브로일러와 주령이 다른 산란 성계육의 육질 및 가공적성

백기호(Ki Ho Baek),이승규(Seung Gyu Lee),Dicky Tri Utama,안병기(Byoung Ki An),이성기(Sung Ki Lee) 한국가금학회 2017 韓國家禽學會誌 Vol.44 No.1

본 연구는 6주령 브로일러(Arbor Acre)와 함께 70, 95주령 산란 성계(Hy-line)의 가슴육과 다리육을 이용해 주령에 따른 산란 성계육의 육질특성 및 가공적성을 브로일러와 비교·평가하여 원료육으로서의 가치를 구명하고자 실시하였다. 브로일러는 생육과 유화물에서 우수한 보수력 및 유화안정성을 보였으며, 관능평가에 있어서 높은 점수를 받았다. 성계육 내에서 연령이 증가할수록 조직감이 질긴 특성을 보였으나, PUFA/SFA 및 n-6/n-3 지방산 조성이 유사하고, 가열육에 대한 관능검사 결과, 연령에 따른 차이를 나타내지 않았으며, 생육과 유화물에서의 가열감량과 수분손실이 유사하여 가공육의 원료로서 95주령 성계육이 70주령의 성계육과 동등한 수준의 이용성을 지닌 것으로 판단할 수 있었다. This study was conducted to identify the quality and functional properties of meat and meat batter among commercial broilers and two different ages of spent layers. Breast and whole leg meat samples were prepared from the broilers and spent layers to compare meat quality traits: Commercial broiler (Arbor Acre; 6-week-old) and two different ages of spent layers (Hy-Line; 70 and 95-week-old). Three types of meat batters containing breast meat as 50% of total ingredients were also prepared to analyze processing qualities. The broiler showed the highest water holding capacity (p<0.05) and the lowest cooking loss value (p<0.05) in both meat and meat batter samples. The breast and leg meat of the 95-week-old layers showed the highest shear force value (p<0.05), and also showed the highest shear force and hardness values in the meat batter. Although the oldest layer meat showed tougher textural traits than the 70-week-old layers, no significant differences were found for cooking loss and water loss values in both the meat and meat batter samples. Besides, panelists gave equivalent scores within different ages and parts of the cooked layer meats in the sensory evaluation. Similar ratios of polyunsaturated fatty acids to saturated fatty acids, and omega-6 to omega-3 fatty acids were obtained from both the 70-week-old layer and 95-week-old layer meats. In conclusion, the 95-week-old spent layers, especially for breast meat, had equivalent potential as raw materials for processed meat products compared to the 70-week-old layers.

4계통 재래종 닭고기의 이화학적 특성 비교

이승규(Seung Gyu Lee),Dicky Tri Utama,백기호(Ki Ho Baek),박영현(Young Hyun Park),한재용(Jae Yong Han),이성기(Sung Ki Lee) 한국가금학회 2015 韓國家禽學會誌 Vol.42 No.4

