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다시마와 표고버섯 혼합조미농축액 첨가에 따른 돌산갓김치의 품질특성
오선경(Sun-Kyung Oh),김기웅(Ki-Woong Kim),박욱민(Wook-Min Park),김남희(Nam-Hee Kim),배상옥(Sang-Ok Bae),최명락(Myeong-Rak Choi) 한국생명과학회 2015 생명과학회지 Vol.25 No.5
고부가가치 돌산갓 김치를 개발하고자 다시마를 주원료로 한 혼합조미농축액(CSS)과 표고버섯을 주원료로 한 혼합조미농축액 (CSL)을 첨가하여 각각 GK-A, GK-B 2종의 갓김치를 제조하였다. 4℃, 80일간 발효실험을 한 결과 GK-A군이 무기질, 식이섬유 함량이 높고 pH저하 및 산도 상승 지연 효과를 나타내었다. 염도는 70일째 이후 유의적 차이는 없었고, 환원당 함량은 대조군 보다 조미농축액 첨가군이 높게 나타났다. 유산균 Leuconostoc sp. 균수는 실험군이 대조군에 비하여 많았고, 적숙기를 지나면서 증가하는 Lactobacillus sp.는 대조군이 발효 20일째부터 증가하였다. 명도는 담근 초기에서 30일까지는 대조군이 높고, 황색도는 GK-B군이 20일부터 높아져 갈변 가능성이 높았다. 경도는 GK-A군이 담금 초기와 10일째 높은 수치를 나타내었다. 유리아미노산 GK-A군이 aspartic acid과 glutamic acid 함량이 전 기간에서 유의적으로 높았다(p<0.05). 단맛계 아미노산의 함량은 GK-A군이 발효 0일, 10일, 30일째 함량에서 다른 군에 비해 유의적으로 높은 수준을 나타내었다(p<0.05). 관능검사 결과는 GK-A가 가장 기호도가 우수하였다. 이상의 결과를 종합적으로 검토한 결과, 다시마를 주원료로 하여 만든 혼합조미농축액 CSS를 90 g 첨가하여 담근 GK-A군이 소비자에게 맛과 영양을 제공할 수 있는 새로운 돌산갓김치 상품으로 가능성이 있을 것으로 기대된다. To increase the marketability of Dolsan leaf mustard Kimchi, seasonings were prepared by sea tangle and Lentinus edodes. Gat Kimchi A (GK-A) and Gat Kimchi B (GK-B) were prepared by addition of complex seasoning with Sea tangle (CSS), complex seasoning with Lentinus edodes (CSL), respectively and evaluated the quality characteristics. GK-A contained high minerals and dietary fiber and showed the effect of delaying pH-lowering and acidity-rising. There were no significant differences in salinity test after 70 days. Reducing sugar of test groups was higher than control. During the fermentation, Leuconostoc sp. was grown in GK-A and GK-B than control. Growth of control’s Lactobacillus sp. increased 20 days after. Up to 30 days, lightness of control was high. Yellowness were increased browning potential in GK-B, 20 days after. From the initial to 10 days, Hardness of GK-A showed higher than the others. glutamic acid and aspartic acid content of GK-A was higher significantly than the others in the entire fermentation period (p<0.05). At 0, 10, 30 days, sweet-tasty amino acids of GK-A showed a significantly higher level than the others (p<0.05). From 10 days to 40 days of fermentation, the sensory evaluation of GK-A is better than the other groups. Comprehensively reviewed the above results, the conclusion is as follows: CSS made with sea tangle as a main ingredient. GK-A by seasoning the CSS to 90 g GK-A is expected as a new Dolsan leaf mustard products that can provide flavor and nutrition to the consumer at the same time.
