Yuan Zhi (Radix Polygalae)
Yuan Zhi (Radix Polygalae) is from the root of the perennial herbage Polygala tenuifolia Wild., or P. sibirica L., family Polygalaceae. The roots are dug and collected in the spring and autumn and then dried in the sun. They are used unprocessed or roasted.
Category: Shen (Spirit) Calming.
Common Name: Chinese Senega; Polygala Root.
Channels Entered: Lung and Heart.
Properties and Functions: Yuan Zhi is pungent and bitter in flavour, and slightly warm in nature. It acts to calm the mind, eliminate phlegm to clear the orificies and stop cough. It also helps to reduce abscesses and swellings.
Indications: It is used for:
- Irritability, insomnia, palpitation due to fright and poor memory.
- Emotional and mental disorientation, absentmindedness and epilepsy due to phlegm.
- Cough with excessive phlegm and that is hard to expectorate.
- Carbuncles, abscesses, boils and sores, and breast pain with swelling. It is used topically.
Dosage: 3 – 10g
Cautions and Contra-Indications: It is used with caution in patients who suffer from ulcers and gastritis. Use with caution during pregnancy.