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GABA 함량이 증가된 현미 첨가 쿠키의 품질특성과 아미노산 함량
정해원(Hae Won Jung),정해정(Hai-Jung Chung) 한국식품영양과학회 2013 한국식품영양과학회지 Vol.42 No.11
본 연구에서는 현미가루를 밀가루 중량기준 0%, 20%, 40%, 60%의 비율로 첨가하여 쿠키를 제조하고 반죽의 밀도, pH, 쿠키의 일반성분, 퍼짐성, 손실률, 팽창률, 색도, 경도, GABA 및 아미노산 함량, 기호도 검사 등을 실시하였다. 수분함량은 첨가군이 대조군보다 높게 나타났고 조단백질 함량과 조지방 함량은 시료 간에 유의적인 차이를 나타내지 않았으며 조회분 함량은 60% 첨가군에서 가장 높게 나타났다. 쿠키 반죽의 밀도는 60% 첨가군이 가장 낮았고 pH는 가장 높았다. 퍼짐성은 헌미가루 첨가량이 증가할수록 대체적으로 감소하였고 손실률과 팽창률은 증가하는 경향을 나타내었다. 경도는 40% 첨가군과 60% 첨가군에서 낮게 나타났다. 밝기를 나타내는 L값은 대조군이 가장 높았고 a값은 현미가루 첨가량이 증가할수록 증가하였으며 b값은 감소하였다. 쿠키의 GABA 함량은 대조군이 가장 낮았고 현미가루 첨가량이 증가할수록 증가하여 60% 첨가군에서 가장 높게 나타났다. 총 아미노산 함량은 대조군이 가장 높게 나타났으나 쌀의 제1제한 아미노산인 lysine의 함량은 대조군이 가장 낮았고 첨가군에서 높게 나타났다. 쿠키의 기호도 검사 결과 표면색은 대조군보다 현미가루 첨가군이 낮은 점수로 평가된 반면 냄새, 맛, 조직감 및 전체적인 기호도는 모든 시료 간에 유의적인 차이가 없었다. 이와 같은 결과를 종합하여 볼 때 현미가루를 60%까지 첨가하여 제품화 한다면 대조군과 비교하여 관능성이 크게 저하되지 않으면서 GABA 함량이 증진되어 기능성이 향상된 쿠키가 될 것으로 사료된다. This study is conducted to investigate the quality characteristics of cookies containing different levels (0%, 20%, 40%, 60%) of brown rice powder with enhanced levels of GABA (γ-amino butyric acid). The pH of cookie dough was higher in cookies containing brown rice powder. A proximate composition analysis showed that the moisture content was increased with the addition of the brown rice powder, yet there was no significant difference in the crude protein and crude fat contents among the added groups. The ash content was the highest in the 60% added group. The spread factor of the control cookie was higher than that of cookies containing 40% and 60% brown rice powder. The incorporation of brown rice powder in cookies lowered the lightness and yellowness values, but increased the redness value. The hardness of the cookies was lower in 40% and 60% added groups than that of the controls. The GABA content in the brown rice added groups was higher than that of the control cookie, and increased as brown rice powder increased. A consumer acceptance test revealed that there was no significant difference in the overall preference scores among the cookies. From these findings, it is suggested that the cookies with brown rice powder up to 60% added can be developed as goods.
공황장애 환자의 스트레스 대처방식과 신체 증상 지각에 대한 인지적 특성
정해원,이무석,박우영,양종철,임은성,박태원,정영철,정상근,황익근,Jung, Hae-Won,Lee, Moo-Suk,Park, Woo-Young,Yang, Jong-Chul,Lim, Eun-Sung,Park, Tae-Won,Chung, Yong-Chul,Chung, Sang-Keun,Hwang, Ik-Keun 대한불안의학회 2007 대한불안의학회지 Vol.3 No.2
Objective : The purpose of this study was to investigate the strategies used to cope with stress and the cognitive characteristics of somatic symptom perception in patients with panic disorder. Methods : A total of 101 patients who met the DSM-IV criteria for panic disorder and 60 normal controls were recruited for participation in this study. We evaluated the subjects using The Way of Stress Coping Questionnaire (SCQ), Somato-Sensory Amplification Scale (SSAS), Symptom Interpretation Questionnaire (SIQ), and the Panic Disorder Severity Scale (PDSS). We analyzed the data using an independent t-test and Pearson correlation analysis (p<0.05). Results : The patients who used emotionally focused coping strategies scored significantly lower on the SCQ. The patients with panic disorder showed greater amplification of body sensations in the SSAS, a significantly higher score on the physical interpretation subset of the SIQ, and a lower score on the environmental interpretation subset of the SIQ than the normal controls. The PDSS scores were positively correlated with the SSAS score and physical interpretation score on the SIQ. Conclusion : These results show that patients with panic disorder have poor emotionally focused strategies for coping with stress, greater amplification of body sensations, and a tendency towards a physical interpretation of somatic symptoms.
스퍼터링에 의한 CdTe 박막 제조 조건이 CdTe/CdS 태양전지의 특성에 미치는 영향
정해원,이천,신재혁,신성호,박광자,Jung, Hae-Won,Lee, Cheon,Shin, Jae-Heyg,Shin, Sung-Ho,Park, Kwang-Ja 한국전기전자재료학회 1997 電氣電子材料學會誌 Vol.10 No.9
Polycrystalline CdTe thin films have been studied for photovoltaic application because of their high absorption coefficient and optimal band energy(1.45 eV) for solar energy conversion. In this study CdTe thin films were deposited on CdS(chemical bath deposition)/ITO(indium tin oxide) substrate by rf-magnetron sputtering under various conditions. Structural optical and electrical properties are investigated with XRD UV-Visible spectrophotometer SEM and solar simulator respectively. The fabricated CdTe/CdS solar cell exhibited open circuit voltage( $V_{oc}$ ) of 610 mV short circuit current density( $J_{sc}$ ) of 17.2 mA/c $m^2$and conversion efficiency of about 5% at optimal sputtering conditions.
급탕유닛이 적용된 캐스케이드 멀티히트펌프의 성능특성 연구
정해원(Hae Won Jung),강훈(Hoon Kang),김용찬(Yongchan Kim) 대한설비공학회 2013 대한설비공학회 학술발표대회논문집 Vol.2013 No.6
Multi-heat pump system has been widely adopted in buildings due to its higher energy efficiency. Recently, additional demand for hot water supply has been increased in commercial and residential buildings. Therefore, the inclusion of a water heating function into the multi heat pump has been proposed to save energy by eliminating the need for a boiler to provide hot water supply. In this study, a cascade multi-heat pump, combining a multi-heat pump using R410A for air heating with a water heating unit using R134a for hot water supply, was investigated experimentally. The performance of the cascade multi-heat pump was measured by varying the refrigerant charge amount and water inlet temperature. Test results were compared with those of a single-stage multi-heat pump using R410A for air and water heating.