Bencao Gangmu Reference Library
蔊菜 / 野油菜 / 辣米菜 / 塘葛菜 / 蔊菜草 / 鹅甜菜 — Rorippa indica (L.) Hiern (syn. Nasturtium indicum)
Pinyin: Hǎncài / Yě Yóucài / Tánggěcài · Malay: Sawi Tanah / Sawi Padang / Tang Ge Cai · Family: Brassicaceae (十字花科)
Energetics
Cool to Neutral (平 / 微凉)
Flavor
Pungent, slightly bitter, crisp mustard-radish peppery (辛、苦、清凉、微辣)
Meridians
Lung (肺), Liver (肝), Stomach (胃), Urinary Bladder (膀胱)
Traditional Edict
Indian Fieldcress (Sawi Tanah / Han Cai / Tang Ge Cai). Pungent mustard cress with yellow flowers. Lingnan soup sovereign (Tang Ge Cai Bao Sheng Yu Tang): powerfully liquefies stubborn bronchial phlegm, cures chronic bronchitis, drains hepatitis jaundice.
Cautions & Contraindications
- Mild peppery mustard bite. High culinary, dietary, and clinical safety profile with centuries of daily Cantonese soup use. Contraindicated in cold watery diarrhea without heat signs.
Clinical Applications
- Chronic bronchitis and asthmatic tracheitis with thick yellow sputum, acute icteric viral hepatitis (reducing transaminases and bilirubin), functional dyspepsia, and acute tonsillitis.
Quality Markers
Mechanism & Phytochemistry
1. Rorifone stimulates respiratory tract serous gland secretion, breaking down disulfide mucin bonds to liquefy tenacious bronchial phlegm. 2. AITC stimulates hepatobiliary bile drainage. 3. Broad-spectrum bactericidal lysis.
Preparation & Dosage
THE SOVEREIGN TANG GE CAI LUNG-CLEARING SNAKEHEAD FISH SOUP: 150 to 200 g fresh Sawi Tanah simmered with fresh Snakehead fish (Ikan Haruan), red dates, and ginger in 1.5 L water for 40 min; consumed warm for chronic cough. Dried herb decoction: 15-30 g.
Appended Prescriptions
- 1. Classical Lingnan Tang Ge Cai Lung-Clearing Soup with Ikan Haruan and Chen Pi. 2. Icteric Hepatitis Jaundice Clearance Decoction with Phyllanthus niruri (Dukung Anak).
Yemama Apothecary · Petaling Jaya, Malaysia · For educational and clinical reference only
