Herb
Isatis Root (Ban lan gen)
板蓝根ban lan gen
1 sourceRadix Isatidis
Clears heat and resolves toxicity, cools the blood, and is recorded for epidemic heat, sore-toxin and rashes.
Source
Compendium of Materia Medica (Bencao Gangmu)卷十六·草部·蓝·蓝实·主治（《本经》·解诸毒）
References
- functions_en self-translated from 本草纲目 traditional_functions (public domain; the Chinese tf carries verbatim excerpt_hash citations). No modern work consulted.
- WHO IST-TCM terminology-aligned for the English rendering.
- public pharmacopoeia & botanical facts (public-domain reference facts; no proprietary modern source).
Traditional functions
Classical source text (Chinese) — English summary above.
传统中医记载：《本经》载蓝实解诸毒、杀蛊蚑疰鬼螫毒，久服头不白轻身；《别录》（蓝叶汁）杀百药毒、解狼毒射罔毒；大明（吴蓝）治天行热狂、丁疮、游风热毒、肿毒风疹、除烦止渴；李时珍谓诸蓝能解毒除热。
Nature, flavor & meridians
Nature & flavor: 苦，寒，无毒（《本经》蓝实；甄权谓甘）。
Citations
- Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 卷十六·草部·隰草类·蓝（《本经》上品）Cited from Compendium of Materia Medica (Bencao Gangmu) for its classification.
- Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 卷十六·草部·蓝·集解（俗称板蓝）Cited from Compendium of Materia Medica (Bencao Gangmu) for its alternate names.
- Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 卷十六·草部·蓝·蓝实·气味（《本经》）Cited from Compendium of Materia Medica (Bencao Gangmu) for its nature & flavor.
- Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 卷十六·草部·蓝·蓝实·主治（《本经》·解诸毒）Cited from Compendium of Materia Medica (Bencao Gangmu) for its traditional functions.
- Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 卷十六·草部·蓝·蓝叶汁·主治（《别录》·解百药毒）Cited from Compendium of Materia Medica (Bencao Gangmu) for its traditional functions.
- Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 卷十六·草部·蓝·吴蓝·主治（大明·天行热狂丁疮）Cited from Compendium of Materia Medica (Bencao Gangmu) for its traditional functions.
- Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 卷十六·草部·蓝·蓝实·气味（《本经》）Cited from Compendium of Materia Medica (Bencao Gangmu) for its safety notes.