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포장재를 달리한 고춧가루의 저장조건에 따른 capsaicinoids와 색상 함량 변화
이선미,박재복,김선아,황인경 한국조리과학회 2003 한국식품조리과학회지 Vol.19 No.4
This study was performed to investigate the change in the chemical components of red pepper powder using different packaging materials and various storage conditions. Red pepper powders with 11 and 15% initial moisture content were packsd with five different materials and stored at different temperatures(0, 20, and 30℃) for a one year period. Over the storage period, each combination was periodically sampled, and examined for composition changes. The five packaging materials were: linear low density polyethylene(LLDPE), nylon/LLDPE(Ny/LLDPE), saran coated ethylene vinyl acetate copolymer/linear low density polyethylene(B650), nylon/Tie/nylon/ethylene-vinyl alcohol copolymer/nylon/Tie/LLDPE(RDX-2787) and oriented polypropylene/aluminum/LLDPE(OPP/Al/LLDPE), and the three storage conditions were (28.3±1.0)℃ with (15.5±2.8)% relative humidity, (18.6±0.5)℃ with(46.6±4.9)% RH, and (0±2)℃ with (80±10)% RH, respectively. The moisture contents of all samples changed according to the relative storage humidity, except those of the samples packed with OPP/Al/LLDPE, which remained constant throughout the storage period. The capsaicinoids content of the red pepper powder did not change significantly for 6 months, but gradually decreased after that until about 85% of the original amount remained at the final stage of storage. The ASTA color values of all samples decreased gradually throughout the storage period. The higher the storage temperature, the more severe the deterioration. The color deterioration seemed greatly related to the existence of oxygen, as the deterioration was especially severe in the samples packed with LLDPE and B650, where the oxygen transmission rate were highest among the five packaging materials.
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이선미,문희창,전혜숙,송의근,우동걸,안정화,이무영 한국유전학회 2019 Genes & Genomics Vol.41 No.12
Background Microsatellite markers are an ideal molecular marker for population genetic studies such as population structure, pedigree, and kinship. The yellow-throated marten (Martes flavigula) is widely distributed in coniferous and deciduous forests of eastern Asia and plays the role of an indicator and umbrella species in South Korea, given the absence of top predators such as tiger and leopard. Objective The aim of our study was to establish a core set of microsatellite markers that could be used for a population genetics study on M. flavigula. Methods We characterized 21 di-motif microsatellites for M. flavigula by Illumina next-generation sequencing. We evaluated them for a population genetics study against five established criteria together with 33 previously developed microsatellites. We calculated relatedness values between individual yellow-throated martens in two groups that were suspected to be siblings using the selected core set of markers to confirm applicability. Results Twenty-three loci were determined as the core set of microsatellite markers. The probability of identity P(ID) and probability of identity between siblings P(ID)sib of the core set was estimated as 2− 15 and 2.2−7, respectively. Relatedness values between individuals in the two groups of M. flavigula revealed that one of the pairs was sisters, confirming that the core set can be applied to kinship studies. Conclusion The developed microsatellite core set in this study is expected to contribute to studies on molecular ecology and population structure of M. flavigula.