본 연구는 4종의 재래닭인 연산오계, 현인흑계, 횡성약닭, 황봉의 육량과 육질을 상호 비교하기 위하여 실시하였고, 대조구로 백색 레그혼을 사용하였다. 시험용 닭을 모두 동일한 조건에서 56주간 사육하여 도계한 후 48시간에 이화학적 조사를 실시하였다. 4종의 재래닭은 모두 부위와 상관없이 백색레그혼에 비해 전단력이 높았다. 또한 4종류의 재래닭의 가슴육은 백색레그혼보다 n6/n3 지방산 비율과 보수력이 낮고 가열감량이 높았다(p<0.05). 생체중과 도체중은 황봉이 유의적으로 가장 높았다(p<0.05). 지방산 조성에서 맛과 관련이 있는 올레산 함량은 횡성약닭의 가슴육이 39.6%로 유의적으로 높았고, n6/n3 비율도 횡성약닭의 가슴육이 8.93, 다리육이 12.57로 다른 품종에 비해 유의적으로 낮았다(p<0.05). 연산오계는 가슴육과 다리육 모두에서 지방함량이 높았고, 품종 특성 때문에 L*, a*, b*가 낮아 어두운 경향을 보였다(p<0.05). 조직감을 보면 황봉의 가슴육과 다리육에서 전단력, 응집성, 검성, 씹힘성이 높았다(p<0.05). 관능검사의 결과를 보면 향기는 황봉의 가슴육이 유의적으로 높았고, 종합기호도에서 황봉과 횡성약닭이 유의적으로 높았다(p<0.05). 결론적으로 4종류의 재래닭이 백색레그혼에 비해 공통적으로 조직이 단단하고 보수력이 낮은 특징을 보였고, 재래종간에도 조직감, 지방산 조성(n6/n3 비율), 육색, 관능검사에서 차이가 있는 것으로 나타났다. This study was conducted to compare carcass yield and meat quality among four lines of Korean native chickens (Yeonsan Ogye, Hyunin Black, Hoengseong Yakdak and Hwangbong) and White Leghorn as control. Chickens (N=23, male) were grown under same conditions and slaughtered at 56 weeks old to observe the physicochemical differences in breast and leg meats. The live and carcass weights of Hwangbong were significantly higher than other chickens (p<0.05). Four lines of Korean native chickens, regardless of the part, had higher shear force value than White Leghorn (p<0.05). In addition, the breast meat of Korean native chickens had higher cooking loss and lower water holding capacity than that of White Leghorn. The cooked meat of Hwangbong particularly were more chewy, gummy and cohesive with lower tenderness than other chickens (p<0.05). Oleic acid content which is related to meat flavor was significantly higher in the breast meat of Hoengseong Yakdak (39.6%). The meat of Korean native chickens had lower n6/n3 ratio, in which the breast and leg meat of Hoengseong Yakdak contained the lowest ratio (p<0.05). The meat of Hwangbong and Hoengseong Yakdak were more acceptable than the others according to sensory test (p<0.05).

안와에 발생한 원발성 악성임파종 1 례

신승완(Seung Wan Shin),이성기(Sung Ki Lee),김봉철(Bong Cheol Kim) 대한안과학회 1995 대한안과학회지 Vol.36 No.4

2-Arch 터널의 막장면 종방향 적정 이격거리에 관한 연구

이민규,정지수,이성기,이승호,Lee, Min-Kyu,Jeong, Ji-Su,Lee, Sung-Ki,Lee, Seung-Ho 한국터널지하공간학회 2007 한국터널지하공간학회논문집 Vol.9 No.4

최근 선형분리 곤란, 환경훼손 최소화 및 용지보상 등의 이유로 2-Arch 터널의 채택이 점점 증가하고 있다. 이런 실정에도 불구하고 2-Arch 터널은 국내에서의 시공실적 및 설계사례의 부족으로 자료의 데이터화가 체계적이지 않고 2-Arch 터널의 역학적인 거동 메커니즘에 대한 연구가 미흡한 실정이다. 따라서 본 연구에서는 2-Arch 터널의 종방향 이격거리에 대한 연구를 통해 본선 선행터널과 중앙벽체의 거동 메커니즘을 분석하고 적정 이격거리를 제안하고자 한다. 2-Arch 터널의 이격거리 산정은 터널의 안정이 확보되는 조건에서 산정하는 것이 타당하며, 이격거리에 따라 보다 민감하게 작용하는 중앙 벽체의 거동에 영향을 최소화 할 수 있는 범위내에서 이격거리를 산정하는 것이 바람직할 것으로 판단된다. 또한 이격거리에 따른 중앙벽체의 민감도 분석결과 최대 변곡점이 생겨 급격한 응력변화가 발생하는 0.5D이내를 이격거리로 산정하는 것이 타당할 것으로 사료된다. Recently, due to the effective land utilization and environmental protection, the construction of 2-arch tunnel has been gradually increased. In spite of this tendency, the mechanical information for the 2-arch tunnel, especially such as its behavior characteristics and mechanism are not enough. Therefore in this study, the theoretical and numerical studies on the behavior characteristics of 2-arch tunnel are carried out and longitudinal optimum separated distance of tunnel face is proposed by considering the analysis results from the behavior of advanced excavation of tunnel and stress of central pillar. As a result, longitudinal optimum separated distance of tunnel face is in 0.5D for the better safety of 2-arch tunnel by rapidly decreasing the stress concentration of central pillar.

