Until recently the inorganic anions nitrate (NO 3 −) and nitrite (NO 2 −) were considered inert end products of nitric oxide (NO) metabolism and unfavorable dietary constituents.However, a new ...
around 5% of dietary nitrates and nitrites come from their use as a food additive. Nitrate is also converted into nitrite by the bacteria in ‘the deep crypts’ of our tongue and our stomach.
In humans, dietary nitrate (mostly from green leafy vegetables) is converted to nitrite in saliva, and to nitric oxide (NO) in the acidic stomach. Petersson and colleagues hypothesized that ...