Meaning of the word "food grade" in English

What does "food grade" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

food grade

US /ˈfuːd ˌɡreɪd/
UK /ˈfuːd ˌɡreɪd/

Adjective

suitable for use with food, especially in terms of safety and non-toxicity

Example:
All containers used in our kitchen are food grade.
Make sure the plastic you use for storing water is food grade.