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Why Do We Have Food Expiration Labels?

This article is best before 10/12/2020

 

Whenever I go back home to visit Australia, I have a favorite restaurant that sells amazing kangaroo burgers. Enormously delicious, highly recommended, and very safe. Nearby is a nougat factory where you can watch the staff make these sweet confections through a glass window while snacking on a free sample. Incredibly delicious, highly recommended, and extremely safe. It was on one such visit that a fellow patron idly browsing the products turned to me and said, “you know, back in my day we didn’t have any of this food expiration date nonsense.” Not a good idea, not recommended, and highly dangerous!

Marketing is a field that affects all consumers, and I love discussing my field. However, product labeling legislation is one area that is far too boring for most situations. But this person brought it up, so this was my chance!

Venn Diagram. One circle contains "Product Labeling", and the other circle contains "legislation". The Intersection says "My Guilty Interest."
The intersection of these topics is more boring than the sum of its parts.

I explained to the middle-aged gentlemen about how many lives had been saved by “best before,” “use by” and other food expiration dates. And how back in his day people were sickened far more often, costing the economy as a whole far more. When it comes to far-reaching legislation, a decision is made based on the cost-benefit analysis on a large scale, not individuals. Furthermore, not everyone has keen enough senses to see mold, feel bacterial films, or smell rot. Or such an impeccable memory to track the age of their food.

Nor is shelf time consistent. In the US, one week after Thanksgiving is the worst time to shop as everyone has already stocked up. Any fresh food you buy has been sitting on the supermarket shelf for at least 7 days.

Nor is spoilage time consistent. Technologies and recipes differ among brands, regions and over time. Organic variants of foods may have a shorter shelf life because they can not be irradiated (despite the technology being perfectly safe and extremely effective).

Your Grandparents’ Date Labeling

No, your grandparents didn’t have the same food safety labels as we do today, but nor were they as far disconnected from their food sources, or consuming as much packaged or pre-made food.

Before food expiration date labels were introduced in the 1970s, manufacturers used “closed” dating systems with symbols and numerical codes undecipherable by the consumer. This 1979 Washington Post article walks you through the deciphering process. In one 1975 study of 250,000 consumers, 89% favored “open” dating with a clear day, month, and year. Since then, individual US states have released their own open date labeling laws through the 1970s, while Australia and New Zealand share a unified Food Standards Code, started in 1978.

Example of 1977 labeling on a Campbells Soup can, with a code stamped on top, and the deciphered code underneath indicating it means the date May 9 1977.
Deciphering food manufacture and expiry codes used to require a literal codebook.

Waste

The downside to this is food wastage by both retailers and consumers. Academics calculate that food wastage costs the average American family $2,275 annually. Confusing terms such as “baked for”, “sell by”, “best before”, “freshest before”, “expires on” and “use by” are still not federally regulated in the US, and Americans are confused. The good news is Congress is considering a new federal Food Date Labeling Act, but standardizing text won’t matter as much as you’d think. Only 20 percent of food wasted in U.K. households is due to misinterpretation of date labels. 37% of American study participants reported they “always” or “usually” discard food near the printed date, no matter the surrounding words.

Packaging labels represent a small part of product safety legislation that has slowly evolved over time. Consumers are asking for better labeling, not the abolishment of it. Those seeking abolishment of such safety labels are a tiny ignorant minority. Yes, Lifehacker, expiration dates are not the clearly defined science most people expect, and the old man was partly right; most of us can ignore best before dates a lot of the time, and just use our senses.

How Long is Something Good After the Expiration Date?

Look up the US government foodsafety.gov FoodKeeper site, or Android or iPhone app. It’s FDA, USDA and CDC partnered, so you’re using a trusted source.

Other alternatives include the StillTasty Keep It or Toss It site, and eatbydate.com. These resources are also great for settling household (marital) arguments.

That is until accurate smart food labels, talked about since 2014, come to market.

Apps for Food Expiration Dates

If you’re looking for an app to track your food, there are plenty on every app store. We’ll release our own comparison guide soon, but in the meantime here’s one Jun 2020 rundown of 5 iPhone food expiration tracker apps.

You may also unknowingly have such an app installed. My LG smart fridge’s ThinQ app, which is good for filter change reminders, turning on and off the ice maker, and yes, tracking the food in my fridge, and expiration dates.

Useful Resources:

Storage and Defrosting Guides:

Further Reading:

What do you think?

Written by David Frank

David Frank is a Seattle-based marketer, writer (co-founder of Good/Bad Marketing) and public speaker. Originally from Perth, Western Australia, he has also lived in the UK, Japan and Vietnam. He has a Master of Science in Marketing degree from Edinburgh Napier University, Scotland.

He tours talks on marketing for the general public. His current talks are:
- Dangerous Products: The History and Present of Products NOT Safe to Consume
- Sensory Marketing and the Subtle Science of Packaging
- Sex, Love & Marketing: How To Market Yourself On Online Dating Sites​
- How to Market Tobacco (Despite Those Pesky Advertising Bans)
Learn more at http://www.thedavidfrank.com/talks.html

In his spare time, David is an avid gardener. https://instagram.com/seattlefoodgardener

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