Comparing E307 - Alpha-tocopherol vs E319 - Tertiary-butylhydroquinone (tbhq)
Overview
Synonyms
Products
Found in 340 products
Found in 3,147 products
Search rank & volume
Awareness score
Search volume over time
Interest over time for 2 keywords in U.S. during the last 10 years.
Interest over time for 7 keywords in U.S. during the last 10 years.
Popular questions
What is d alpha tocopherol?
It’s the natural stereoisomer of vitamin E (RRR‑α‑tocopherol, E307), typically derived from vegetable oils and used as an antioxidant and nutrient in foods.
Is d alpha tocopherol natural?
Yes—“d‑” indicates the naturally occurring RRR‑α‑tocopherol, usually sourced from plant oils; the synthetic form is labeled “dl‑” (all‑rac‑α‑tocopherol).
What is d-alpha tocopherol?
It’s the natural form of vitamin E (RRR‑α‑tocopherol, E307), the most biologically active isomer and commonly used as an antioxidant in foods.
Is d alpha tocopherol synthetic?
No; the “d‑” form is natural, while the synthetic version is the racemic “dl‑” (all‑rac) α‑tocopherol.
What is d alpha tocopherol acetate?
It’s the acetate ester of d‑α‑tocopherol used for improved stability in foods and supplements; the body converts it to active α‑tocopherol.
What is tbhq in food?
TBHQ (E319) is a synthetic antioxidant added to fats and oils to slow oxidation, helping prevent rancidity, off-flavors, and color loss in foods.
Is tbhq bad for you?
At the low levels allowed in foods, it’s considered safe by regulators; adverse effects have been observed only at much higher doses in animal studies, with an ADI of 0–0.7 mg/kg body weight/day.
Tbhq what is it?
TBHQ (tert‑butylhydroquinone) is a phenolic antioxidant preservative used to stabilize fats and oils in processed foods.
What foods contain tbhq?
It’s commonly used in vegetable oils and fat-rich processed foods such as snacks (chips, crackers), instant noodles, microwave popcorn, baked goods, and some fast‑food frying oils.
How much tbhq is harmful?
The acceptable daily intake is 0–0.7 mg per kg body weight per day (about 50 mg/day for a 70‑kg adult); regulations typically cap TBHQ at 200 mg/kg (0.02%) of the fat or oil, and adverse effects are linked to doses far above these levels.