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E404 Calcium alginate
Calcium salt of alginic acid (E400), a natural polysaccharide, produced by different seaweeds of the family Phaeophyceae (Macrocystis pyrifera, Laminaria digitata, L. cloustoni, Ascophyllum nodosum) in the USA and the UK.
Function & characteristics:
Thickening agent, emulsifier, prevents crystallisation in frozen products.
Ice cream and frozen bakery products.
Acceptable Daily Intake:
None known in the concentrations used. High concentrations lead to impairment of iron uptake, as the iron is bound.
Alginic acid and alginates can be used by all religious groups, vegans and vegetarians.