축산물의 유용성 표시에 대한 고찰

장애라,채현석,유영모,함준상,정석근,이승규,안종남,김동훈,이성기,이의수,Jang, Ae-Ra,Chae, Hyun-Seok,Yoo, Young-Mo,Ham, Jun-Sang,Jeong, Seok-Geun,Lee, Seung-Gyu,Ahn, Chong-Nam,Kim, Dong-Hoon,Lee, Sung-Ki,Lee, Eui-Soo 한국축산식품학회 2009 한국축산식품학회지 Vol.29 No.5

This article concerns the labeling guideline for health benefits of livestock products. In recent years, livestock products with health benefits have emerged as a key market for livestock product industries. However, the current labeling regulation for functional foods severely prohibits livestock product industries from attaching most of the health benefits claims to the products. Also, manufacturers have some difficulties in labeling the health benefits of certain livestock products because of a lack of guidelines on health benefit claims for livestock products. Therefore, some livestock product industries and scientists have strongly demanded a revision of labeling regulation, Appended Chart No. 14 provided by Article 52 (2) of Enforcement Regulation of the Processing of Livestock Products Act, so they could mark the health benefits on their products. To support the 'revision of labeling regulation', the goals of this article were as follows; 1) to assess the current situation on nutrition labeling and nutrition claims on foods, 2) to determine the current situation on health claim regulatory systems used in foreign countries (CODEX, USA, Japan, EU, and Australia/New Zealand), 3) to assess the current situation on the health claim or health benefit claim regulations for functional foods, conventional foods, and livestock products in Korea, and 4) to determine the need for complement in health benefit claim for livestock products. In conclusion, guidelines for the use of health benefit claims on livestock products should be prepared as soon as possible and the guidelines should be viable and easy for manufacturers and control authorities to understand. Also, nutrient profiles should be developed to identify whether the livestock products are eligible to bear health benefit claims and to help consumers make the right choices.

8주간 수중훈련 프로그램이 고교 축구선수 등속성 근력 및 인스텝 킥의 수행력에 미치는 영향

염준우(Jun Woo Yeom),황성호(Sung Ho Hwang),최명렬(Myong Yol Choi),이성기(Seung Ki Lee),김명기(Myung Gi Kim) 한국사회체육학회 2008 한국사회체육학회지 Vol.0 No.34

The purpose of this study is to show the effects of aquatic training with high school soccer player on in-step shooting speed and accuracy of kick, muscle strength of lower extremities and balance. The subjects of this study were 9 high school-soccer players with a career more than 6 years and they participated in aquatic training for 8 weeks before and after, that the study consist of in-step shooting speed, accuracy of in-step kick, isokinetic strength of ankle and knee joint and balance. We used SPSS 12.0 in order to analyze the results through the research, and compared the measurement subject by using the standard deviation of the mean. In addition, we did paired 2-sample non-parametic test for comparison of variables before and after the experiment and Spearman`s Bivariate Correlation Analysis for relationship of respective variables. The level of significance is set up to 0.05 The results of the study were as follows; 1. In the shooting speed was significantly differentiated pre and post-test(p<.05). 2. In the accuracy of in-step kick was significantly differentiated pre and post-test(p<.05). 3. In the muscle strength of knee flexor and extensor were improvement pre and post but not significantly differentiated. In the muscle strength of ankle dorsiflexor and plantarflexor were significantly differentiated(p<.05). 4. In the one leg standing, muscle strength of the left leg was improvement but not significantly differentiated and the right leg was significantly differentiated(p<.05). 5. Right ankle plantarflexor was significantly differentiated with exercise performance of in-step kick pre and post(p<.05), balance was significantly differentiated with high and mean speed pre and post(p<.05). Therefore, based on the result, it is indicated that the aquatic training had a positive effect on the shooting speed, accuracy of kick, muscle strength of lower extremities and balance. It is considered that give helps to improve ball speed and accuracy.

