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Jo, Min Gyeong,An, Duck Soon,Lee, Dong Sun Korea Society of Packaging Science and Technology 2020 한국포장학회지 Vol.26 No.1
Al-laminated packaging film incorporating ascorbic acid or tocopherol at inner food contact layer was tested in the potential to improve antioxidative preservation of powdered infant formula under CO<sub>2</sub>-enriched atmosphere. Product of 200 g was packaged with the packaging film containing 0.3% antioxidant in sealant layer of low density polyethylene and stored at 30℃ for 286 days with periodic measurement of package atmosphere and product's quality attributes. The CO<sub>2</sub>-flushed package resulted in shrinkage of tight contact between the product and the film not allowing gas sampling of package atmosphere after 140 days. Package of tocopherol-incorporated film allowed some ingress of oxygen after 112 days presumably due to its weakening of heat-seal area. The increased oxygen concentration in the tocopherol-added film package led to the concomitant increase of peroxide value, an index of lipid oxidation. On the other hand, packaging of ascorbic acid-added film pouch could suppress lipid oxidation marginally in consistent manner compared to control package without any antioxidant.
Min Gyeong Jo,Duck Soon An,Dong Sun Lee 한국포장학회 2020 한국포장학회지 Vol.26 No.1
Al-laminated packaging film incorporating ascorbic acid or tocopherol at inner food contact layer was tested in the potential to improve antioxidative preservation of powdered infant formula under CO2-enriched atmosphere. Product of 200 g was packaged with the packaging film containing 0.3% antioxidant in sealant layer of low density polyethylene and stored at 30oC for 286 days with periodic measurement of package atmosphere and product’s quality attributes. The CO2-flushed package resulted in shrinkage of tight contact between the product and the film not allowing gas sampling of package atmosphere after 140 days. Package of tocopherol-incorporated film allowed some ingress of oxygen after 112 days presumably due to its weakening of heat-seal area. The increased oxygen concentration in the tocopherol-added film package led to the concomitant increase of peroxide value, an index of lipid oxidation. On the other hand, packaging of ascorbic acid-added film pouch could suppress lipid oxidation marginally in consistent manner compared to control package without any antioxidant.
Jo, Min Gyeong,An, Duck Soon,Lee, Dong Sun Korea Society of Packaging Science and Technology 2018 한국포장학회지 Vol.24 No.1
Powdered infant formula is susceptible to oxidation in the presence of oxygen. Even though the product is usually packaged in nitrogen atmosphere, the oxygen ingress through the package layer may occur in case of flexible pouches and affects the oxidation of the product. $O_2$ barrier of the package is thus important variable to protect the product from oxidative deterioration. $O_2$ barrier property was investigated for aluminum-laminated small pillow packs of $3.5{\times}17.5cm$. Storage temperature and combination of primary and secondary packages were evaluated as variables affecting the barrier for conditions of empty pouch flushed with nitrogen. Apparent oxygen transmission rate of the primary package exposed to air was $2.32{\times}10^{-3}mL\;(STP)\;atm^{-1}\;d^{-1}$ at $30^{\circ}C$ and its temperature dependence could be explained by activation energy of $28.5kJ\;mol^{-1}$ in Arrhenius relationship. The additional secondary package of nylon/PE film containing 20 primary packages was ineffective in modulating package $O_2$ transmission and was only marginally helpful when combined with oxygen scavenger. The same was true in suppressing the product oxidation when the primary package was filled with 14 g of the formula.
Factors affecting shared decision making at end of life in Korean adults.
Jo, Kae-Hwa,An, Gyeong-Ju Aspen Publishers 2013 Holistic nursing practice Vol.27 No.6
<P>The purpose of this study was to explore the factors affecting shared decision making among Korean adults. Attitudes toward advance directives and withdrawal of life-sustaining treatment explained 45.0% of shared decision making, suggesting that these 2 factors influence shared decision making in end-of-life care.</P>
Min Gyeong Jo,Duck Soon An,Dong Sun Lee 한국포장학회 2018 한국포장학회지 Vol.24 No.1
Powdered infant formula is susceptible to oxidation in the presence of oxygen. Even though the product is usually packaged in nitrogen atmosphere, the oxygen ingress through the package layer may occur in case of flexible pouches and affects the oxidation of the product. O2 barrier of the package is thus important variable to protect the product from oxidative deterioration. O2 barrier property was investigated for aluminum-laminated small pillow packs of 3.5×17.5 cm. Storage temperature and combination of primary and secondary packages were evaluated as variables affecting the barrier for conditions of empty pouch flushed with nitrogen. Apparent oxygen transmission rate of the primary package exposed to air was 2.32×10-3 mL (STP) atm-1 d-1 at 30°C and its temperature dependence could be explained by activation energy of 28.5 kJ mol-1 in Arrhenius relationship. The additional secondary package of nylon/PE film containing 20 primary packages was ineffective in modulating package O2 transmission and was only marginally helpful when combined with oxygen scavenger. The same was true in suppressing the product oxidation when the primary package was filled with 14 g of the formula.
조형준 ( Jo Hyeong Jun ),이선영 ( Lee Seon Yeong ),박창숙 ( Park Chang Sug ),안희정 ( An Hui Jeong ),오유경 ( O Yu Gyeong ),김세현 ( Kim Se Hyeon ),나영정 ( Na Yeong Jeong ),김인호 ( Kim In Ho ),이찬 ( Lee Chan ),김승조 ( Kim Seu 대한산부인과학회 2003 Obstetrics & Gynecology Science Vol.46 No.9
목적 : 본 연구는 케모카인 수용체들이 상피성 난소암에서 발현되는 양상을 조사하고 케모카인 수용체와 난소암의 발생 및 임상적 진행과의 연관성을 분석하였다. 연구 방법 : 22예의 상피성 난소암 조직에 대하여 44예의 정상 난소를 대조군으로 semiquantitative RT- PCR과 면역조직화학 염색법을 이용하여 13개의 케모카인 수용체 CXCR1-CXCR5 및 CCR1-8 등의 발현을 조사하였으며, 임상적 진행상태, 즉 림프선 전이 여부에 따른 케모 Objective : We investigated the expression of chemokine receptors in human ovarian cancer to understand the role of chemokines in ovarian cancer development and metastasis. Methods : Twenty-two cases of epithelial ovarian cancer were studied for expressio
Cyclosporin 치료로 호전된 비특이성 간질성 폐렴
안상미 ( An Sang Mi ),조숙경 ( Jo Sug Gyeong ),임승관 ( Im Seung Gwan ),송영준 ( Song Yeong Jun ),최준혁 ( Choe Jun Hyeog ),신승수 ( Sin Seung Su ),오윤정 ( O Yun Jeong ),최영화 ( Choe Yeong Hwa ),박광주 ( Park Gwang Ju ),황성철 ( 대한결핵 및 호흡기학회 2003 Tuberculosis and Respiratory Diseases Vol.55 No.6