값과 CIE <TEX>$a^*$</TEX>값은 대조구보다 야콘 부산물 분말 급여구에서 높아졌으며(P<0.05), CIE <TEX>$b^*$</TEX>값은 야콘 부산물 급여량에 의한 처리구 간의 유의적인 변화가 없는 결과이었다. 관능검사 결과, 야콘 부산물을 급여함으로써 연도는 높아졌지만, 다즙성과 육향은 유의성이 없었다. 결론적으로 야콘 부산물 분말 2%를 육계에 급여하면 pH와 TBARS가 낮아지고, 총페놀함량이 높아지며, 전자공여능이 향상되어 계육의 저장성이 개선될 것으로 기대된다. This study was investigated the effects of dietary supplementation of Yacon by-product powder on performance, pH, total phenol contents, DPPH (1,1-diphenyl-2-picrylhydrazyl) radical scavenging activity, TBARS, WHC, shear force, meat color, and sensory evaluation of chicken thigh meat. Broiler chicks were fed diets for five weeks containing 0% Yacon by-products powder (Control), 0.5% Yacon by-products powder (T1), 1.0% Yacon by-products powder (T2), and 2.0% Yacon by-products powder (T3). There was no significant difference in performance among treatments, but mortality was decreased in diets by the supplementation of Yacon by-product powder than that of control. The total cholesterol, LDL-cholesterol and triglyceride of control were higher than treatment groups and HDL-cholesterol and glucose of control was lower than treatment. The pH and TBARS were significantly decreased by the supplementation of Yacon by-product powder compared to the control (P<0.05). The total phenol contents and DPPH radical scavenging activity were significantly increased by the supplementation of Yacon by-product powder compared to those of the control group (P<0.05), and especially, T3 was significantly (P<0.05) more effective in improving freshness compared to other treatment groups. The WHC (water holding capacity) and shear force were not significantly different. CIE <TEX>$L^*$</TEX> and <TEX>$a^*$</TEX> value of treatment groups showed significantly higher value compare to the control, however, no difference in the CIE <TEX>$b^*$</TEX> values was observed among treatment groups. In conclusion, a supplementation of Yacon by-product powder was effective in decreasing pH and TBARS (thiobarbituric acid reactive substance), and increasing total phenol contents and DPPH radical scavenging activity." @default.
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- W1990396927 date "2013-03-31" @default.
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- W1990396927 title "Effects of Dietary Supplementation of Yacon (Polymnia sonchifolia) by-products on Performance and Physico-chemical Properties of Chicken Thigh Meat" @default.
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