산후출혈처치에 있어 Sengstaken-Blankemore 튜브의 효용성

남안나 ( An Na Nam ),김경진 ( Kyong Jin Kim ),장병우 ( Byoung Woo Jang ),허성은 ( Seung Eun Hur ),이성기 ( Seong Ki Lee ),길기현 ( Ki Hyun Kil ),안미진 ( Mi Jin Ahn ),이지영 ( Ji Young Lee ) 대한산부인과학회 2006 Obstetrics & Gynecology Science Vol.49 No.11

목적: 고식적 치료로 조절되지 않는 산후출혈 환자에서 S-B 튜브 (Sengstaken-Blankemore tube)를 이용한 tamponade balloon 치료의 출혈조절 효과와 다른 침습적인 추가치료를 결정하기 전에 고려할 수 있는 중재적인 치료역할에 대해서 알아보고자 하였다. 연구 방법: 2000년 2월부터 2005년 9월까지 ○○대학교병원 산부인과에서 경험한 90명의 산후출혈 환자를 대상으로 하였다. 2004년도 이후 약물처치에 반응 없는 산후출혈에서 침습적인 치료의 결정 이전에 modified S-B 튜브를 적극적으로 적용하였는데, 이들 중 17명의 환자에서 출혈 조절을 위해 S-B 튜브가 적용되었다. 대상 환자들의 의무기록을 분석하여 임상적 상황, 산후출혈의 원인, ballooning 양 및 지속시간, S-B 튜브 처치 실패 시 시행된 추가치료 및 합병증 등 여러 요소를 조사하였다. 결과: Tamponade balloon치료의 성공률을 보면 전체 17명 중 11명 (64.7%)의 환자에서 성공적으로 출혈이 조절되었다. 출혈의 원인에 따른 성공률을 보면 자궁이완증 환자에서 80%, 자궁퇴축부전 환자는 100%의 성공률을 보인 반면, 태반이상으로 인한 출혈에는 20%의 성공률을 나타내어 원인에 따른 성공률에 차이가 있었다. 2004년도 이후 침습적 치료의 결정 이전에 S-B 튜브를 적극적으로 적용하였는데, 이를 적용하지 않았던 2004년 이전의 산후출혈 예와 비교한 최종 치료결과는 2004년 이전에는 8예 (17.8%)에서 자궁적출술이 이루어 진 반면, 2004년 이후에 발생한 산후출혈 환자에서는 단, 1예 (2.2%)에서만 자궁적출술이 이루어져 유의한 차이를 보였다. 결론: 고식적인 약물치료에 반응하지 않는 산후 출혈환자에서 출혈이 지속되어 수술적 치료가 필요한 경우 tamponade balloon의 적용은 효과적인 출혈조절 방법이며, 수술적 처치의 요구를 줄일 수 있다. 또한 치료 실패 시 덜 침습적인 추가치료 방법들을 선택할 수 있게 하는 중재적인 역할을 할 수 있다. Objective: To evaluate the effectiveness and identify the role of interventional procedure of tamponade treatment with modified Sengstaken- Blankemore (S-B) tube on control of postpartum hemorrhage (PPH) unresponsive to conventional medical treatment. Methods: This study was performed retrospectively on the clinical records of 90 patients who had experienced PPH at the department of Obstetrics and Gynecology of OO University Hospital from February, 2000 to September, 2005. We have actively applied tamponade balloon since 2004. As a result, tamponade balloon were applied to 17 patients. Medical records were reviewed such as clinical status, cause of bleeding, volume of balloon, duration of balloon, complication, success rate and additional treatment. Results: We have overall success rate of tamponade balloon in 11 (64.7%) of 17 patients of PPH. The causes of bleeding were subinvolution of uterus (100%), uterine atony (80%) and abnormal placentation (20%) in order of success rate. There was no major complication related to the tamponade procedure. We had compared final treatment during two period (before tamponade use v.s after tamponade use). 15 (33.3%) received invasive procedure and 8 (17.8%) received hysterectomy before tamponade use. However 10 (22.2%) received invasive procedure and just 1 (2.2%) received hysterectomy after tamponade use. Conclusion: Tamponade with modified S-B tube is effective on PPH unresponsive to conventional medical treatment and cuts down additional invasive procedure when tamponade treatment failed.

독일 노동복지정책 개혁에 관한 연구 : 실업급여, 실업부조 및 사회부조의 개혁 논의를 중심으로 Focused on the reform discussion on the unemployment insurance, unemployment allowance and social allowance

이성기,이승협 한국사회복지정책학회 2006 사회복지정책 Vol.24 No.-