Comparing E452 - Polyphosphates vs E339II - Disodium phosphate
Overview
Synonyms
Functions
Products
Found in 5,226 products
Found in 5,690 products
Search rank & volume
Awareness score
Search volume over time
Interest over time for 3 keywords in U.S. during the last 10 years.
Interest over time for 4 keywords in U.S. during the last 10 years.
Popular questions
Girlsdoporn e452 who is she?
That appears unrelated to the food additive E452; E452 refers to polyphosphates, synthetic phosphate salts used in foods as emulsifiers, stabilizers, humectants, and sequestrants.
How does polyphosphates reduce affinity of hemoglobin for oxygen?
Inorganic polyphosphate can bind to positively charged sites on deoxyhemoglobin and stabilize the low‑affinity T-state, shifting the oxygen dissociation curve to the right and lowering O2 affinity. This is a biochemical interaction and not a typical food-use effect of E452.
How many states use polyphosphates?
There’s no official tally; polyphosphates are used by many water utilities across numerous U.S. states and worldwide for iron/manganese sequestration and scale/corrosion control, depending on local water chemistry.
How many states use polyphosphates to treat water?
No centralized count exists, but hundreds of U.S. community water systems in dozens of states use phosphate-based treatments (often polyphosphates or poly/ortho blends) for metal sequestration and corrosion control. Usage changes over time with source water and regulations.
How to remove polyphosphates from drinking water?
Effective options include reverse osmosis or nanofiltration, and strong‑base anion exchange; utilities may also use coagulation/precipitation with iron or alum followed by filtration. Polyphosphates hydrolyze to orthophosphate over time, which the same processes remove; activated carbon and boiling are generally ineffective.
Is disodium phosphate bad for you?
Generally no—E339(ii) is an approved additive used at low levels; however, it contributes sodium and phosphate, so people with kidney disease or on phosphate‑restricted diets should limit it.
What is disodium phosphate in food?
It's the sodium salt Na2HPO4 (E339(ii)) used as an emulsifier, acidity regulator/buffer, stabilizer, sequestrant, humectant, and thickener.
What is disodium phosphate used for?
It emulsifies processed cheese, controls acidity, improves texture and moisture retention in dairy and meat products, and binds metal ions that can affect flavor and color.
Is disodium phosphate safe?
Yes—it's permitted by regulators (e.g., FDA GRAS; EU E339) and considered safe at typical food levels, though very high phosphate intakes are discouraged, especially for people with kidney problems.
What does disodium phosphate do?
It keeps mixtures smooth and stable, maintains pH, binds minerals to protect quality, and can help foods retain moisture and thickness.