Comparing E339 - Sodium phosphates vs E340II - Dipotassium phosphate
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Popular questions
How are sodium phosphates made?
They’re produced by neutralizing food‑grade phosphoric acid with sodium hydroxide, carbonate, or bicarbonate to the desired ratio to yield mono-, di-, or trisodium phosphate, then crystallizing (often as hydrates); condensed polyphosphates are made by dehydrating/condensing orthophosphates at elevated temperatures.
How do saline enema sodium phosphates work?
They act as hyperosmotic salts that draw water into the colon, increasing volume and stimulating peristalsis to trigger a bowel movement; improper use can cause fluid and electrolyte imbalances, so they should be used only as directed.
How does sodium aluminate react with phosphates?
In water, sodium aluminate hydrolyzes to Al(OH)3, which binds phosphate and precipitates it as insoluble aluminum phosphate (AlPO4), especially near neutral pH—this is the basis for phosphate removal in water treatment.
How many meq of sodium does sodium phosphates have?
It depends on the specific salt and hydration: anhydrous NaH2PO4 ≈8.3 mEq Na per gram, Na2HPO4 ≈14.1 mEq/g, and Na3PO4 ≈18.3 mEq/g (hydrates contain less per gram); a typical adult sodium phosphate enema contains about 190 mEq of sodium.
How many sodium phosphates are there?
There are three main orthophosphate salts used in foods—monosodium, disodium, and trisodium phosphate—listed as E339(i–iii), plus various hydrates and condensed (polyphosphate) forms.
Is dipotassium phosphate bad for you?
Not for most people at the small amounts used in foods; E340(ii) is an approved additive. Those with kidney disease or on phosphate- or potassium‑restricted diets should limit it, as high phosphate or potassium intakes can be problematic.
Is dipotassium phosphate safe?
Yes—regulators such as EFSA and the FDA allow its use in foods; EFSA sets a group ADI for phosphates of 40 mg/kg body weight per day (as phosphorus). People with kidney disease or on potassium‑restricted regimens should be cautious.
What is dipotassium phosphate used for?
It’s a mineral salt used as an emulsifier, stabilizer, buffering agent, humectant and sequestrant to control acidity, keep proteins stable, and improve solubility. Common in non‑dairy creamers, dairy powders, processed cheese, beverages, and some processed meats.
Is dipotassium phosphate good for you?
It’s mainly a processing aid, not a health booster; it contributes small amounts of potassium and phosphate but isn’t intended as a nutrient source. Any mineral supplementation should be guided by a healthcare professional.
What is dipotassium phosphate in food?
It’s the potassium phosphate salt K2HPO4 (E340(ii)) used to regulate pH and stabilize formulations, helping products mix smoothly and maintain texture.