This medicinal is the dried rhizome of PolygonatuKingianum Coll. et Hemsl.and P.sibiricaum Red. or P.cyrtonema Hua (Fam. Liliaceae). It is excavated in spring and autumn. After being washed clean, it is slightly scalded in boilig water or it is fully steamed, and then dried to be sliced into thick segments for utilization.
[ Medicinal Properties ]: Sweet, neutral; relate to spleen, lung and kidney meridians.
[ Medicinal Efficacies ]: Tonify qi and nourish yin; invigorate the spleen; moisten the lung; reinforce the kidney.
[ CLinical Applications ]: 1. Lung yin deficiency with interior dryness It treats dry cough with little sputum, chronic and consumptive cough due to deficiency of lung-kidney yin. In order to treat dry cough with little sputum, due to damage of both lung yin and lung qi, it is combined with Shashen and Chuanbeimu. In treating chronic and consumptive cough, due to deficiency of lung-kidney yin, it is processed into paste, with or without Shudihuang and Baibu.
2. Spleen deficiency syndrome with yin consumption To treat sallow complexion, lassitude, lack of strength, dry mouth, anorexia, dry stools, due to spleen deficiency of both qi and yin, it is used by itself or in combination with Dangshen, Fling and Baizhu.
3. Deficiency of kidney essence It is used to treat dizziness, soreness and weakness in the lummbar region and knees, and early graying of hair. By itself, it is decocted into paste, as in Huangjing Concentrated Decoction or used in Combination with Gouqizi and Heshouwu.
[ Usage and Dosage ]: 9-15g.
黄精为百合科植物黄精Polygonatum sibiricum Red.、滇黄精P.kingianum Coll.et Hemsl.或多花黄精P.cy, it rtonema Hua的根茎。黄精主产于河北、内蒙古、陕西;滇黄精主产于云南、贵州、广西. ;多花黄精主产于贵州、湖南、云南等地。春秋二季采挖,洗净,置沸水中略烫或蒸至透心,干燥,切厚片用。