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KMID : 0382420010270010069
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Korean Journal of Environmental Health Society
2001 Volume.27 No. 1 p.69 ~ p.74
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Temperature Control of Freezers and Refrigerators in Department Stores & Supermarkets
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Roh Pyong-Ui
Bin Sung-Oh
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Abstract
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A study on temperature control of freezers & refrigerators in department stores and supermarkets was conducted in Taegu area from July 15 through August 30 in order to determine how the temperature is effectively controlled for food safety. Five departments and four supermarkets were selected randomly and fifty seven refrigerators and fifty nine freezers were inspected to observe temperature of thermometers and measure the temperature of the coolers by laser thermometer. The results are as follows; 1. Out of one hundred and sixteen coolers, eighty six (74.1%) were open type coolers and thirty (25.9%) were closed types (p<.05). 2. Twenty five (89.3%) of refrigerators and twenty three (82.1%) of freezers in department stores had thermometer and twenty seven refrigerators (93.1%) and twenty two (71%) of freezers in supermarkets had thermometers respectively (p<.01). 3. The measured temperatures of coolers increased in the afternoon to compared to the temperatures of them in the morning time (p<.01). The difference of temperatures of coolers between department stores and supermarkets was wider in the supermarkets and the difference of temperatures of food items between refrigerators and freezers was wider in refrigerators but the difference was not statistically significant. 4. The temperatures of forty four (84.6%) out of fifty two refrigerators were within recommended ranges and those of forty two (93.3%) of forty five freezers were higher than recommended ranges (p<.05).
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