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http://dx.doi.org/10.9721/KJFST.2011.43.4.495

Changes in Quality Characteristics of Fresh-cut Produce during Refrigerated Storage  

Sun, Shih-Hui (Department of Food and Nutrition, Kyung Hee University)
Kim, Su-Jin (Department of Food and Nutrition, Kyung Hee University)
Kim, Gi-Chang (Department of Agro-food Resources, RDA)
Kim, Haeng-Ran (Department of Agro-food Resources, RDA)
Yoon, Ki-Sun (Department of Food and Nutrition, Kyung Hee University)
Publication Information
Korean Journal of Food Science and Technology / v.43, no.4, 2011 , pp. 495-503 More about this Journal
Abstract
We evaluated the quality characteristics of fresh-cut produce (potato, sweet potato, carrot, radish, zucchini, cucumber, and green bell pepper) washed with sodium hypochlorite, which were vacuum packaged, and stored at 4 and 10$^{\circ}C$. The L-values of the fresh-cut potato and sweet potato decreased during storage. Lower PPO activities of potato and sweet potato were observed at 4$^{\circ}C$ than those at 10$^{\circ}C$ and development of potato and sweet potato browning was delayed at 4$^{\circ}C$. Total aerobic count and coliform increased continuously at 10$^{\circ}C$ during storage. Diced zucchini and shredded sweet potato had the greatest reduction in hardness among the fresh-cut produce during storage. Differences in the rate of quality change were observed according to the kinds and cut types of produce. Thus, a quality maintenance period for each type of fresh-cut produce must be determined, which will lead to the safe use of fresh cut produce in foodservice establishments.
Keywords
fresh-cut produce; quality characteristics; refrigeration storage; quality maintenance period;
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