Polygonum Cuspidatum Extract

Polygonum cuspidatum extract is a natural botanical ingredient standardised to contain 98% trans-resveratrol. Extracted from the root of the Polygonum cuspidatum plant, known for its powerful antioxidant properties, the product is a whitish or slightly creamy granule with a characteristic plant aroma and taste.

Resveratrol extract has antioxidant activity, supports the circulatory system, cellular metabolism and protection against oxidative stress. For this reason, it is widely used in dietary supplements, nutraceuticals, functional products and cosmetics.

Description

Trans-Resveratrol 98% is characterised by high purity, low moisture content and compliance with microbiological and pesticide standards. The product does not contain heavy metals in quantities exceeding the permissible limits.

Parameter	Value
Appearance	White or cream granules
Taste and smell	Characteristic, plant-like
Trans-resveratrol content	≥ 98.0%
Moisture (Loss on drying)	≤ 1.0%
Ash	≤ 1.0%
Sieve analysis	≥ 95% through 20–60 mesh
Lead (Pb)	≤ 3.0 mg/kg
Arsenic (As)	≤ 2.0 mg/kg
Cadmium (Cd)	≤ 1.0 mg/kg
Mercury (Hg)	≤ 0.1 mg/kg
Pesticides	Compliant with Eur.Ph. <2.8.13>
Residual solvents	Compliant with Eur.Ph. <2.