Comparing E392 - Extracts of rosemary vs E304I - Ascorbyl palmitate

Synonyms
E392
Extracts of rosemary
rosemary extract
E304i
Ascorbyl palmitate
L-Ascorbyl Palmitate
Products

Found in 3,436 products

Found in 513 products

Search rank & volume
#2661.4K / mo🇺🇸U.S.
#2004.2K / mo🇺🇸U.S.
Awareness score

×0.06
under-aware

×1.20
normal

Search volume over time

Interest over time for 3 keywords in U.S. during the last 10 years.

Interest over time for 3 keywords in U.S. during the last 10 years.

Popular questions
  1. Can dogs have rosemary extract?

    Yes—small amounts of rosemary extract (E392) used as a food preservative are generally safe for dogs; avoid giving concentrated essential oils and stop if stomach upset occurs.

  2. Can dogs eat rosemary extract?

    It’s commonly used in dog foods as a natural antioxidant and is considered safe at low levels, but consult your vet if your dog is prone to seizures or is pregnant/lactating.

  3. Can cats have rosemary extract?

    In the tiny amounts used as a preservative, rosemary extract is generally considered safe for cats; do not use rosemary essential oil, as cats are very sensitive to concentrated oils.

  4. How to extract rosemary oil?

    Rosemary essential oil is typically obtained by steam distillation of the herb, producing a highly concentrated oil that is not the same as E392 and isn’t intended for ingestion without expert guidance.

  5. How to make rosemary extract?

    Commercial E392 is made by extracting rosemary with food‑grade solvents (e.g., ethanol), then purifying and standardizing carnosic acid/carnosol levels; at home you can approximate it by steeping dried rosemary in high‑proof food‑grade alcohol and filtering, though it won’t be standardized.

  1. Is ascorbyl palmitate safe?

    Yes—it's approved as a food antioxidant in the EU, U.S., Canada, Australia, and New Zealand and is considered safe at permitted levels. The body breaks it down into vitamin C (ascorbic acid) and palmitic acid; high supplemental intakes may occasionally cause mild stomach upset.

  2. What is ascorbyl palmitate in supplements?

    A fat‑soluble form of vitamin C used either as the active vitamin C or to protect oils and softgels from oxidation. It’s hydrolyzed to ascorbic acid and palmitic acid, so its vitamin C activity is similar to regular vitamin C but it’s favored for oil‑based formulations.

  3. What is ascorbyl palmitate made from?

    It’s the ester of L‑ascorbic acid (vitamin C) and palmitic acid, typically derived from palm oil or other fats. It’s produced by chemical or enzymatic esterification; sources can be plant, animal, microbiological, or synthetic.

  4. Ascorbyl palmitate what is it?

    Ascorbyl palmitate (E304i) is a fat‑soluble ester of vitamin C used as an antioxidant in foods, especially those rich in fats. It helps slow oxidation and rancidity and can also act as a source of vitamin C.

  5. What is ascorbyl palmitate used for?

    Primarily as an antioxidant (E304) to prevent rancidity and preserve flavor and color in foods like oils, margarines, snacks, and baked goods. It’s also used in supplements to stabilize oil‑based ingredients and sometimes as a vitamin C source.