Bencao Gangmu Reference Library
秋枫 / 重阳木 / 茄冬 / 赤木 / 乌杨 / 督加木 — Bischofia javanica Blume (syn. Bischofia trifoliata, Andrachne trifoliata)
Pinyin: Qiūfēng / Chóngyángmù / Jiādōng · Malay: Pokok Tuai / Tuai / Bishop Wood / Java Cedar / Toog / Koka · Family: Phyllanthaceae / Euphorbiaceae (叶下珠科 / 重阳木属)
Energetics
Cool to Neutral (平 / 微凉 / 苦涩酸平)
Flavor
Bitter, astringent, subacid, slightly sweet (苦、涩、酸、微甘、平)
Meridians
Liver (肝), Lung (肺), Spleen (脾), Stomach (胃), Large Intestine (大肠)
Traditional Edict
Bishop Wood / Jiadong (Pokok Tuai / Qiu Feng / Chong Yang Mu / Jiadong). Massive 3-foliolate tree with red-water bark. Sovereign for Spleen-Qi Tonification & Ulcer Sealing: fresh leaves steamed in chicken (Jiadong Ji) restore postpartum maternal vitality, bark tea halts tonsillitis and gastric bleeding.
Cautions & Contraindications
- Astringent tannins may cause mild constipation if bark is taken in large doses (>30 g/day for >14 days). CONTRAINDICATED in severe bowel impaction. Fresh leaf culinary dishes are exceptionally safe.
Clinical Applications
- Acute suppurative tonsillitis and pharyngitis (mucosal erythema reduction via Betulinic acid and Ellagitannins), bleeding peptic gastric ulcers, chronic dysentery, and postpartum physical asthenia.
Quality Markers
Mechanism & Phytochemistry
1. Condensed tannins cross-link gastric surface glycoproteins to form a protective shield against acid. 2. Betulinic acid suppresses NF-kB and COX-2 (IC50=2.8 uM). 3. Antimicrobial.
Preparation & Dosage
THE ROYAL JIADONG CONVALESCENT TONIC CHICKEN (Jiadong Ji): 50 to 100 g fresh leaves stuffed inside a whole free-range chicken with ginger and sesame oil, steamed 2h (consumed during confinement). Tonsillitis gargle: 15 to 20 g dried bark boiled in 400 mL water. Decoction: 15-30 g.
Appended Prescriptions
- 1. The Sovereign Acute Purulent Tonsillitis Gargle with Lonicera japonica (Jin Yin Hua). 2. Peptic Ulcer Hemostasis & Astringent Draught with Bletilla striata (Bai Ji).
Yemama Apothecary · Petaling Jaya, Malaysia · For educational and clinical reference only
