noun
best-before period
Refers to the period during which a food product is expected to retain its quality when stored unopened as directed. Distinct from 消費期限 (use-by date), which concerns safety.
このお菓子の賞味期間は製造日から三ヶ月です。
The best-before period for this snack is three months from the date of manufacture.
賞味期
Even after the best-before period has passed, it does not mean the food becomes inedible immediately.