This product is the rhizome of the perennial herbaceous plant Solomonseal Rhizome (Polygonatum sibiricum Delarb ex Redoute), Yunnan Solomonseal Rhizome (Polygonatum kingianum Collett et Hemsl.), or Many-flowered Solomonseal Rhizome (Polygonatum cyrtonema Hua) of the Lily Bulb family. Solomonseal Rhizome is mainly produced in Hebei, Inner Mongolia, and Shaanxi; Yunnan Solomonseal Rhizome is mainly produced in Yunnan, Guizhou, and Guangxi; Many-flowered Solomonseal Rhizome is mainly produced in Guizhou, Hunan, Anhui, and Zhejiang. It is harvested in spring and autumn, washed, briefly scalded in boiling water or steamed until thoroughly cooked, and then dried. It is used in thick slices either raw or processed with wine.

bubble_chart Properties and Meridians

Sweet, neutral. Act on spleen, lung and kidney meridians.

bubble_chart Efficacy

Nourishing the kidneys and moistening the lungs, tonifying the spleen and replenishing qi.

bubble_chart Indications

1. Used for yin deficiency with lung dryness, dry cough with scanty phlegm, and lung-kidney yin deficiency with chronic cough disease. It nourishes kidney yin and moistens lung dryness. For treating yin deficiency with lung dryness cough, it can be used alone by boiling into a paste, or combined with Tendrilleaf Fritillary Bulb, Anemarrhena, etc.; for treating chronic cough disease, it can be combined with Rehmannia, Asparagus Root, stemona root, etc.
2. Used for spleen-stomach weakness. It tonifies spleen yin and benefits spleen qi. For spleen-stomach qi deficiency with fatigue, lack of strength, poor appetite, and weak pulse, it can be combined with Tangshen, White Atractylodes Rhizome, etc.; for spleen-stomach yin deficiency with dry mouth, reduced appetite, tasteless food, red tongue without coating, it can be combined with Dendrobium, Ophiopogon Tuber, Chinese Yam, etc.
3. Used for kidney deficiency with essence depletion, dizziness, soreness and weakness of the waist and knees, premature graying of hair, and consumptive thirst. For treating kidney deficiency with essence depletion, it is often combined with Barbary Wolfberry Fruit, etc.; for treating consumptive thirst, it is often combined with Unprocessed Rehmannia Root, Ophiopogon Tuber, Snakegourd Root, etc.

bubble_chart Documentation

1. Bencao Gangmu: "Tonifies various deficiencies, ... replenishes essence and marrow."
2. Bencaozheng Yi: "Sweet in taste and thick in texture, quite similar to Prepared Rehmannia Root, ... its specialty lies in tonifying blood, tonifying yin, and nourishing the spleen and stomach."

bubble_chart Usage and Dosage

10-20 grams. 30-60 grams when fresh. Decoct and take orally.

bubble_chart Modern Pharmacology

Solomonseal Rhizome contains mucilage, starch, and sugars. The capsule fibers of Solomonseal Rhizome contain azetidine carboxylic acid, Asparagus Root amino acid, homoserine, Rehmannia glycosides, and various anthraquinone compounds. This product has functions such as enhancing immunity, anti-aging, hypoxia resistance, anti-fatigue, boosting metabolism, lowering blood sugar, and strengthening the heart. It also has inhibitory effects on various bacteria and skin fungi.