Crude drug sample data base
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Crude drug name | Market name | 紅芽大戟 |
|---|---|---|
| Formal name | 紅芽大戟 | |
| Japanese name | こうがたいげき, Kōgataigeki | |
| Vernacular name | Hongyadaji | |
| Latin name | Knoxiae Radix (CP) | |
| English name | Knoxia Root (CP) | |
| Original plant name | Knoxia valerianoides Thorel et Pitard | |
| Family name | Rubiaceae | |
| Used part | Classification | Plant origin | Sub classification | root |
| Collection information | Hong Kong, Wing Tai Hong Medicine Co.,Ltd. | |
| Collection date | 1974/12/25 | |
| Collector | Tsuneo Namba | |
| TMPW No. | 45 | |
Scientific information data base
| Common name | 紅芽大戟, Hongyadaji, Knoxiae Radix (CP), Knoxia Root (CP) | |||||
|---|---|---|---|---|---|---|
| Synonyms | 紅大戟, 大戟 | |||||
| crude drug image |
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| Original plant name | Knoxia valerianoides Thorel ex Pitard | |||||
| Family name | Rubiaceae | |||||
| Used part | root | |||||
| Official compendium | CP (2025 ed.) | |||||
| Clinical application | It is used as a detoxifying, anti-ulcer, and purgative agent, and is applied to edema, chest fullness, retained fluid (phlegm-fluid retention), abdominal masses, and suppurative swellings and sores. | |||||
| Medical system | Traditional Chinese medicine | |||||
| Drug effect in traditional medicine | Traditional classification | Purgatives for removing water retention | ||||
| Beneficial effect | [Property and Flavor] Cold; bitter; slightly toxic. [Meridian Tropism] Lung, spleen and kidney meridians. [Actions] To expel retained fluid by purgation, disperse swelling and dissipate binds. [Indications] Edema distention and fullness, hydrothorax and ascites, phlegm-fluid retention, aggregation and accumulation, cough and panting caused by qi counterflow, inhibited of defecation and urination, swelling abscess, sore and toxin, scrofula and phlegm nodule. | |||||
| Chemical constituent | Anthraquinones (*C1): アントラキノン誘導体/Anthraquinone derivatives | |||||
| Pharmacological effect | Not exactly known. | |||||
| DNA sequence | AJ288631 | |||||
| Classical reference (Chinese Herbal Classic "Zhenglei bencao") |  ※Click this image to see the actual image | |||||
| Disease | Ascites, Edema, Oliguria, Constipation, Pleural effusion, Pain due to flatulence of hypochondrium, Pyogenic dermatosis, Cervical lymphadenopathy, Subcutaneous nodule | |||||
| Formulation | rarely used in formula | |||||
| Related drugs | Jingdaji: the root of Euphorbia pekinensis Rupr. of family Euphorbiaceae, Caodaji: the root of Lespedeza sp. of family Leguminosae | |||||
| References | CP: Pharmacopoeia of the People's Republic of China 2025 edi. C1)The Encyclopedia of Wakan-Yaku with Color Pictures Vol. I, p 14-15. | |||||
| Remarks | At present, three species of Daji (大戟) are distributed in China, Hongyadaji (紅芽大戟) of family Rubiaceae, Caodaji (草大戟) of family Leguminosae and Jingdaji (京大戟) of family Euphorbiaceae. Though each plant belongs to a different family, they are all called Daji. By nature, the real Daji described in materia medicas is Jingdaji. However, only Hongyadaji is imported to Japan at present. Jingdaji: the root of Euphorbia pekinensis Rupr. of family Euphorbiaceae. Once, it was used in Jiangsu Prov., Shanghai city and a part of Anwhei Province. In an area of Jiangsu Prov., the root of Indigofera sp. of family Leguminosae is used as Caodaji. | |||||
| Last renewal date | 2026/05/21 | |||||
