Rhizoma Picrorhizae


The rhizome of Picrorhiza scrophulariflora Pennell, family Scrophulariaceae.

Rhizome slightly curved-terete, 3-12 cm long, 0.3-1.0 cm in diameter, with dull brown surface. Stem nodes with obvious annular striae and bud scars or protruded root traces and remnants of scaly petiole bases; epidermis easily peeled off, light in weight and fragile. Fractured surface brown-yellow, with several white spotted bundles in annular arrangement. Bitter in taste, cold in nature, and attributive to heart, liver, stomach and large intestine channels.

1. Lower asthenic fever and fever of infantile malnutrition: For the late stage of febrile disease complicated by yin-deficiency with hectic fever and infantile malnutrition with fever, mostly used together with Radix Stellariae, Cbrtex Lycii Radicis.
2. Clear away heat and toxic materials, deprive dampness: For diarrhea and dysentery of dampness-heat type, carbuncle, hemorrhoids, conjunctivitis, etc.

Pharmacological Action
The extract from its root is antibacterial and cholagogic.

Administration Decoction: 3-9g.


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Mr. Wang Tao

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