Assertion: nitrate | /r/HasProperty | precursor
Facets:
value: to nitrite
type: OTHER
value: in the lower gut
type: LOCATION
Source sentences:
text: The two areas of possible concern are that (i) nitrate could be a precursor to nitrite in the lower gut, and nitrite is a precursor to nitrosamines, which are implicated in carcinogenesis, and (ii) nitrate is implicated in methemoglobinemia, a disorder of red blood cells hemoglobin.