Xanthan Thickener Percentage Amount Calculator

Xanthan gum as a thickener: percentage dosing

Xanthan gum is a high-molecular-weight polysaccharide that the bacterium Xanthomonas campestris makes by fermenting glucose. Modernist and gluten-free cooks reach for it to thicken and stabilise, and they use very little of it. To work out how much powder you need, mass (g) = volume (mL) × percentage (%) / 100, on the assumption that the liquid sits at a density near 1 g/mL.

Most of the time you stay in the 0.1–0.5% band for light to medium thickening of sauces, juices and dressings, and push to 0.5–1% for soft gels and pourable creams. Xanthan is strongly pseudoplastic. Its viscosity drops fast under shear, whether you whisk, pump or chew it, and comes back at rest, which is why a sauce can pour easily and still cling to the food.

Applications

It stands in for the gluten network in gluten-free baking, keeps ice crystals small in ice creams and sorbets, holds solids suspended in dressings and vinaigrettes, thickens drinks for dysphagia diets, and stabilises modernist sauces and foams. Both Brazil’s ANVISA and the EU clear it as food additive E415 / INS 415.

FAQ

Why does my mixture turn lumpy? Because xanthan hydrates the moment it hits water. Disperse it into oil first, or sift it in while you run an immersion blender hard.

Does heat destroy it? No. It holds up from roughly 0 °C to 90 °C and across pH 3–10, so boiling, freezing and an acidic dressing won’t break it down.

Is it safe? Yes. It is widely accepted as a food additive, with recommended intakes kept very low. Go past about 15 g/day and sensitive people may feel bloated.