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논문 기본 정보

자료유형
학술저널
저자정보
Dong Sun Lee (경남대학교) Hwan Ki Kim (경남대학교) Duck Soon An (경남대학교) Kit L. Yam (Rutgers University)
저널정보
한국식품영양과학회 Journal of Food Science and Nutrition Journal of Food Science and Nutrition Vol.16 No.4
발행연도
2011.12
수록면
364 - 369 (6page)

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초록· 키워드

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Levels of carbon dioxide gas, a metabolite of microbial growth, have been reported to parallel the onset of microbial spoilage and may be used as a convenient index for a packaged food’s shelf life. This study aimed to establish a kinetic model of CO₂ production from perishable food for the potential use for shelf life control in the food supply chain. Aerobic bacterial count and package CO₂ concentration were measured during the storage of seasoned pork meat at four temperatures (0, 5, 10 and 15℃), and their interrelationship was investigated to establish a mathematical model. The microbial growth at constant temperature was described by using model of Baranyi and Roberts. CO₂ production from the stored food could be explained by taking care of its yield and maintenance factors linked to the microbial growth. By establishing the temperature dependence of the microbial growth and CO₂ yield factor, CO₂ partial pressure or concentration in package headspace could be estimated to a limited extent, which is helpful for controlling the shelf life under constant and dynamic temperature conditions. Application and efficacy of the model needs to be improved with further refinement in the model.

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Abstract
INTRODUCTION
MATERIALS AND METHODS
RESULTS AND DISCUSSION
CONCLUSION
ACKNOWLEDGEMENTS
REFERENCES

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