best-before date
US /ˌbest bɪˈfɔːr deɪt/
UK /ˌbest bɪˈfɔːr deɪt/

1.
賞味期限, ベストバイ日付
a date marked on a food product indicating the date by which the food should be eaten for best quality, but not necessarily for safety
:
•
Always check the best-before date on dairy products.
乳製品の賞味期限を必ず確認してください。
•
The cereal is still good, even though it's past its best-before date.
シリアルは賞味期限を過ぎていますが、まだ食べられます。