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Park, Hyung-Woo;Kim, Byeong-Sam;Park, Moo-Hyun
- Korean Journal of Food Science and Technology
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- v.21 no.2
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- pp.252-257
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- 1989
Nylon laminated low density polyethylene(LDPE) film is mostly used for package of Vienna sausage in Korea. The water vapor permeability and gas transmission rate of Nylon laminated LDPE film is higher than that of Oriented polypropylene/polyvinylidene chloride coated LDPE film. Comparision of shelf-life of Vienna sausage packed with both film was as follows. The water vapor permeability and gas transmission rate of PVDC coated film were 2.5 times lower and 20.7 to 30 times lower than those of Nylon laminated film, respectively. Shelf-lives of Vienna sausage packed with Nylon laminated film and PVDC coated films were 25 days and 31 days at $15^{\circ}C$, 32 days and 41 days at $5^{\circ}C$, respectively.
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정헌식;문광덕;최종욱
- Food Science and Preservation
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- v.6 no.4
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- pp.351-356
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- 1999
To develop and extend the shelf-life of vitamin C enriched fresh-cut apples using CA stored Fuji apples, dipping in 10% L-ascorbic acid and packaging with 0.03 mm LDPE, 0.04 mm PP and 0.08 mm Nylon/PE film(N$_2$displacement) were carried out. The changes of gas concentrations in the packaging and quality attributes of fresh-cut apples were examined during storage at 10$^{\circ}C$. The concentrations of O$_2$was maintained lower in Nylon/PE film than the other film, the level of O$_2$was in the range of 1∼3%. The increase of C$_2$H$_4$ concentrations in Nylon/PE film bag was more suppressed than the others. The vitamin C content of fresh-cut apples was enriched by dipping in L-ascorbic acid solution up to 241 mg$.$100 g-1 f.w., and the loss or that content was retarded differently by the package conditions of lower O$_2$level during storage. Browning in fresh-cut apples was shown after 6 days of storage in LDPE and PP film. but it was not shown by 14 days of storage in Nylon/PE film. Spoilage and off odor in fresh-cut apples were not detected up to 14 days of storage in Nylon/PE film. The results indicated that the vitamin C enriched fresh-cut apples can be processed from the long-term CA stored apples, and maintaining high quality of the products ill be possible in cases of the application of sealing packaging after O$_2$removal with film having low O$_2$permeability.
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