Comparing E334 - L(+)-tartaric acid vs E450III - Tetrasodium diphosphate

Synonyms
E334
L(+)-tartaric acid
tartaric acid
2‚3-dihydroxybutanedioic acid
2‚3-dihydroxysuccinic acid
threaric acid
racemic acid
uvic acid
paratartaric acid
E450iii
Tetrasodium diphosphate
Tetrasodium pyrophosphate
Tetrasodium disphosphate
sodium pyrophosphate
TSPP
e450iii
Products

Found in 2,434 products

Found in 1,336 products

Search rank & volume
#1577.7K / mo🇺🇸U.S.
#2372.3K / mo🇺🇸U.S.
Awareness score

×0.46
under-aware

×0.26
under-aware

Search volume over time

Interest over time for 9 keywords in U.S. during the last 10 years.

Interest over time for 6 keywords in U.S. during the last 10 years.

Popular questions
  1. Is tartaric acid bad for you?

    No—L(+)-tartaric acid (E334) is approved for use in foods (e.g., EU E-number; FDA GRAS) and is considered safe at typical levels; very high intakes may cause stomach upset, and only the L(+)-form is used as an additive.

  2. What is tartaric acid used for?

    It’s used as an acidulant to add sourness and control pH, and as an antioxidant/sequestrant; it also partners with baking soda in leavening and is added to wine to adjust acidity.

  3. How much tartaric acid to add to wine?

    It depends on your must/wine’s pH and titratable acidity—bench trials are essential; as a rule of thumb, 1 g/L tartaric acid raises TA by about 1 g/L and can lower pH by ~0.1–0.3, with typical adjustments in the 0.5–2 g/L range subject to local regulations.

  4. What does tartaric acid do?

    It provides a sharp, tart flavor while regulating acidity, chelating metals, and limiting oxidation; in baking it reacts with sodium bicarbonate to release CO2, and in wine it helps set acid balance and stability.

  5. What foods have tartaric acid?

    It occurs naturally in grapes, wine, and tamarind (also in smaller amounts in some fruits), and as an additive it’s found in soft drinks, candies, jams/jellies, gelatin desserts, and baking powders/cream of tartar.

  1. What is sodium acid pyrophosphate?

    You may be thinking of sodium acid pyrophosphate (SAPP, E450i), but this entry covers tetrasodium diphosphate (E450iii), an inorganic phosphate salt used as a sequestrant, stabiliser/emulsifier, humectant and thickener. It helps bind metal ions, control pH and retain moisture in foods like processed meats and seafood.

  2. Is sodium acid pyrophosphate bad for you?

    At permitted food levels, tetrasodium diphosphate (E450iii)—a related phosphate—is considered safe by major regulators; EFSA sets a group ADI for phosphates of 40 mg/kg body weight/day (as phosphorus). Very high phosphate or sodium intakes can be a concern for people with kidney disease or on phosphate‑restricted diets.

  3. Is sodium acid pyrophosphate gluten free?

    Yes—tetrasodium diphosphate (E450iii) is an inorganic mineral salt and is gluten‑free. As with any ingredient, gluten risk would only come from cross‑contact during manufacturing, not the additive itself.

  4. Is tetrasodium pyrophosphate safe?

    Yes—when used within legal limits, tetrasodium diphosphate (E450iii) is permitted and considered safe by regulators (e.g., FDA, EFSA/JECFA), with EFSA’s group ADI for phosphates at 40 mg/kg body weight/day (as phosphorus). People with kidney disease or needing to limit phosphate/sodium should moderate intake.

  5. Is sodium acid pyrophosphate safe?

    While you mention SAPP, for the related tetrasodium diphosphate (E450iii) the consensus is that it’s safe at approved levels, under the same phosphate group ADI set by EFSA (40 mg/kg body weight/day as phosphorus). Those with kidney issues or on phosphate‑restricted diets should limit exposure.