Shoppers link shorter food shelf lives to naturalness and health
A University of British Columbia study finds consumers associate shorter product shelf lives with natural foods despite unreliable indicators.
Consumer perception of shelf life
Researchers at the UBC Sauder School of Business conducted experiments to test how people judge food. Participants rated potato chips with a five-month shelf life as more natural than those lasting nine months. In a separate test, shoppers chose pasta sauce with a one-year shelf life when told to prioritize natural foods.
Environmental concerns shift choices
The preference for shorter shelf lives changed when the study highlighted environmental protection goals. When researchers emphasized reducing waste, fewer participants selected the item with the shorter expiration date. This shift occurred even though longer shelf lives often indicate better preservation methods.
Study publication details
The findings were published in the Journal of Consumer Psychology by a team led by Andrew Zinin. The research suggests that consumers use shelf life as a quick shorthand for naturalness. Nutrition experts have long warned about the risks of ultra-processed foods while advising people to choose natural options.
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