Dioscorea Rhizome
|
TMPW No.：18383 |
| Synonym | |
| Latin name | Dioscoreae Rhizoma |
| Botanical source: Family name | Dioscoreaceae |
| Botanical source: Plant name | - Dioscorea japonica Thunberg (IPNI:927492-1) - Dioscorea batatas Decaisne (IPNI:317698-1) |
| Part used | Rhizome (rhizophore) |
| Empirical criteria for quality selection | Good one is dense, white and smooth. It has no insect damage. (TN) |
| Constituents | Polysaccharides: Glucoprotein, Starch, Mannan Sterols: Amino acids: Arginine, Phenylalanine, Valine, Isoleucine, Leucine, Lysine Simple nitrogen containing compounds: Choline Other nitrogen compounds: Allantoin |
| Pharmacological effects | Unknown |
| Indications | As a tonic, antidiarrheal, for relieving thirst, it is applied to treat weakness of spleen and stomach, anorexia, fatigue, inflammation of the intestines, nocturnal enuresis and night sweat. |
| Diseases | Anorexia, Lack of energy, Muddy and watery stool, Full stomach, Enterocolitis, Thirst, Spermatorrhea, Frequent urination, Bed-wetting, Night sweats, Leukorrhea |
| Formulas | keikangan , keihito , kogikujiogan , goshajinkigan , jinryobyakujutsusan , chibakujiogan , hachimijiogan , mibakujiogan , rokumigan |
| Meridian tropism | Spleen, Lung |
| Property | Slightly warm |
| Flavor | Sweet |
| Classification in "Shen-non Ben-cao Jing" | Superior |
| TCM: Classification | Tonics |
| TCM: Medicinal effects | To replenish the spleen and stomach, to promote fluid secretion and benefit the lung, and to strengthen the kidney and restrain seminal discharge. For anorexia and chronic diarrhea due to diminished function of the spleen, cough and dyspnea due to diminished function of lung, seminal emission, excessive leukorrhea, frequent urination and diabetes due to deficiency condition of the kidney. |
| Remarks | Listed in the Japanese Pharmacopoeia 18th ed. |
| References | TN: T. Namba & Y. Tsuda ed., Outline of Pharmacognosy, a Textbook, 3rd ed., Nankodo Co., Ltd., Tokyo, 1998. |
