Comparing E470 - Sodium/potassium/calcium and magnesium salts of fatty acids vs E470AI - Sodium salts of fatty acids
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Popular questions
How much is the toll on e470?
E470 here refers to a food additive (salts of fatty acids), not a road, so there’s no toll associated with it.
How much is e470 toll?
There is no toll—E470 is an E-number for a food additive, not a toll road.
Who owns e470?
No one “owns” E470; it’s an E-number designation for a class of fatty acid salts recognized by food authorities and produced by multiple manufacturers.
How much does e470 cost?
Prices vary by type, purity, supplier, and order size, but these salts are generally low-cost commodity emulsifiers in bulk; small-quantity retail prices are higher.
How many tolls on e470?
None—E470 is a food additive code, so tolls do not apply.
Explain why sodium salts of fatty acids, although they are salts, are not very soluble in water?
Their long hydrophobic hydrocarbon tails outweigh the small ionic (carboxylate) head, so they prefer to aggregate into micelles or lamellar phases rather than disperse as individual ions; solubility decreases with chain length and is generally lower for sodium than potassium salts.
What are sodium or potassium salts of fatty acids?
They are soaps—anionic surfactants (RCOO− Na+ or RCOO− K+) formed by neutralizing fatty acids with sodium or potassium hydroxide, used in foods as emulsifiers and stabilizers.
What are sodium salts of long chain fatty acids called?
They are commonly called soaps, for example sodium stearate or sodium palmitate.
What do the sodium salts of fatty acids taste like?
They have a characteristic soapy, slightly bitter/alkaline taste; at typical food-use levels they contribute little flavor but can cause a soapy off-note if overused.
What is special about sodium salts of fatty acids?
They are amphiphilic surfactants that lower surface tension and self-assemble (e.g., into micelles), enabling them to emulsify and stabilize fat–water mixtures. They can also form insoluble “soaps” with calcium or magnesium ions.