Quality Characteristics of Mackerel Immersed in Sea Wind Mugwort Extract
Sun-Kyung Oh(오선경),Hae-Reon Son(손혜련),Ki-Woong Kim(김기웅),Sang-Ok Bae(배상옥),Sung-Young Kim(김성영),Myeong-Rak Choi(최명락) 한국생명과학회 2017 생명과학회지 Vol.27 No.9
거문도 해풍쑥 추출물을 처리한 고등어의 저장 기간 동안의 품질 특성을 조사하였다. 5% 해풍쑥 추출물에 고등어를 2시간, 3시간, 4시간 처리한 후 개별 포장하여 -20℃에 저장하여 실험하였다. 해풍쑥 추출물을 처리하지 않은 고등어(control)와 해풍쑥에 2, 3, 4시간씩 처리한 고등어의 염도는 2시간 처리한 고등어가 0.07%로 가장 낮은 수치를 나타냈다. pH는 모두 5.90~6.23를 나타냈고 산도는 15일째 감소 후 증가하는 경향을 나타냈다. 또한, 저장기간이 길수록 인장강도는 control은 증가하고, 2, 3, 4시간씩 처리한 고등어는 감소하였다. Volatile basic nitrogen(VBN) 함량은 control은 4.2~50.7 mg%, 2시간 처리한 고등어는 5.6~15.4 mg%로 control보다 가장 낮은 수치를 나타냈다. 2시간 처리한 고등어 제품에서 total polyphenol, total flavonoid 함량은 286.3~497.0 mg GAE/100 g, 177.5~385.6 mg QE/100 g를 나타냈다. DPPH, ABTS radical scavenging activity은 2시간 처리한 고등어 제품에서 50.6%, 61.3%를 각각 나타냈다. 전반적으로, 고등어를 SWM으로 단시간 처리하면 염도, pH, 산도, 경도, 항산화 활성 및 저장기간 연장과 같은 품질특성이 크게 향상되었음을 알 수 있다. This study examined the influence of sea wind mugwort extract treatment on quality characteristics of mackerel during storage. Mackerel were packaged individually and then immersed in 5% sea wind mugwort extract for 2, 3, or 4 hr and stored at -20℃. The salinity of a control (no treatment) and that of mackerel immersed in sea wind mugwort for 2 hr was lowest (0.07%). pH of 5.90-6.23, and the change in acidity was in the opposite range. Immersion for 2, 3, and 4 hr led to a decrease in the tensile strength of the samples following storage, whereas the tensile strength of the control increased. The volatile basic nitrogen (VBN) content of the mackerel immersed for 2 hr was significantly lower than that of the control (5.6-15.4 mg% vs. 4.2-50.7 mg%). In the mackerel immersed for 2 hr, the total polyphenol and total flavonoid content was 286.3-497.0 mg gallic acid equivalents (GAE)/100 g and 177.5-385.6 mg quercetin equivalents (QE)/100 g, respectively. The 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 2,2-azino-bis(3-ethyl-benzothizoline-6-sulfonic acid) (ABTS) radical scavenging activities of the mackerel immersed in sea wind mugwort for 2 hr were 50.6% and 61.3%, respectively. Overall, the immersion of mackerel in sea wind mugwort for a short time significantly improved quality characteristics, such as salinity, pH, acidity, hardness, antioxidant activity, and perceptible quality, following storage.
Duchenne형 근이영양증의 착상전 유전진단을 위한 Duplex-nested PCR과 Triplex-nested PCR 방법의 연구
김성아 ( Sung Ah Kim ),윤정아 ( Jung Ah Yoon ),강문주 ( Moon Joo Kang ),김희선 ( Hee Sun Kim ),오선경 ( Sun Kyung Oh ),구승엽 ( Seung Yup Ku ),김석현 ( Seok Hyun Kim ),최영민 ( Young Min Choi ),김정구 ( Jung Gu Kim ),문신용 ( Shin 서울대학교 인구의학연구소 2007 人口醫學硏究論集 Vol.20 No.-
윤희윤,오선경,성정희,Yoon, Hee-Yoon,Oh, Seon-Kyung,Sung, Jung-Hee 한국도서관정보학회 2016 한국도서관정보학회지 Vol.48 No.1
2013년 12월에 개관한 국립세종도서관의 기본적 정체성은 정책정보 중심의 특화도서관이다. 그럼에도 여전히 정체성이 자리매김하지 못하는 현실에 주목하여 이해집단(정부부처 공무원과 정부출연연구기관의 연구원, 세종시민, 국립세종도서관 직원)을 대상으로 기본적 정체성과 역할 각종 서비스의 이용률 및 만족도 정책정보 및 정책정보서비스의 필요성과 이용, 전략적 및 중점적 추진과제에 대한 인식을 조사 분석하였다. 이를 바탕으로 이해집단의 국립세종도서관 서비스 만족도 및 정책정보서비스 의존도 제고를 위한 인력확충과 조직확대, 국내외 정책정보 수집전략 국가정책정보서비스 강화방안을 제안하였다. The basic identity of the National Library of Korea(Sejong), opened in December 2013, is the specialized library focused on policy information service. Nevertheless, the library is not unfaithful to its identity. So researchers surveyed and analyzed the perception of the basic identity and role, utilization and satisfaction degress of various services, need and use for policy information and policy information service, and strategic and focused initiatives from stakeholders such as public officials, government-supported researchers, citizens living in Sejong city, and employees who work in the NLK(S). As a result, researchers suggested various strategies to expand the organizational size, to strengthen acquisition of domestic and foreign policy information, and to enhance national policy information service for related groups' satisfaction and dependence of policy information service for the NLK(S).
