Food expiration dates don’t mean what you think - Carolyn Beans

TED-Ed
6 Jun 202305:05
EducationalLearning
32 Likes 10 Comments

TLDRThe video script highlights the significant issue of food waste, particularly in the United States, where 37% of waste originates from households. It explains that much of this waste is due to confusion over food date labels, which often indicate freshness rather than safety. The script clarifies that many foods are safe to eat well beyond their labeled dates, with proper storage. It suggests standardized date labels and policies to incentivize food donation as potential solutions to reduce waste. The key takeaway is to use personal judgment—sight, smell, and taste—to determine food safety, rather than relying solely on expiration dates.

Takeaways
  • 🌏 Countries around the world, including the United States, waste a significant amount of food annually, with the US being a major contributor.
  • 🏠 37% of food waste in the US comes from individual households, with 20% of food items discarded due to confusion over date labels.
  • 📅 The dates on food labels are not indicators of food safety but rather suggest the optimum freshness, often without scientific backing.
  • 🍪 Many foods, such as cookies and pasta, are safe to eat well beyond their labeled dates, even if they may taste stale.
  • 🥫 Canned foods can remain safe for years if they show no signs of damage like bulging or rusting.
  • 🧊 Properly stored frozen dinners can be preserved indefinitely due to the low temperatures that inhibit bacteria growth.
  • 🥚 Refrigerated eggs can be good for up to five weeks, and spoilage can be detected by smell.
  • 🍏 Spoiled produce can be identified by off odors, slimy surfaces, and mold, which can be checked without relying on dates.
  • ⚠️ The USDA advises to consume or freeze meat within days of purchase, and certain ready-to-eat foods carry a higher risk of pathogenic bacteria.
  • 🍼 Date labels on infant formula are regulated for safety, unlike most other food items.
  • 📉 A 2019 survey showed that over 70% of Americans use date labels to determine edibility, leading to unnecessary food waste.
  • 🔄 Experts propose standardized phrases like 'Best if used by' for freshness and 'Use by' for safety to reduce confusion and waste.
  • 🛒 Removing date labels on produce and incentivizing donations of unsold food are strategies being considered to combat food waste.
  • 🇫🇷 Some countries, like France, require supermarkets to donate unsold food, reducing waste and promoting sustainability.
Q & A
  • What percentage of food waste in the United States comes from individual households?

    -37% of US food waste comes from individual households.

  • Why do consumers often discard food items before they reach the table?

    -Roughly 20% of food items are discarded because consumers are unsure how to interpret the labels with dates on them.

  • What does the term 'open dating' refer to in the context of food labeling?

    -Open dating is a system where food manufacturers or retailers label products with dates indicating optimum freshness, which is not directly related to expiration or food safety.

  • Why are food manufacturers and retailers motivated to set early dates on their products?

    -Manufacturers and retailers set early dates to ensure customers taste their food at its best and come back for more.

  • Can most foods labeled with 'best by' dates still be safely consumed after those dates?

    -Yes, many foods are safe to eat far beyond their labeled dates, as long as they don't show signs of spoilage such as bulging, rusting, or off odors.

  • How long can canned foods stay safe if they don't show signs of bulging or rusting?

    -Canned foods can stay safe for years as long as they don't show signs of bulging or rusting.

  • What is the recommended duration for consuming refrigerated eggs to avoid spoilage?

    -Refrigerated eggs are good for up to five weeks, and spoilage can be detected by off odors.

  • Which types of food items should be consumed or frozen within days of purchase according to the USDA?

    -The USDA recommends eating or freezing meat within days of purchase.

  • What are some food items that are more likely to carry pathogenic bacteria and should be consumed by their labeled dates?

    -Ready-to-eat salads, deli meats, and unpasteurized cheeses are more likely to carry pathogenic bacteria and should be consumed by their labeled dates.

  • What is the proposal for standardizing food date labels to reduce confusion and waste?

    -Experts advocate for laws requiring date labels to use one of two standardized phrases: 'Best if used by,' to indicate freshness, or 'Use by' to indicate safety.

  • How could removing date labels on produce potentially help reduce food waste?

    -Removing date labels on produce could encourage consumers to use their own judgment and rely on their senses to determine if the food is still good to eat, thus reducing waste.

  • What policy has France implemented to address the issue of food waste?

    -France requires that many supermarkets donate unsold food to help address the issue of food waste.

  • What is the best personal practice to prevent food waste according to the script?

    -The best way to prevent food waste is to eat what you buy and use your senses—eyes, nose, and tongue—to determine if food is fit for consumption.

Outlines
00:00
🗑️ Food Waste in America: Misinterpreting Expiration Dates

This paragraph discusses the significant issue of food waste, particularly in the United States, where 37% of food waste originates from households. A substantial portion of this waste is due to consumers' misunderstanding of food labels, with around 20% of food items being discarded because of confusion over date labels. The script explains that these dates are not indicators of food safety but rather suggestions for optimal freshness. Historically, people relied on their senses to determine food quality, but with the rise of supermarkets and processed foods, this became more difficult. The 'open dating' system was introduced in the 1970s to help consumers, but it often lacks scientific basis and can lead to premature disposal of safe food. The paragraph also highlights that many foods, such as canned goods and frozen meals, can be safely consumed well beyond their labeled dates, provided they show no signs of spoilage.

