Rhizoma Polygonati

 

Source
Rhizome of Polygonatum sibiricum Red., P cyrtonema Hua or the other species of the same genus, family Liliaceae.

Characteristics
P. sibiricum: Rhizome thick, fleshy, and tuber6us, looks like a chicken's head, usually several of them gathered together, 3-10 cm long. Surface dark-brown, nodes invisible, with little discoidal stem scan P. cyrtonema: Rhizome transverse, long, with short branching, ginger-like shape. Surface dark-brown, stem scars round and large. Prepared as irregular pieces. Both are sweet in taste, mild in nature, and attributive to lung, kidney and spleen channels.

Indication
1. Nourish yin and moisturize the lung: For dry cough with less sputum due to yin-deficiency with lung-dryness, and pulmonary tuberculosis with cough, hemoptysis and hectic fever.
2. Strengthen the middle-jiao and benefit vital energy: For yin and vital energy. deficiency of spleen and stomach manifested as poor appetite, fatigue, dry and uncoated tongue; deficiency of lung and spleen with susceptibility to common cold, or susceptibility to skin infection due to general debility.
3. Supplement essence and enrich blood: For insufficiency of essence and blood with dizziness and weakness of the loins and knees. Recently, also used for coronary disease, used together with Radix Paeoniae Rubra; for leukopenia, used together with Fructus Ziziphi Jujubae; and adolescent myopia or drug-induced deafness. External use for skin tinea.

Pharmacological Action
1. Promoting lymphocyte-blastogenesis.
2. Increasing coronary flow and myocardial contractility.
3. Lowering the level of blood lipids.
4. Inhibiting the growth of Bacillus tuberculosis and various kinds of fungi in vitro.

Administration Decoction: 10-30g.
External use: Appropriate amount.


   

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Mr. Wang Tao

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