Abstract
AbstractSlow cooling of cooked foods for storage has been linked to many foodborne illness outbreaks over the past 40 years. The Food Code of the United States Food and Drug Administration gives a target cooling rate, but no quantitative means of achieving it. In this article, a thermal analysis is used to show how cooling of a consistently defined mass in an in‐use cooler leads to improved cooling in pans, a common means of food storage. The mass acts as a low‐tech sensor from which temperatures are obtained from simple in‐cooler tests. The analysis converts those temperatures to a pan food height that achieves adequate cooling. This sensor, composed of a standard coffee cup filled with ketchup with 5% added salt and covered with plastic wrap, is aimed at food service facilities, where budget and work time considerations limit options such as new equipment or extensive monitoring to improve cooling.Practical applicationsThe sensor suggested and analyzed in this work can potentially provide both an assessment of cooling rate and a quantitative means of improving it in food service coolers. Operating on fixed budgets and strict schedules, food service facilities have no inexpensive options and limited available time for assessing cooling rates, the adequacy of which is an important food safety safeguard.
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