noun
best-before date; use-by date; expiry date
Refers to the date until which a food product is expected to retain its best flavor and quality. In Japan, this is distinct from 消費期限 (use-by date for safety).
この牛乳の賞味期限は明日までです。
This milk's best-before date is tomorrow.
賞味
Food past its best-before date is not necessarily inedible right away.