Single Herb Glossary
Huáng Bǎi 黃柏
| Pharmaceutical name | Phellodendri Cortex Phellodendron chinense bark Amur cork-tree bark "yellow fir" | 
| Category | Clear Heat, Dry Dampness | 
| Key Properties | Directs Fire downward Clears Damp-Heat in Lower Jiao  | 
                    
| Properties | Bitter Cold  | 
                    
| Tropism | KD, UB(LJ) | 
| Actions & Indications | 1) Drains Damp Heat, particularly from Lower Burner 2) Drains Kidney Fire 3) Drains Fire & Resolves Fire Toxicity KD: urethra, vagina; steaming bone (Def Heat KD); Exc/Def  | 
                    
| Dosages | 3-12g | 
| Contraindications (TCM) | CI: Yang Def, Sp or KD Yang Def; Def and Cold of SP & ST; Yang Def | 
| Contraindications (Western) | |
| Chemical Composition | Berberine, palmatine, jatrorrhizine, α-phellodendrine, β-phellodendrine menisperine, candicine, magnoflorine, limonin, obacunone | 
| Pharmacological Effects | • Antibiotic: moderate antibiotic action against S. aureus, Diplococcus pneumoniae, Corynebacterium diphtheriae, Bacillus dysenteriae, β-hemolytic streptococcus, Diplococcus meningitidis, Vibrio cholerae, Bacillus anthracis, dermatophytes and leptospira; the leaves, Huang Bai Ye (Folium Phellodendri), have demonstrated antiviral effect against herpes virus • Antihypertensive: xylopinin, derived from phellodendrine, demonstrated marked effectiveness to lower blood pressure via its effect on the CNS • Antitussive and expectorant: essential oil demonstrated antitussive and expectorant effects  | 
                    
| 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.
