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E 628Flavour Enhancers

Dipotassium guanylate

Characteristics

Additive NameDipotassium guanylate
E No.E 628
TypeIndividual Substance
In plain language

A flavour enhancer derived from guanylic acid, used to boost savoury, umami taste in processed foods. It works synergistically with glutamates — meaning tiny amounts create a much stronger effect together. Found in soups, snack seasonings, and instant noodles. Generally considered safe at typical food use levels. Those with gout should be cautious — like all guanylates, it breaks down into purines in the body, which can raise uric acid levels.

Source

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E 628 - Dipotassium guanylate | E-Number Information