Tuber fleeceflower stem is the rattan stem or leafed rattan stem of the tuber fleeceflower (Polygonum Multiflorum) plant in the Polygonaceae family. The rattan stems are strong and uniform, and the outer skin is preferably brown. It is distributed throughout China. It is used to treat insomnia, dreaminess, numbness of the skin, rheumatism, urticaria, and has the effect of lowering blood lipids.
Tuber Fleeceflower Stem Extract is a botanical ingredient derived from Polygonum multiflorum stems, processed via ethanol extraction to preserve bioactive compounds. While often confused with root extracts containing emodin, the stem variant typically lacks significant anthraquinones.
Strictly monitor for hepatotoxicity risks associated with Polygonum species; ensure heavy metal testing. Store in cool, dry conditions below 25°C away from direct sunlight to maintain stability.