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강선문,정재경,판조노,강창기,이성기,Kang, Sun-Moon,Cheong, Jae-Kyoung,Pan, Jo-No,Kang, Chang-Gie,Lee, Sung-Ki 한국축산식품학회 2008 한국축산식품학회지 Vol.28 No.5
본 연구는 비육기 이전에 초지에서 방목한 한우육과 옥내에서 비육한 한우육의 품질을 비교하고자 실시하였다. 방목사육구는 $28{\pm}4$개월령 암소 5두를 7개월 동안(4월-11월)방목한 다음 다시 6개월 동안 옥내에서 비육하였으며, 옥내사육구는 6개월령 거세우 10두를 24개월 동안 옥내에서 비육하였다. 시료로 등심(M. longissimus)부위를 채취하여 $4{\pm}0.2^{\circ}C$에서 7일 동안 저장하였다. 도체성적은 방목우의 도체중, 지육율, 배최장근단면적 및 육질등급이 옥내사육우보다 낮았으나(p<0.05), 조직감 및 성숙도는 방목우가 높았다(p<0.05). 조지방 및 n-6 지방산, n-6/n-3은 방목우가 낮았으나(p<0.05), n-3 지방산, 포화지방산은 방목우가 높았다(p<0.05). pH 및 보수력은 방목우가 낮았으며(p<0.05), 전자코에 의한 향기패턴은 두 처리구들간에 뚜렷한 차이를 보였다. 저장중 품질은 방목우의 지방 및 육색소 산화안정성이 낮았으며, 옥내사육 우보다 어둡고 덜 붉은 육색을 나타내었다.
숙성마늘 추출물의 첨가가 세절한 닭고기의 냉장 중 육색 및 지방산화에 미치는 영향
강선문,주진우,김태실,이익선,판조노,Sung Ki Lee 강원대학교 동물생명과학연구소(구 강원대학교 동물자원공동연구소) 2007 동물자원연구 Vol.18 No.-
This study was carried out to investigate the effects of addition of aged garlic extract (AGE) on the color and lipid oxidation of ground chicken during refrigerated storage. The leg meat from 6 weeks-broiler was chopped and added with 4% of distilled water (control) and AGE, respectively, and then stored at 4±0.2℃ for 8 days. The commercial garlic was aged for the relatively short time (40-90℃/300 hr →natural dryness/40 hr→20-30℃/30-50 hr). The pH value was not significantly different between control and AGE-added chicken. The TBARS level of chicken was remarkably inhibited by addition of AGE during storage. In CIE color values, AGE-added chicken showed lower L* and higher b*, C* and Ho values than those of control during storage. Therefore, the addition of AGE in ground chicken enhanced the lipid oxidative stability and change to dark color.
한우우사 바닥의 톱밥두께가 도축 후 등심의 육질에 미치는 영향
강선문,박연수,이익선,김태실,판조노,이성기,Kang, Sun-Moon,Park, Yeon-Soo,Lee, Ik-Sun,Kim, Tae-Sil,Pan, Jo-No,Lee, Sung-Ki 한국축산식품학회 2008 한국축산식품학회지 Vol.28 No.2
본 연구는 한우우사 바닥면의 톱밥두께가 도축후 등심의 육질에 미치는 영향을 구명하고자 실시하였다. 7개월 령의 비거세 수소 22두를 톱밥이 10, 15 및 20 cm로 깔린 단방우사($3{\times}8\;m^2$)에서 27개월령까지 사육한 후 도축하여 등심(M. longissimus) 부위를 $4{\pm}0.2$에서 9일 동안 저장하였다. 도체성적, pH, 보수력, 드립감량, 가열감량, 전단력, 전자코에 의한 향기패턴 및 관능적 기호도는 톱밥두께에 따른 유의적인 차이가 없었다. 일반성분 함량 및 지방산 조성은 20cm가 가장 높은 조지방 함량과 가장 낮은 n6/n3을 보였다(p<0.05). 저장중 총환원력은 9일째에 10cm가 가장 높았던 반면(p<0.05), TBARS는 가장 낮았다(p<0.05). 표면육색소 함량은 저장기간 동안 10 및 20 cm의 MetMb이 15cm보다 낮았던 반면(p<0.05), OxyMb은 높았다(p<0.05). 표면육색은 저장기간 동안 10 및 20 cm가 15 cm보다 붉은 육색을 나타내었다(p<0.05).
이성기,강선문,이익선,서동관,권일경,판조노,김희주,가천흥,박재인,Lee, Sung-Ki,Kang, Sun-Moon,Lee, Ik-Sun,Seo, Dong-Kwan,Kwon, Il-Kyung,Pan, Jo-No,Kim, Hee-Ju,Ga, Cheon-Heung,Pak, Jae-In 한국축산식품학회 2010 한국축산식품학회지 Vol.30 No.2
The objective of this study was to manufacture spent layer chicken meat products by natural freeze-drying. The spent layers of chickens that were slaughtered at 80 wk were obtained from a local slaughter house and separated into two halves of carcasses. The samples were divided into the following groups: 1) control (non-curing), 2) curing, and 3) curing with 2% trehalose before drying. The cured meats were placed at $2^{\circ}C$ for 7 d and then transferred to a natural drying spot located in Injae City, Gangwondo, Korea. The experiment was conducted from January to March in 2008. The average temperature, RH, and wind speed were $-1.5^{\circ}C$, 63%, and 1.8 m/sec, respectively. The cured treatments showed higher pH, lower Aw and lower shear force value compared with the control. Based on the results of TBARS (2-thiobarbituric acid reactive substances) level and volatile basic nitrogen value, lipid oxidation and protein deterioration were inhibited in curing treatments during drying. Trehalose acted as a humectant because it maintained a lower water activity despite the relatively higher moisture content during drying. The polyunsaturated fatty acids content and sensory attributes were higher in cured treatments than in the control during drying. Most of the bacterial counts in the treated groups were lower by 2 Log CFU/g after 1 mon of drying, and Salmonella spp. and Listeria spp. were not found in any treatment. There was also no microbial safety problem associated with dried meat products. Based on the results of this experiment, dried meat products could be manufactured from precured spent layer chickens by natural freeze-drying during winter.