Quality of used frying fats in fast food shops and restaurants of Andalusia
Keywords:Andalusia, Fast food shops, Polar compounds, Used frying fat
In this paper, analytical results obtained from 174 frying oil samples collected from 131 fast food shops and restaurants by Food Inspection Services, are summarized. Quantization of polar compounds indicated that about 35% of the samples had alteration levels higher than the limit established in the Spanish regulation for discarding frying fats (25% polar compounds). High levels of oxidized triglycerides and polymeric compounds were found in a significant number of oils which demonstrated the need for improving frying oil quality in this sector.
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