E357 – Potassium adipate
AcidulantDescription
White crystalline powder
Notes
Potassium adipate is a white crystalline powder created by combining adipic acid with potassium. The adipic acid used is typically manufactured from petroleum-based starting materials through industrial chemical processes, though the resulting compound is chemically similar to naturally occurring organic salts. The potassium component comes from potassium hydroxide or potassium carbonate. Like its sodium counterpart, potassium adipate serves as an acidity regulator in foods, helping manufacturers control pH levels to achieve the right flavor balance and food safety. It's commonly used in gelatin-based desserts, some beverages, and various processed foods where precise acidity control is needed for both taste and preservation purposes. This is a synthetic additive that's suitable for vegetarians and vegans, containing no animal-derived components. It's considered safe for general consumption by food safety regulators. Unlike sodium-based additives, potassium adipate may actually be preferable for some consumers since potassium is an essential mineral that many people don't get enough of in their diets, and it doesn't contribute to sodium intake concerns.