Medical Dictionary

antinutrient

noun an·ti·nu·tri·ent \ -ˈn(y)ü-trē-ənt \
variants: or anti-nutrient

medical Definition of antinutrient

: a naturally-occurring substance (such as saponin or tannin) found in plant-derived foods that interferes with absorption or proper functioning of nutrients in the body
  • Oxalate is called an “anti-nutrient” because it binds with calcium and some other minerals so they cannot be absorbed.
  • —Chris RosenbloomThe Atlanta Journal-Constitution29 Sept. 2009
; also : a substance (such as refined sugar or alcohol) that has little nutritive value and that typically depletes the body of more nutrients than it provides when metabolized

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