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Qín Pí 秦皮

Pharmaceutical name Fraxini Cortex Fraxinus rhynchophylla bark Korean ash bark, ash bark
Category Clear Heat, Dry Dampness
Key Properties Cools heat
Drains dampness
Benefits the eyes
Binds the Intestines
Properties Bitter
Cold Astringent
Tropism GB, LI, LV, ST
Actions & Indications 1) Clears Heat, Resolves Toxicity & Drains Dampness
2) Drains Liver Fire & Benefits the Eyes
3) Disperses Wind-Dampness
4) Calms Wheezing & Stops Coughs
Upper Jiao: eyes, wheeze, cough (LU Heat)
Lower Jiao: dysentery, leucorrhea, astringent/bind
Dosages 6-12g
Contraindications (TCM) Caution with Deficiency and Cold of the Sp/St
Contraindications (Western)
Chemical Composition Coumarin (aesculin, aesculetin, fraxin, fraxetin, fraximol, fraxidin, isofraxidin, cichorin ), tannin
Pharmacological Effects • Antibiotic: inhibitory action against S. aureus, Bacillus dysenteriae, E. coli, Neisseria catarrhalis, and α-hemolytic streptococcus
• Respiratory: aesculetin and fraxin demonstrated marked antitussive, expectorant, and antiasthmatic effects in animals
• Anti-inflammatory: eesculin demonstrated definite anti-inflammatory influence, possibly through increased secretion of corticosteroids from adrenal glands
• Others: sedative, analgesic, antiseizure, and diuretic effects
Herb-Drug Interactions
Classical Formula(s)

Bai Tou Weng Jia Gan Cao E Jiao Tang (Pulsatilla Decoction plus Licorice and Ass-Hide Gelatin) 白頭翁加甘草阿膠湯

Bai Tou Weng Tang (Pulsatilla decoction) 白頭翁湯



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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.