Bencao Gangmu Reference Library
黄麻 / 白黄麻 / 圆果黄麻 / 麻皮 / 络麻 / 黄麻子 — Corchorus capsularis L.
Pinyin: Huángmá / Báihuángmá / Yuánguǒ Huángmá · Malay: Jute / Pokok Jute / Rami Jute / White Jute / Round-Pod Jute / Tossa Jute / Semen Corchori · Family: Malvaceae / Tiliaceae (锦葵科 / 椴树科 / 黄麻属)
Energetics
Cool to Cold, Intensely Bitter (微寒 / 大苦微寒强心)
Flavor
Intensely bitter, mucilaginous, slightly sweetish (大苦、极苦、微甘、微寒、气微香滑利)
Meridians
Heart (心), Lung (肺), Bladder (膀胱), Spleen (脾)
Traditional Edict
White Jute / Round-Pod Jute (Jute / Huang Ma / Bai Huang Ma / Semen Corchori). Tall bast-fiber herb with globose wrinkled capsules. Sovereign for Congestive Cardiac Edema & Asthma ('Botanical Strophanthin'): seeds yield Corchoroside A, a rapid-acting inotrope that strengthens failing heart contractility and drains dropsy.
Cautions & Contraindications
- BLACK BOX CARDIOTOXICITY WARNING: Jute seeds contain potent cardenolides (Corchoroside A); ingestion of raw seeds causes digitalis-like vomiting, AV block, and arrhythmias. STRICTLY MEDICAL MICRO-DOSING. CONTRAINDICATED IN PREGNANCY.
Clinical Applications
- Congestive heart failure (CHF) and cardiac edema (myocardial Na+/K+-ATPase inotropism and stroke volume surge via Corchoroside A >= 0.40%), bronchial asthma with thick sputum, and functional gastric dyspepsia.
Quality Markers
Mechanism & Phytochemistry
1. Corchoroside A acts as a rapid-acting, low-cumulative cardiac glycoside, inhibiting myocardial Na+/K+-ATPase to surge intracellular calcium and inotropy. 2. Leaf mucilage soothes bronchial mucosa.
Preparation & Dosage
TRADITIONAL LEAF DECOCTION (DEMULCENT DIURETIC): 10 to 15 g dried leaves boiled in 500 mL water for 15 min (clears phlegm and promotes urination). PURIFIED CORCHOROSIDE A (PHARMACEUTICAL IV/ORAL): Administered strictly under specialized cardiological oversight. SEEDS ARE HIGHLY TOXIC; NEVER OVERDOSE.
Appended Prescriptions
- 1. The Sovereign Cardiac Inotropic & Dropsy Drainage Draught (Huang Ma Li Shui Yin) with Poria (Fu Ling) and Alisma. 2. Bronchial Asthma Phlegm Liquefying Tisane with Morus alba (Sang Bai Pi).
Yemama Apothecary · Petaling Jaya, Malaysia · For educational and clinical reference only
