anti-oxidant

ANTI-OXIDANT noun

[ C ] uk/ˌæntiˈɒksɪdənt/ us/ˌæntaɪ-/
a substance that slows down the rate at which something decays because of oxidization (= combining with oxygen)

противоокислительa substance, for example a vitamin in food, that protects your body from damage

антиоксидант