Radix Polygalae


Root or root cortex of Polygala tenuifolia Wilid., family Polygalaceae.

Root fme-terete, curved, 10-25 cm long, 0.3-1.0 cm in diameter. Surface grey-yellow, with depressed annular wrinkles, forming nodular appearance in old roots. Cross section showing large xylem which easily separated from the cortex; cortex quilled when the xylem is separated. Bitter and acrid in taste, warm in nature, and attributive to lung and liver channels.

1. Tranquilize the mind: For irritability, frightening, severe palpitation, insomnia, dreaminess and amnesia, used together with Dens Draconis, Poria and Cinnabaris.
2. Eliminate phlegm and wake up from unconsciousness: For obstruction of heart orifice by phlegm manifested as absent-mindedness,frightening, epilepsy, insanity and mania, usually used together with Alumen, Rhizowia Acori Graminei, Radix Curcumae; for productive cough with difficulty in expectoration, used together with Radix Platycodi and Radix Glycyrrhizae.
3. Dissipate the carbuncles and disperse the lumps: For skin infection, acute mastitis and breast nodules.

Pharmacological Action
1. Its expectorant effect is stronger than Radix Piatycodi.
2. Increasing the contractility and muscuhr tone of gravid or ungravid uteri in experimental animals.
3. Exerting a strong hemolytic effect in vitro.

Administration Decoction: 3-10g.


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Mr. Wang Tao

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