Summary
This 1982 study investigated the deterioration of ascorbic acid during prolonged meal warming and its consequences for iron absorption—a nutritionally significant interaction since vitamin C enhances non-haem iron uptake. The research suggests that thermal degradation of vitamin C during food storage or holding could impair dietary iron bioavailability. The findings would have implications for food service practices, meal storage protocols, and nutritional adequacy of heated meals.
Regional applicability
The study's findings are applicable to United Kingdom food service, catering, and institutional meal preparation (hospitals, schools, care homes), where meal holding times and temperatures directly affect micronutrient retention. The heat-induced loss of ascorbic acid remains a universal concern in food systems regardless of geography.
Key measures
Ascorbic acid content post-heating; iron absorption rates; relationship between vitamin C loss and iron bioavailability
Outcomes reported
The study examined how prolonged heating of meals affects ascorbic acid (vitamin C) retention and subsequent iron absorption. The research likely measured vitamin C degradation under heating conditions and assessed iron bioavailability using physiological or absorption markers.
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