Comparing E211 - Sodium benzoate vs E445 - Glycerol esters of wood rosin

Synonyms
E211
Sodium benzoate
E445
Glycerol esters of wood rosin
Glycerol ester of wood rosin
glyceryl abietate
ester gum
Products

Found in 16,173 products

Found in 1,945 products

Search rank & volume
#6838.2K / mo🇺🇸U.S.
#2252.8K / mo🇺🇸U.S.
Awareness score

×0.34
under-aware

×0.21
under-aware

Search volume over time

Interest over time for 2 keywords in U.S. during the last 10 years.

Interest over time for 5 keywords in U.S. during the last 10 years.

Popular questions
  1. Is sodium benzoate bad for you?

    Generally no—it's an approved preservative with an acceptable daily intake (ADI) of 0–5 mg/kg body weight, and typical intakes are well below this. Rare sensitivities (e.g., hives/asthma-like symptoms) can occur, and in vitamin C–containing drinks exposed to heat/light it can form trace benzene, which manufacturers work to minimize.

  2. Is sodium benzoate safe?

    Yes—it's authorized by regulators (e.g., FDA, EFSA, JECFA) with an ADI of 0–5 mg/kg body weight and is GRAS in foods up to 0.1%. Those with sensitivities may wish to limit it, and beverages containing both sodium benzoate and ascorbic acid should be protected from heat/light to prevent benzene formation.

  3. Is sodium benzoate safe for skin?

    Yes—it's widely used as a cosmetic preservative at low concentrations and is considered safe by regulatory and review bodies. It may occasionally cause mild irritation or sensitization, especially on very sensitive or damaged skin.

  4. Is sodium benzoate bad for hair?

    No—at the low levels used to preserve shampoos and conditioners it does not damage hair fibers. As with many preservatives, higher concentrations can irritate the scalp, but consumer products use small amounts.

  5. Is sodium benzoate harmful?

    Not at permitted food and cosmetic levels; safety limits (e.g., ADI 0–5 mg/kg body weight) are set to prevent harm. Main concerns are rare intolerance reactions and trace benzene formation in vitamin C–containing drinks under heat/light, which industry monitors and minimizes.

  1. Is ester gum bad for you?

    No—at permitted food levels it’s considered safe; EFSA set an acceptable daily intake of 25 mg/kg body weight, and typical exposures from beverages are well below this.

  2. What is ester gum in drinks?

    It’s a weighting agent/emulsifier that keeps citrus flavor oils evenly dispersed in soft drinks, preventing separation and “ringing” at the surface; it’s often used as an alternative to brominated vegetable oil.

  3. Is ester gum vegan?

    It’s derived from wood rosin (from pine trees) reacted with glycerol; while the rosin is plant-based, glycerol can be plant-, animal-, or synthetic-derived, so vegan status depends on the supplier—check manufacturer or certification.

  4. What is ester gum made of?

    Glycerol esters of wood rosin—produced by reacting refined wood rosin (rosin acids from pine) with glycerol and then purifying the product.

  5. What is ester gum used for?

    Mainly to emulsify and weight citrus oils in soft drinks so they stay uniformly mixed; it’s also used in chewing gum and some desserts as a stabilizer.