Radix Paeoniae Alba

 

Source
Root of Paeonia lactifiora Pall., family Ranunculaceae.

Characteristics
Root terete, flattened at both ends, 5-18 cm long, 1-2 cm in diameter. Surface reddish brown when the cork removed, with knife-cutting marks. Prepared as transversecutting pieces, cut surface even, nearly white or slightly brown, with marked annular lines and radial vascular bundles. Bitter and sour in taste , slightly cold in nature, and attributive to liver channeL

Indication
1. Nourish blood and astringe yin: For yin-deficiency and blood-deficiency manifested as menoxenia, menaigia, leucorrhagia and metrorrhagia, usually used together with Radix Rehmanniae and Radix Angelicae Sinensis; for night sweat due to yin-deficiency and spontaneous perspiration due to low body resistance and imbalance between ying-energy and wei-energy, used together with Ramulus Cinnamomi; for muscular spasm and pain of extremities due to blood deficiency, usually used together with Radix Glycyrrhizae; for rheumatism due to insufficiency of yin-blood.
2. Calm liver yang: For deficiency of yin leading to hyperactivity of yang and sthenia of liver-yang manifested as dizziness, headache, irritability and insomnia; also for c6nvulsion of wind-syndrome resulting from sthenic liver-yang, severe heat, yin-deficiency or blood-deficiency.
3. Soothe the liver and alleviate pain: For abnormal rising of liver energy or dominant liver energy attacking stomach manifested as pain in the chest and abdomen.

Pharmacological Action
1. Dilating the coronary artery and blood vessels of hind legs in dogs.
2. Lowering blood pressure transiently.
3: Inhibiting the intestines in rabbits in vitro.
4. Its component paeoniflorin inhibits the central nervous system.

Administration Decoction: 6-15g.


   

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Mr. Wang Tao

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herb@damo-qigong.net
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