According to a new report from the US Natural Resources Defense Council (NRDC),tons of
food is wasted each year,largely because people don't fully understand what expiration dates,or “useby dates”,actually mean.
Food dating was introduced in the 1970s because consumers wanted more information about the things that they were eating.When they first showed up,useby dates were only supposed to indicate freshness because producers wanted their products to be tasted in their best conditions.
But the truth is that these dates aren't
related to the risk of food poisoning or foodborn illness,according to Time News.However,most customers misinterpreted useby dates and related them to the safety of the food,and they still largely do now.
Eggs,for example,can still be eaten three to five weeks after purchase even though the
useby date is much earlier.When their useby dates pass,strawberryflavored drinks may lose
their red color and biscuits may lose their crunch(松脆),but they are not harmful.
“It's a confusing subject,the difference between food quality and food safety,” said Jena
Roberts,vice president of National Food Lab,a US food testing company.“Even in the food
industry I have colleagues who get confused.”
This is why scientists are calling for a standard explanation to be printed following the
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