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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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best by date

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "best by date" is correct and usable in written English. You can use it to indicate the date by which a product is recommended to be consumed for optimal quality. For example, "Please check the best by date before purchasing the item." Alternative expressions include "best before date" and "use by date."

✓ Grammatically correct

News & Media

Academia

Wiki

Human-verified examples from authoritative sources

Exact Expressions

16 human-written examples

It is past its "best by" date, but tastes fine.

News & Media

The New York Times

Failing that, look at the "best by" date which should be two years after an oil was bottled.

Certified extra-virgin olive oils from the European Union are required to have a "best by" date on the label.

A good EVOO will at least have a "best by" date, but better brands have a "harvest date".

While checking your cupboards for supplies, you find a bag of stuffing mix with a "best by" date of Nov. 1, 2015.

Longer is generous, especially if the employer needs help training your replacement — but if you've stayed well past your mental health "best by" date, tie off your projects as best you can and make a clean break.

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Human-verified similar examples from authoritative sources

Similar Expressions

44 human-written examples

Some yoghurts remain good to eat one to three weeks after the best-by date.

News & Media

The Guardian

Though the recall covers cereal with a best-by date of June 14 , 2018 through June 14 , 2019 the agency is recommending people avoid the cereal altogether.

In those countries most of the waste is caused by consumers throwing away perfectly good food, in large part because grandma's taste-and-sniff test of food that is past its best-by date has fallen out of favour.

News & Media

The Economist

The Liberals may not be past their best-by date yet — Canadians typically grow tired of federal governments after a few rounds — but they've been in government long enough that running the smiling 2015 "Hope and hard work" campaign will be tricky.

The ready-to-eat bites in question come in 22-ounce frozen packages with a best-by date of 10/25/19 and UPC Bar Code 72745-80656, with a "P-33944" inside the USDA mark of inspection.

News & Media

HuffPost
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Expert writing Tips

Best practice

Understand that "best by date" indicates quality, not safety. Use sensory evaluation (sight, smell, taste) to determine if a product is still suitable for consumption after this date.

Common error

Do not automatically discard food solely based on the "best by date". This date primarily indicates quality, not safety. Use your senses to evaluate the food's condition, and only discard it if there are clear signs of spoilage.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

85%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "best by date" functions as a noun phrase, typically modifying another noun (e.g., "check the best by date"). Ludwig AI confirms its usage in indicating a date related to food or product quality.

Expression frequency: Uncommon

Frequent in

News & Media

65%

Wiki

15%

Academia

10%

Less common in

Formal & Business

5%

Science

3%

Reference

2%

Ludwig's WRAP-UP

The phrase "best by date" is a noun phrase used to indicate the date until which a product maintains its optimal quality, as confirmed by Ludwig AI. It's important to distinguish this from "use by" or "expiration" dates, which relate to safety. The term appears frequently in news and media, as well as in academic and wiki sources, suggesting a generally neutral register. When using the phrase, provide the full date for clarity and understand it indicates quality, not necessarily safety. Be aware of the common error of confusing it with expiration dates, and always use your senses to evaluate the condition of the product.

FAQs

What is the difference between "best by date" and "use by date"?

A "best by date" indicates when a product will be of best quality or flavor. A "use by date" /s/use+by+date suggests when a product is no longer safe to consume.

How should I interpret a "best by date" on food packaging?

A "best by date" means the product is likely to decline in quality after that date, but it doesn't necessarily mean it's unsafe to eat. Use your senses to determine if it's still good.

Can I still consume a product after its "best by date"?

It depends. If the product looks, smells, and tastes normal, it's likely safe to consume, though the quality may not be optimal. Check for signs of spoilage before consuming.

What are some alternatives to saying "best by date"?

You can use alternatives such as "better if used by", /s/better+if+used+by "sell by date", /s/sell+by+date or "expiration date" /s/expiration+date depending on the context.

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Source & Trust

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Authority and reliability

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Expert rating

Real-world application tested

Most frequent sentences: