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고농도 CO2와 Ascorbic acid 처리가 신선절단 사과의 갈변에 미치는 영향
김선영 ( Sun Young Kim ),조정석 ( Jung Seok Cho ),정문철 ( Moon Cheol Jeong ),문광덕 ( Kwang Deog Moon ) 한국식품저장유통학회(구 한국농산물저장유통학회) 2011 한국식품저장유통학회지 Vol.18 No.4
This papers were studies the effects of high CO₂ concentration pretreatment and ascorbic acid on the browning of fresh-cut apples. The prepared samples were dipped in 1% (w/v) ascorbic acid solution (AA). Fresh-cut apples (3 pieces) were packed in polypropylene bags (0.03 mm, 20×15 cm), and stored at 10℃ for 16 days. AA-treated samples showed higher L value than those of non-treated and control (dipped in water without CO₂ pretreatment), while non-treated samples showed higher hardness than AA-treated sample. Total soluble solids, pH, titratable acidity were not affected by high CO₂ pretreatment and AA treatment. These result shows high CO₂ concentration pretreatment with dipping in 1% ascorbic acid solution (AA) has an effects on controlling enzymatic browning during the storage of fresh-cut ``Fuji`` apples.
조정석,김종인,정만표 大邱大學校 科學技術硏究所 1994 科學技術硏究 Vol.1 No.-
The use of bicycle is economical, convenient and beneficial to the health. However using bicycle are few because of danger to conflict with car. Therefore, this study tried to find a method to activate the use of bicycle-lane Taegu city. The results of this study are as follows; Frist, A replacement of incidental facilities is necessary for bicycle-road Second, A play using the site of the closed railroad on Taegu railroad can be considered to expand bicycle-road. Third, To build bicycle-road, using shoulder-road may be effective . Especially, on the link operating bus only lane system, the safety and confotableness of the user of bicycle may become higher. Finally, transform facility and bicycle parking area must be equipped on the node between the suburbs and the urban center.