Bencao Gangmu Reference Library
虎尾兰 / 虎皮兰 / 千岁兰 / 虎舌兰 / 锦兰 — Sansevieria trifasciata Prain (syn. Dracaena trifasciata)
Pinyin: Hǔwěilán / Hǔpílán / Qiānsuìlán · Malay: Lidah Jin / Lidah Mertua / Pokok Pasu Ular · Family: Asparagaceae (天门冬科 / 龙舌兰科)
Energetics
Cool to Cold (微寒 / 凉)
Flavor
Bitter, acrid, bland, slightly cooling (苦、辛、淡、凉)
Meridians
Lung (肺), Liver (肝), Stomach (胃), Kidney (肾)
Traditional Edict
Snake Plant (Lidah Jin / Hu Wei Lan / Mother-in-Law's Tongue). Stiff sword leaves with tiger-band variegation. Infallible cure for acute otitis media (Sakit Telinga): warm leaf juice dropped into ear relieves earaches and purges pus; absorbs indoor toxins (NASA clean air).
Cautions & Contraindications
- Do not instill drops into ear if tympanic membrane (eardrum) is perforated. Saponin-rich sap can cause mild mouth tingling if chewed raw. High safety in external ear and indoor air use.
Clinical Applications
- Acute and chronic otitis media with otalgia and purulent otorrhea, indoor formaldehyde and VOC air purification, acute tracheobronchitis with yellow sputum, and snakebite wound poultices.
Quality Markers
Mechanism & Phytochemistry
1. Ruscogenin and steroidal saponins suppress neutrophil elastase and downregulate COX-2, dissipating tympanic mucosal inflammation. 2. Broad bactericidal lysis against Pseudomonas and S. aureus. 3. CAM nocturnal VOC absorption.
Preparation & Dosage
THE SOVEREIGN LIDAH JIN OTITIS MEDIA EAR DROPS: Singe a clean fresh leaf over gentle steam, express 2-3 drops of warm succulent juice directly into the affected ear canal twice daily for earache. Pulmonary cough decoction: 15-30 g dried leaves boiled in 500 mL water.
Appended Prescriptions
- 1. The Sovereign Otitis Media & Ear Pain Ear Drops with Centella asiatica (Pegaga juice). 2. Pulmonary Heat Cough Draught with Houttuynia cordata (Yu Xing Cao).
Yemama Apothecary · Petaling Jaya, Malaysia · For educational and clinical reference only
