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Bulge Characteristics of 1,000 mL Carton Pak according to the Different Storage Conditions  

박종대 (한국식품개발연구원)
정관섭 (서울우유 기술연구소)
Publication Information
Food Science and Preservation / v.10, no.3, 2003 , pp. 293-296 More about this Journal
Abstract
This study was carried out to obtain physical characteristics of paper board and to measure bulge of 1,000 mL carton pak by different storage conditions. Water holding capacity of paper boards were mean of 5.6~7.0%, stiffness of machine direction(MD) was 243.3~266.7 g/cm and cross direction(CD) was 99.2~109.2 g/cm, respectively. The weight of 1,000 mL carton pak were in the range of 29.17~31.26 g. The bulge of carton paks were 6.33~6.93 mm after 7 days at 6$^{\circ}C$ storage, 7.26~8.56 mm after 7 days at 10$^{\circ}C$ and was 8.66 mm after 7 days at 10$^{\circ}C$ treated with 1 hour heat shock per day, respectively. According to this result, the bulge length of 1,000 mL carton pak was showed increased pattern upon increasing the storage temperature and the order was 6$^{\circ}C$ < l0$^{\circ}C$ < 10$^{\circ}C$+ heat shock. To prevent bulge occurence, it was thought to control storage temperature and humidity of paper board or carton pak and to minimize their shock on cold chain system after filling process.
Keywords
carton; bulge; storage; cold chain system;
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