Comparing E306 - Tocopherol-rich extract vs E300 - Ascorbic acid
Overview
Synonyms
Products
Found in 5,813 products
Found in 3,523 products
Search rank & volume
Awareness score
Search volume over time
Interest over time for 6 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
Are tocopherols bad for you?
No—tocopherols (E306, natural vitamin E) are considered safe at permitted food-use levels; issues mainly arise with excessive supplement doses, which can increase bleeding risk or cause mild stomach upset.
Are tocopherols safe for dogs?
Yes—mixed tocopherols are commonly used as natural preservatives in dog foods and are considered safe at those levels; avoid high-dose vitamin E supplements for pets unless advised by a veterinarian.
What are tocopherols in food?
They are vitamin E compounds (E306) extracted from vegetable oils, added as antioxidants to slow oxidation and rancidity, especially in fatty foods.
What is tocopherols in food?
In foods, “tocopherols” (E306) refers to a vitamin E–rich extract used as an antioxidant to stabilize oils and preserve flavor.
Are tocopherols safe?
Yes—E306 is generally considered safe at normal food levels (authorized in the EU and GRAS in the U.S.); risks mainly come from very high supplemental intakes.
Is ascorbic acid bad for you?
No—ascorbic acid (vitamin C) is considered safe at typical food levels and is essential for health; it’s GRAS in the U.S. and approved in the EU. Very high supplemental doses can cause gastrointestinal upset and, in susceptible people, increase kidney stone risk.
Can dogs have ascorbic acid?
Yes, small amounts in foods are safe, but dogs synthesize their own vitamin C and usually don’t need supplements. High doses may cause diarrhea, so consult a veterinarian before supplementing.
What is ascorbic acid made from?
Commercial ascorbic acid is typically made from glucose (often derived from corn, wheat, or cassava) that’s converted via microbial fermentation and chemical steps into L‑ascorbic acid.
How is ascorbic acid made?
Industrially, D‑glucose is converted to 2‑keto‑L‑gulonic acid by fermentation (or via the older Reichstein process: glucose → sorbitol → L‑sorbose → 2‑KGA) and then chemically cyclized to ascorbic acid. Modern methods use two-step fermentation to improve efficiency.
Is ascorbic acid the same as citric acid?
No—ascorbic acid (E300) is vitamin C and an antioxidant, while citric acid (E330) is a different compound mainly used as an acidulant and does not provide vitamin C.