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- 저자 : 전예숙 ( Ye Sook Jeon ) (검색결과 5 건)
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전예숙(Ye-Sook Jeon),박수진(Soo-Jin Park),최미경(Mi-Kyeong Choi),강명화(Myung-Hwa Kang) 한국식품영양과학회 2008 한국식품영양과학회지 Vol.37 No.1
건조된 마늘을 분쇄하고 비율을 달리하여 소금과 혼합하여 마늘 소금을 개발하였고, 배소 시 김에 도포하여 마늘맛 조미 김을 개발하여 1, 6, 12주 동안 저장하면서 품질변화 및 지방산 산화정도를 측정하였다. 저장기간 및 마늘 첨가량에 따른 일반성분의 차이는 나타나지 않았다. 마늘 맛김의 tocopherol 함량을 분석한 결과 저장기간에 따라 α-tocopherol은 감소하였고 특히 마늘 33% 첨가 시 감소량이 가장 적었다. γ-Tocopherol 함량은 저장기간에 따라 증가하였다. 또한, 지방산 중 linoleic acid 함량이 가장 높게 측정되었으나 저장기간 증가에 따라 큰 차이는 나타나지 않았다. 저장기간에 따른 TBARS 함량 변화는 대조군이 크게 증가한 반면, 마늘 맛김에서는 산화 억제효과가 나타났다. 마늘 파우더 33% 첨가는 12주 후에도 조미 김의 TBARS 생성량을 강하게 억제한 것으로 나타났다. 관능평가 결과 33% 마늘소금을 첨가한 김이 색과 향 면에서 대조구와 유사하게 나타났다. 따라서 마늘의 첨가비율을 달리하여 제조한 마늘 소금으로 조미 김을 제조한 결과, 소금 대비 33%로 제조한 김이 다른 첨가군에 비교해 성분 및 관능적으로 우수하게 측정되었다. In order to evaluate the oxidation stability, chemical compounds, and sensory for the garlic-salt laver, we prepared the garlic-salt laver added with different levels of salt and garlic power. The lipid per oxidation of garlic-salt laver was monitored by measuring the formation of 2-thiobarbituric acid reactive substances (TBARS). In addition, the general chemical compounds of laver with garlic-salt were determined by moisture, crude lipid ash, and protein. The major tocopherol compounds of laver with garlic-salt were measured using HPLC system. The contents of α-tocopherol decreased with time, in contrast to γ-tocopherol which increased with time. The lipid profiles of laver with garlic-salt were high in linoleic acid although they did not change with time. Formation of TBARS of laver increased in control but did not increase in laver with garlic-salt. After 12 weeks, laver with 33% garlic-salt showed strong inhibition effect on TBARS formation. The sensory evaluation of laver with garlic-salt were tested. The results seem to indicate that laver with 33% garlic-salt can be used as a good ratio.
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뽕잎 추출물의 항산화 효과와 항산화 성분 분리 및 동정에 관한 연구
전예숙 ( Ye Sook Jeon ),김미원 ( Mi Won Kim ) 한국식품영양학회 2011 韓國食品營養學會誌 Vol.24 No.1
This study identified the formula of the antioxidant substance separated from the ethyl acetate and the butanol extract and tested the antioxidant properties with the electron donating ability(EDA). Each phase with the fractionated methanol extract from mulberry leaf was screened in advance for the antioxidant substance with EDA. As the result, activity appeared in the ethyl acetate and butanol phase and the antioxidant component was separated. As the consequence, 2 components from the ethyl acetate phase and 1 from the butanol phase were separated, among which the structures of the components from ethyl acetate were determined by wogonin and linarin, whereas the structure of the component from the butanol phase was determined by pectolinarin. In the screening of antioxidant activity by the scavenging effect of the DPPH radical, the wogonin and linarin components from ethyl acetate phase showed more powerful antioxidant property than the component from butanol. The results from this study indicate that the chemical compound separated from the ethyl acetate extract has more powerful antioxidant property than the one separated from the butanol extract. The components separated from the ethyl acetate extract were wogonin and linarin, which are flavonoids, whereas the component from butanol was pectolinarin. Therefore, this study suggested that the feasibility of mulberry leaf as a functional food additive and its value as a natural antioxidant is very high.
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중학생의 영양 성분 표시에 대한 구매 행동 및 이용 실태 -충북 지역을 중심으로-
김명희 ( Myung Hee Kim ),최미경 ( Mi Kyeong Choi ),김미원 ( Mi Won Kim ),전예숙 ( Ye Sook Jeon ),김미선 ( Mi Sun Kim ) 한국식품영양학회 2010 韓國食品營養學會誌 Vol.23 No.4
This study conducted a questionnaire survey of 482 male and female second graders in middle schools located in Cheongju, Chungcheongbukdo. This study lays its purpose on establishing the nutrition facts labeling system by understanding eating habits and analyzing the actual state of reading nutrition facts labels and degrees of understanding them among middle school students, and helping them to engage in right food purchasing activities and through it result in developing sound eating habits by providing them with basic material to be employed to actively utilize nutrition facts for choosing and buying healthy foods. As a result of surveying regarding the actual state of reading food labels, regarding degrees of recognition of food labels, it was revealed that 91.1% of female students recognized them, while 42.1% of male students did not recognize them, indicating lower levels of recognition among the male group. Regarding reasons for not checking food labels, 49.2% indicated habitual purchasing, followed by poor contents in the label(20.2%), ununderstandable contents(17.7%), and the lower reliability of the contents(6.9%). As a result of surveying regarding the actual state of reading nutrition facts labels, in recognition of nutrition facts labels, female rather than male students showed higher degrees of recognition, and degrees of recognition were found to differ according to parents` total income and mothers` educational attainments.
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