Mindmap
Keywords
💡food waste
Food waste refers to the discarding of food, which is a significant global issue. In the context of the video, it highlights that countries, particularly the United States, waste enormous amounts of food each year, with 37% of this waste coming from households. The script emphasizes the role of food waste in contributing to environmental and economic problems, making it a central theme of the video.
💡sell-by date
A 'sell-by date' is a label found on perishable food items indicating the last date a retailer should sell the product while it is at its peak quality. The video script mentions that approximately 20% of food items are discarded by consumers due to uncertainty about interpreting these dates, which often leads to unnecessary food waste, even though the food may still be safe to eat.
💡open dating
Open dating is a system where food manufacturers or retailers label products with dates to indicate when the product is at its optimum freshness. As explained in the script, this system was adopted in the 1970s in response to consumer demand for information on packaged food. It is important to note that these dates are not related to safety or expiration and are often set conservatively to ensure the best taste, leading to potential misunderstanding and waste.
💡shelf-stable groceries
Shelf-stable groceries are food items that can be stored at room temperature for an extended period without refrigeration. The video script uses old cookies and pasta as examples of such items, which might become stale but are not a health risk if consumed beyond their labeled dates. This concept is crucial to understanding that many foods are safe to eat long after their 'best by' dates.
💡canned foods
Canned foods are preserved in airtight containers and can last for several years if stored properly. The script points out that canned foods remain safe to eat as long as they do not show signs of bulging or rusting, which is an important distinction from the 'best by' dates that may be misleading.
💡food safety
Food safety is the practice of handling, preparing, and storing food to prevent foodborne illnesses. The video script clarifies that while many foods are safe to eat beyond their labeled dates, there are exceptions like ready-to-eat salads, deli meats, and unpasteurized cheeses, which can carry pathogenic bacteria that may not be detected by smell or taste.
💡infant formula
Infant formula is a milk substitute designed for feeding to infants who are not breastfed. The script mentions that the dates on infant formula are regulated to indicate safety, emphasizing the importance of following these guidelines as opposed to other food items where the dates are more about quality rather than safety.
💡standardized phrases
The video script suggests that to reduce confusion and food waste, date labels should use standardized phrases such as 'Best if used by' for freshness and 'Use by' for safety. This proposal aims to provide clear guidance to consumers on the meaning behind food date labels, which is integral to the video's message on reducing waste.
💡donating unsold food
Donating unsold food is the act of giving surplus or excess food to those in need, often through charities or food banks. The script discusses how confusion around food dates has led to restrictions on food donations in the US, despite federal protection for such donations. It also highlights countries like France, which require supermarkets to donate unsold food, as a positive example.
💡food assessment
Food assessment involves using senses like sight, smell, and taste to determine the quality and safety of food. The video script encourages viewers to rely on their senses, rather than strictly adhering to date labels, to decide if food is still good to eat or should be composted. This approach is presented as a practical solution to prevent unnecessary food waste.
Highlights

Countries around the world waste huge amounts of food every year, with the United States being one of the worst offenders.

37% of US food waste comes from individual households.

20% of food items are tossed because consumers aren’t sure how to interpret the dates they’re labeled with.

Most groceries are still perfectly safe to eat beyond their labeled dates.

Before the 20th century, people assessed freshness using sight, smell, and touch.

Supermarkets adopted 'open dating' to indicate optimum freshness, not food safety.

Open dating is rarely decided with scientific backing and lacks standard rules.

Manufacturers and retailers set early dates to ensure the best taste and customer return.

Old cookies, pasta, and shelf-stable groceries might taste stale but aren’t a health risk.

Canned foods can stay safe for years if they don’t show signs of bulging or rusting.

Frozen dinners can be preserved indefinitely with low freezer temperatures.

Refrigerated eggs are good for up to five weeks and can be identified by smell if spoiled.

Spoiled produce can be identified by off odors, slimy surfaces, and mold.

The USDA recommends eating or freezing meat within days of purchase.

Ready-to-eat salads, deli meats, and unpasteurized cheeses are more likely to carry pathogenic bacteria.

Date labels on infant formula are regulated to indicate safety.

70% of Americans use date labels to decide if food is still edible.

60% of Americans would toss any food past its labeled dates.

Experts advocate for standardized phrases on date labels to reduce confusion.

Standardizing date labels could prevent 398,000 tons of food waste annually.

Some UK supermarkets have removed date labels on produce to encourage consumer judgement.

20 US states restrict donating food past its labeled date despite federal protection.

France requires many supermarkets to donate unsold food.

Preventing food waste is best achieved by eating what you buy and using your senses to judge freshness.

Transcripts
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