鮮度 せんど保持 ほじ ざいではありませんでした
sendohojizaidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 鮮度保持剤

1. Was not a freshness preservative.; Was not a freshness-keeping agent.

Past/Perfective
Negative
Polite
Formal Register