保存料

1. Origins, structure, and basic meaning

• Structure: 保存料 (ほぞんりょう) combines preservation 保存 with material 料 to name a preservative additive.
• Basic usage: 保存料 denotes a preservative added to slow deterioration, especially in food.

2. Common pitfalls and similar expressions

• Preservative, not a storage fee
  • The final 料 does not make the word mean a fee charged for storage.