Comparing E211 - Sodium benzoate vs E425I - Konjac gum
Overview
Synonyms
Products
Found in 16,173 products
Found in 111 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 3 keywords in U.S. during the last 10 years.
Popular questions
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.
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.
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.
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.
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.
How much konjac gum to use?
Typical food-use levels are about 0.1–1.0% by weight for thickening/stabilising; 0.2–0.6% (often with xanthan or carrageenan) for elastic gels; and roughly 1–3% for firm konjac gels/noodles when used with alkali/calcium—adjust to the desired texture and local regulations.
How much pure konjac gum should you take at one time in powder form?
Do not swallow dry konjac gum powder—it swells rapidly and can cause choking or blockage; it is intended to be fully hydrated in foods. If using glucomannan supplements, follow the product’s directions (single doses are commonly around 1 g with plenty of water), but this refers to E425(ii), not E425(i) gum.
How to use konjac gum?
Premix the powder with sugar or oil (or other dry ingredients) to prevent clumping, then hydrate with good agitation—often in hot water (about 60–90°C) until fully dispersed. For firm, heat-stable gels, use a small amount of alkali or calcium; konjac works synergistically with xanthan or kappa-carrageenan to build elastic texture.
What is konjac gum xanthan gum used for?
Together they are used to make stable, elastic, shear-thinning textures in sauces, dressings, plant-based meats, dairy alternatives, and gluten-free doughs, and to form heat-stable gels. The blend improves suspension and freeze–thaw stability compared with either gum alone.
What is konjac root gum?
Konjac root gum (E425i) is a plant-derived hydrocolloid from the tuber of Amorphophallus konjac, composed mainly of glucomannan, used as a thickener, stabiliser, emulsifier, humectant, and carrier in foods.