鮮せん度ど保ほ持じ剤ざい

• 保ほ存ぞん料りょう

  保存料 is a preservative that prevents spoilage, while 鮮度保持剤 specifically maintains freshness without necessarily preventing microbial growth.

• 酸さん化か防ぼう止し剤ざい

  酸化防止剤 is an antioxidant that prevents oxidation, whereas 鮮度保持剤 may work through various mechanisms to keep food fresh.

Compound of 鮮度 (freshness) + 保持 (preservation) + 剤 (agent).