Food-Info.net> E-numbers > E500-600

557 : Zinc silicate

Origin:
Produced from the mineral willemite, also produced from siliciumoxide (quartz) and zinc oxide.

Function & Characteristics:
Used as anti-caking agent.

Products:
Dry products, but hardly used.

Acceptable daily intake (ADI):
None determined

Side effects:
None known

Dietary restrictions:
None. 557 can be used by all religious groups, vegetarians and vegans.