Food-Info.net> E-numbers > E200-300
E251: Sodium nitrate
Naturally occurring mineral. Also present in nearly all vegetables.
Function & characteristics:
White powder used as a preservative and against fading of natural colours.
Cheese, meat and meat products, pizza, etc.
Acceptable Daily Intake:
Up to 3.7 mg/kg body weight.
Nitrates have no side effects; however, they may be converted into nitrite (E250) either by heating or when present in the stomach.
None – nitrites and nitrates can be consumed by all religious groups, vegans and vegetarians.