Misconceptions about the safety of frozen food are adding to the seven million tons of waste thrown out by households every year.
Households are throwing away the equivalent of six meals per week because of confusion over the safety of frozens foods, a survey suggests.
A poll for the Food Standards Agency (FSA) found 43% of people think food should only be frozen on the day of purchase, rather than up until the use-by date, 38% incorrectly said it is dangerous to refreeze meat after it has been cooked and 36% wrongly believe that food can become unsafe to eat while in the freezer.
Almost a quarter said they would never freeze meat that was cooked after defrosting, with 73% of them saying this was due to concerns about food poisoning.
More than two thirds of those surveyed had chucked food away in the past month, mainly bread (36%), fruit (31%), vegetables (31%) and leftover meals (22%).
The FSA, Defra and Wrap (Waste and Resources Action Programme) are reviewing the guidance provided to the food industry on date marking of food, including whether this should be expanded to cover food storage and freezing advice for consumers.
FSA policy director Steve Wearne said: "The freezer is like a pause button, so you can freeze foods right up to the 'use by' date.
"While food is kept safe in the freezer, it's the quality that deteriorates over time, so we recommend eating it within three to six months and checking for any freezing instructions on the packaging.
"Once defrosted, the pause button is off, so defrost food as and when you need it and eat it within 24 hours of it being fully defrosted."
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