Abstract

본 연구는 비육한우 32두(거세우 16두, 암소 16두)를 대상으로(C-1구 거세우에게 일반사료 : C-2구 암소에게 일반사료 : T-1구 거세우에게 쑥 2% 첨가 : T-2구 암소에게 쑥 2% 첨가) 4개 처리구를 두고 14개월간(생후 14개월-27개월) 비육시험한 결과는 다음과 같다. 등심부위의 전단력과 보수성은 T-1구(<TEX>$3.20kg/0.5inch^2$</TEX>, 54.32%)가, 가열감량은 C-2구(22.22%)가 다른 처리구보다 크게 높았다(p<0.05). 관능검사의 다즙성, 연도 및 향미는 처리구가 대조구보다 높은 경향을 보였고, 그 중에서도 T-1구(5.50점-5.20점)가 가장 높게 나타났다. Catechin 성분에서 총 카테킨 및 에피카테킨 성분은 처리구(0.43-0.46 mg/kg, 0.056-0.065 mg/kg)가 대조구(0.23-0.25 mg/kg, 0.031-0.032 mg/kg)보다 더 높게 나타났다. 지방산 조성에서 oleic acid은 47.56-48.45% 정도, palmitic acid은 28.86-29.67%, stearic acid는 9.92-10.82%, palmitoleic acid 및 myristic acid는 4.68-5.49%와 2.48-3.89%의 범위로서 처리간에 유의차가 없었다. 이상의 시험결과로 볼 때, 거세한우에 대한 쑥첨가는 육질의 관능검사(다즙성, 연도, 향미) 및 이화학적 특성(전단력, 보수성)에서 크게 향상되었다. This study was conducted to determine the effect of feeding dietary mugwort on the beef quality during 14 month(from 14 month to 27 month) with 32 heads of fattening Hanwoo. Fattening Hanwoos were randomly allotted 4 treatments(8 heads/treatment): C-1[(control(0%) of Hanwoo steers)], C-2[(control(0%) of Hanwoo heifers)], T-1(supplemented with mugwort powder 2.0% of Hanwoo steers), T-2(supplemented with mugwort powder 2.0% of Hanwoo heifers). The shear force value and water holding capacity(WHC) of longissimus muscle were the highest in T-1(<TEX>$3.20kg/0.5inch^2$</TEX>, 54.32%) and cookingloss was in C-2(22.22%) than the others(p<0.05). However, panel test scores of juiciness, tenderness and flavor of longissimus muscle were the highest for T-1(5.20-5.50 point) between the treatment group. The total catechin and epicatechen in longissimus muscle were higher in treatment group(0.43-046 mg/kg, 0.056-0.065 mg/kg) than control group(0.23-0.25 mg/kg, 0.031-0.032 mg/kg)(p<0.05). The content of total fatty acid in longissimus muscle were oleic acid(48.45-47.56%), palmitic acid(29.67-28.86%), stearic acid(9.92-10.82%), palmitoleic acid and myristic acid(4.68-5.49%, 2.48-3.89%) of range. In conclusion, the effects of feeding dietary mugwort of Hanwoo steer were improved the quality beef with highly panel test scores(juiciness, tenderness, flavor) and physical-chemical characteristics(shear force value, WHC).

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