Single Herb Glossary
Guàn Zhòng 貫眾
| Pharmaceutical name | Cyrtomii Rhizoma Cyrtomium (fortunei) |
| Category | Expel Parasites |
| Key Properties | Clears heat and resolves toxicity, cools the blood and dispels stasis, expels parasites |
| Properties | Bitter, astringent, cold |
| Tropism | LV, LU, LI |
| Actions & Indications | |
| Dosages | 6-9g |
| Contraindications (TCM) | should not be taken during pregnancy, and over dosage should be avoided |
| Contraindications (Western) | |
| Chemical Composition | Filmarone, dryocrassin, filic acids, flavaspidic acids, fibaspidins, aspidinol, filicinic acid, ferene, diploptene, diplopterol |
| Pharmacological Effects | • Antiparasitic: filmarone has marked antiparasitic effect against tapeworm; in in vitro studies, preparation of Guan Zhong effective against roundworms in pigs; decoction effective against liver flukes • Antibiotic: mild to moderate inhibitory action against Bacillus dysenteriae, Salmonella typhi, E. coli, Pseudomonas aeruginosa, Diplococcus meningitidis, and S. aureus; strong inhibiting influence on influenza virus, adenovirus, encephalitis B, and herpes simplex virus; also has antineoplastic effect • Uterine stimulant: decoction associated with contraction of uterus; increases both frequency and strength of uterine contractions in rabbits; similar characteristics observed in use of alcohol extract |
| Herb-Drug Interactions | |
| Classical Formula(s) |
This information is a reference tool for Chinese herbal studies. It is not intended to replace professional medical advice. Please consult a primary health professional if you require health advisory.