난자 세포질 내 정자 주입술시 부고환 및 고환 정자의 체외수정능력에 관한 비교 연구
성기청,강문주,김희선,오선경,구승엽,서창석,김석현,최영민,김정구,문신용,Sung, Ki-Cheong,Kang, Moon-Joo,Kim, Hee-Sun,Oh, Sun-Kyung,Ku, Seung-Yup,Suh, Chang-Suk,Kim, Seok-Hyun,Choi, Young-Min,Kim, Jung-Gu,Moon, Shin-Yong 대한생식의학회 2003 Clinical and Experimental Reproductive Medicine Vol.30 No.2
Objective: This study was carried out to compare the clinical outcomes of intracytoplasmic sperm injection (ICSI) in patients with obstructive azoospermia according to sperm retrieval site and technique; microsurgical epididymal sperm aspiration (MESA), percutaneous epididymal sperm aspiration (PESA), testicular sperm extraction by open biopsy (TESE). Methods: The outcomes of ICSI and IVF-ET were evaluated and compared among 3 groups. Seventy three men suffering from infertility due to obstructive azoospermia had 107 ICSI cycles using MESA (21 cycles in 15 patients), PESA (26 cycles in 17 patients) and TESE (60 cycles in 41 patients). Results: In the clinical outcomes in patients undergoing ICSI with epididymal or testicular sperm, there were no significant differences in fertilization rate (66.1% vs. 60.5%), cleavage rate (94.9% vs. 97.6%), cumulative embryo score (CES) (51.3 vs. 58.8), implantation rate (7.9% vs. 6.1), and clinical pregnancy rate per ET (30.4% (14/46) vs. 25.4% (15/59)) between both groups. Also, in the clinical outcomes in ICSI patients using MESA, PESA, TESE, there were no significant differences in fertilization rate (61.8%, 69.4%, 60.5%), cleavage rate (92.1%, 97.3%, 97.6%), CES (38.1, 52.0, 58.8), implantation rate (9.5%, 6.6%, 6.1%), and clinical pregnancy rate per ET (35% (7/20), 26.9% (7/26), 25.4% (15/59)) among 3 groups. Conclusion: When compared with MESA or TESE, PESA, the clinical outcomes were similar in ICSI patients with obstructive azoospermia whatever the origin or the technique of sperm retrieval. However, we considered PESA is more time-saving and cost effective for ICSI in patients with obstructive azoospermia.
문신용,최성미,김희선,류범용,오선경,서창석,김석현,최영민,김정구,최규홍,이진용,Moon, Shin-Yong,Choi, Sung-Mi,Kim, Hee-Sun,Ryu, Buom-Yong,Oh, Sun-Kyung,Suh, Chang-Suk,Kim, Seok-Hyun,Choi, Young-Min,Kim, Jung-Gu,Choi, Kyu-Hong,Lee, Jin-Y 대한생식의학회 2000 Clinical and Experimental Reproductive Medicine Vol.27 No.4
Objective: Hatching of the blastocyst from the zona pellucida (ZP) is a key event in mammalian implantation. In vivo, two factors have been identified as possible mediators of hatching: lysis of the ZP by substances elaborated either from the embryo or female reproductive tract and pressure exerted on the zona by expansion of the blastocyst. Two methods of zona manipulation were already in use to enhance the ability of embryos to hatch: mechanical PZD and chemical ZD by acidic Tyrode's solution. But several controversies of each method have been reported. The purpose of this study was to investigate the effect of pronase for mouse embryo hatching. Methods: Mouse embryos were obtained following ovulation induction of $F_1$ animals. Fresh and cryo-thawed morula embryos were exposed to 0.5, 1.0, 2.0, 5.0 ${\mu}g/ml$ pronase in Ham's F10 for 72 hrs. Main outcome measures were the rates of partial hatching and completely hatched blastocysts, and cell number of it. Results: In fresh and cryo-thawed group, the rates of completely hatched blastocyst were significantly higher in 5 ${\mu}g/ml$ pronase treatment group than control group. There was no difference in completely hatched blastocyst total cell number between pronase treatment group and control group. This suggest that pronase treatment did not harmful in mouse embryo development. In pronase treatment group, zona pellucida were thinner than control group. Conclusion: The addition of pronase to culture media may accelerate the hatching of embryo. So, enzymatic treatment of the zona may provide a valuable and effective assisted hatching technique for human in-vitro fertilization-embryo transfer.