전통양념으로 발효숙성하여 진공포장한 돼지고기의 저장 중 품질 변화
Changes of Qualities in Vacuum Packed Fermented Pork Using a Korean Traditional Sensoning During Storage
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초록
돼지 바깥 볼깃살을 채취하여 7×10×2cm 크기로 자른 후 육을 동일한 비율의 소스(된장소스 T1, 마늘소스 T2, 고추장소스 T3)에 침지하여 0±1℃에서 10일간 발효숙성한 후 진공포장하여 1±1℃에서 9주 동안 보관하면서 품질 측정한 결과는 다음과 같다. pH 및 전단가는 모든 처리구들이 낮아지고 보수력은 T2가 낮아졌으며, 당도는 T1이 높아지고 염도는 모든 처리구들이 높아졌다. 다른 두 구에 비하여 pH는 T2가 높고 보수력, 당도 및 전단가는 T2가 낮았으며, 염도는 T1>T2>T3 순이었다. VBN은 모든 처리구들이 높아졌고 T1>T2>T3 순이었다. TBARS는 T1은 높아진 반면 T2는 낮아졌으며 저장 말기 T1>T3>T2 순이었다. 표면육색 L* 값은 T1이 높아지고 T3는 낮아졌고 상대적으로 a* 값은 T1이 낮아지고 T2는 높아졌으며, b 값은 T3가 낮아졌다. L* 값은 다른 두 구에 비하여 저장 초기 T3, 저장 중기 T2, 저장 말기 T1이 높았으며, a* 및 b* 값은 T3>T1>T2 순이었다. 심부육색 L* 및 b* 값은 T1이 높아졌으며, a* 값은 T2가 낮아졌다. L* 값은 다른 두 구에 비하여 T3가 낮았고 b* 값은 저장 말기 T2가 낮았으며, a* 값은 저장 말기에 T3>T1>T2 순이었다. 총 균수는 모든 처리구가 높았으며, T2가 높은 경향을 보였다. 대장균은 모든 처리구가 낮아졌으며, 저장초기에 T2가 높았다. 유산균은 모든 처리구가 증가하였으며, 처리간에 다른 두 구에 비해 T3가 낮았다. 관능검사 결과 저장 초기에 비하여 저장 말기에 모든 항목에서 유의적인 차이는 없었으나 향, 맛, 육색, 연도, 염도 및 전체적인 기호도는 낮아지는 경향을 나타냈다. 육색 및 전체적 기호도는 저장 초기에 T3가 다른 두 처리 구에 비하여 높았으나 저장 말기에는 유의적인 차이를 보이지 않았다.
Abstract
Outside muscle of pork ham were cut to cube(7×10×2cm) and three Korea traditional seasonings such as soybean paste(T1), garlic paste(T2), red pepper paste(T3) were seasoned by the proportions of meat to seasonings(1:1), respectively. The seasoned samples were fermented by fill into plastic box at 0±1℃ for 10 days. And then, the fermented meat from each pack was vacuum-packaged and stored at 0±1℃ for up to 9 weeks. pH and shear force were decreased during storage periods in all treatment groups and WHC was decreased with storage in T2. The saccarinity of T1 was increased and salinity increased during storage in all treatment groups. pH of T2 was increased than that of other treatments, while decreased saccarinity and shear force of in T2. The salinity were higher in the order of T1>T2>T3. Volatile basic nitrogen (VBN) value were increased with storage in all treatment groups. Thiobarbituric acid reactive substances (TBARS) value of T1 was increased with storage while it was decreased T2. Thiobarbituric acid reactive substances(TBARS) value was higher in the order of T1>T3>T2 at 9weeks of storage. Surface meat L* values of T1 was increased with storage and T3 decreased with storage whereas, surface meat a* values of T1 was decreased with storage, and T2 was increased with storage. Surface meat b* values of T3 was decreased with storage. Escherichia coli were decreased during storage periods in all treatment groups.
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