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교통사고 후 신체 손상 환자의 만성 외상후 스트레스 장애 : 발생 빈도, 증상 변화, 예측 인자에 대한 전향적 연구
이선미,김동인 大韓神經精神醫學會 2000 신경정신의학 Vol.39 No.5
연구목적: 교통사고로 인해 신체손상을 입은 사람들을 대상으로 만성 외상후 스트레스 장애(PTSD)의 발생 빈도를 조사하고, 증상 발현과 관계되는 사고 후 심리사회적 요인들을 연구하였으며, 시간 경과에 따른 외상후 스트레스 증상 변화를 살펴보았고, PTSD를 예언할 수 있는 초기 자기보고 측정치들을 연구하였다. 방법: 김태형 등(1998)의 연구에서 표집된 104명의 교통사고 환자들을 대상으로 24개월 후에 추적연구가 수행되었다. 추적 연구에서는 임상가용 외상후 스트레스 장애 척도(CAPS), 사고후 경험에 관한 질문들, Beck 우울척도(BDI), Spielberger 상태 특성 불안 척도(STAI I,II), 사건 충격 척도(IES), 대처방식 척도(WCC)가 실시되엇다. CAPS 면접에 참여한 사람들은 68명이었고, CAPS 면접과 질문지를 완성한 사람들은 모두 58명이었다. 이전 연구시 비PTSD로 분류되고 추적 연구에서도 비PTSD로 분류된 사람들은 비PTSD군으로 분류하였고, 이전 연구와 추적 연구시 모두에서 PTSD로 분류된 사람들은 만성PTSD군으로 분류하였으며, 이전 연구시 PTSD로 분류되었으나 추적연구에서 비 PTSD로 분류된 사람들은 PTSD 회복군으로 분류하였다. 결과: 사고 발생 2년 후 추적 연구에서 PTSD 발생율은 38.9%로 나타났다. 장해 보상 상태, 이전 작업으로의 복귀, 경제적 어려움이 PTSD 의 발병과 만성화에 영향을 주는 것으로 나타났다. 외상후 증상들은 시간이 경과함에 따라 의미있는 감소를 보였으며, 만성 PTSD 군은 회피 및 반응마비 증상들이 시간이 지남에 따라 증가하였고, PTSD 회복군은 다른 증상은 회복되어도 사건이 "재발한 것같이 행동하거나 느낌","과도한 놀람 반응"은 추적 연구시에도 회복되지 않았다. 사고 초기 측정치 중에서 IES만이 비PTSD 군, 만성 PTSD 군, PTSD 회복간에 의미있는 차이가 있었으며(p<.05), 추적 연구 측정치들 중에서는 BDI(p<.001), STAI-II(p<.05), 적극적 대처(p<.001), 소극적 대처(p<.001)에서 세 군간 의미있는 차이를 나타내었다. 초기 자기보고 측정기 중 IES가 추적 연구시 PTSD 증상을 예언하는데 18.6%의 설명 변량을 나타냈다. 결론: 교통사고후 신체 손상자들에게서는 다른 외상에 비해 PTSD 발생 위험도 높았고, 사고 심각도, 장해 보상 상태, 이전 직업으로의 복귀, 경제적 어려움과 같은 위험인자들이 확인되었다. 외상 초기의 높은IES점수는 PTSD 의 만성화를 예언해 주는 것으로 나타났다. 중심단어:외상후 스트레스 장애·교통사고·발생율·위험인자. Objectives: This study aimed to report the incidence of chronic posttraumatic stress disorder (PTSD), to identify psychosocial risk factors posttraumatically affecting the severity of PTSD symptoms, to compare the pattern of symptom changes over time, and to find early self-rated measures for the prediction of chronic PTSD in the patients physically injured by motor vehicle accident. Method: One-hundred-and-four motor vehicle victims, who were systematically recruited for the study of Kim et al(1998), were reevaluated through interview and questionnaire after twenty-four months. Clinician Administered PTSD Scale(CAPS), Beck Depression Inventory(BDI), Spiel-berger State Trait Anxiety Inventory(STAI), Impact of Event Scale(IES), questions about socioen-vironmental experiences after accident, and The Ways of Coping Checklist(WCC) were included in follow-up assessment. Of these subjects, 68 victims paricipated in CAPS interview and only 54 victims finished CAPS Interview, and questionnaire. The subjects with PTSD at initial and follow-up assessment were classified as the chronic PTSD group, subjects who recovered from PTSD at follow-up assessment were classified as the recovered group, and subjects who did not meet criteria for PTSD at initial and follow-up assessment were classified as the non-PTSD group. Results: The prevalence of PTSD in motor vehicle victims was 39.8% in follow-up assessment.Compensation of disabilities, return to previous job and financial diffculty were associated with chronicity and poor psychological adjustment of PTSD. In total group of victims, PTSD symptoms that appeared at initial assessment were improved or disappeared at follow-up assessment. However, avoidance and numbing symptoms significantly increased in chronic PTSD group and "acting or feeling as if event were recurring" and "exaggerated startle response" were not recovered over time in recovered group. Only IES at initial assessment showed significant differences among Non-PTSD, PTSD and recovered group. BDI, STAI-II, active coping and passive coping at follow-up assessment showed significant differences among three groups. IES at initial assessment contributed 18.6% to CAPS variance at follow-up. Conclusion: This study showed a high risk of developing PTSD among physically injured victims after motor vehicle accident. Risk factors such as event severity, compensation of disabilities,return to previous job and financial difficulty were identified. High IES score at initial assessment was regarded as major factor affecting chronic PTSD. KEY WORDS:PTSD·Motor vehicle accident·Incidence·Risk factor.
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