Radix Pseudostellariae (Taizishen)–Heterophylly Falsestarwort Root

Origin

Heterophylly Falsestarwort Root is the dried tuber of Pseudostellaria heterophylla (Miq.) Pax ex Pax et Hoffm. The drug is collected in autumn when stem and leaf mostly withered, washed clean, removed from rootlet, treated with boiling water for a moment, then dried in the sun, or dried in the sun directly.
Description and Identification
Slenderly fusiform or slat-shaped, slightly curved, 3 ~ 10cm long, 2 ~ 6mm in diameter. Root-stock with stem scars, externally yellowish-white, relatively smooth but slightly wrinkled longitudinally, with rootlet scars at dent. Texture hard and fragile, fracture even, yellowish-white and horny, or whitish and starchy. Odour, slight; sweetish in taste.
Chemical Ingredients
palmitic acid, linoleic acid, glycerol 1-monolinolate; the others such as sugar, amino acid, and microelements, etc.
Property and Channel Tropism
Property: slightly bitter and sweet in taste; neutral in nature.
Channel tropism: spleen and lung.





