Isatis, Woad, Da Qing Ye, Ban Lan Gen
Isatis, Woad
Root: Isatis Radix: Ban Lan Gen, 板蓝根
Leaf: Isatis Folium: Da Qing Ye, 大青叶
Isatis tinctoria
(Atlas des plantes de France. 1891)
Persicaria tinctoria
(Photo by Udo Schröter) (Wikimedia)
Isatis Ban Lan Gen root
(Adam, 2025)
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Botanical name:
Isatis indigotica (syn. I. tinctoria)
The Leaf (Da Qing Ye) may be obtained from:
1. Isatis tinctoria (syn. I. indigotica)
2. Geum aleppicum
3. Persicaria tinctoria (syn. Polygonum tinctorium)
4. Pteracanthus alatus
See also Indigo, the extracted pigment from this and other plants
Parts used:
Root; Leaf
Temperature & Taste:
Cold, dry. Bitter
Classification:
Uses:
1. Clears Heat and Toxin (Leaf; Root):
-Epidemic and Infectious diseases (TCM, West)
-acute Sore Throat, Tonsillitis, Diphtheria; also Heat-toxin affecting the Lungs (TCM, West)
-acute bacterial and viral infections, especially of the Lungs and Throat; Pneumonia
-Heat-Toxin Rashes; Mumps, Measles, Scarlet Fever
-Meningitis, Encephalitis
–Ban Lan Gen is widely available in Chinese pharmacies for acute infections and epidemic diseases, especially with acute sore Throat.
2. Clears Liver Heat and Damp:
-Damp-Heat Jaundice (Root)
-Hepatitis; Cholecystitis (Leaf)
3. Externally:
-in Europe to stop Bleeding’
-spreading and foul Ulcers, and Herpes (Dioscorides)
-Ulcers, Malignant Tumors (India)
-topically for inflammations
Main Combinations:
ROOT:
1. Acute Sore Throat, Tonsillitis, Diphtheria, Isatis Radix Da Qing Ye or Isatis Ban Lan Gen with … available in PRO version
2. Influenza Isatis Radix Ban Lan Gen with … available in PRO version
3. Fever, Isatis Folium Da Qing Ye or Isatis Radix Ban Lan Gen with … available in PRO version
4. Mumps:
i. Isatis Radix Ban Lan Gen with … available in PRO version
ii. Isatis Radix Ban Lan Gen with … available in PRO version
iii. to protect from Mumps, Isatis Radix Ban Lan Gen with … available in PRO version
5. Acute Heat diseases affecting the Head, Isatis Radix Ban Lan Gen with … available in PRO version
6. Damp-Heat Jaundice, Isatis Radix Ban Lan Gen with … available in PRO version
7. Cirrhosis of the Liver, Isatis Radix Ban Lan Gen with … available in PRO version
8. Conjunctivitis:
i. Isatis Radix Ban Lan Gen with … available in PRO version
ii. Isatis Radix Ban Lan Gen with … available in PRO version
LEAF:
1. Jaundice from Heat, Isatis Folium Da Qing Ye with … available in PRO version
2. Hepatitis:
i. Isatis Folium Da Qing Ye with … available in PRO version
ii. Isatis Folium Da Qing Ye with … available in PRO version
3. To prevent Meningitis and Encephalitis, decoct Isatis Folium Da Qing Ye … available in PRO version
4. Epidemic Eruptions, Isatis Folium Da Qing Ye with … available in PRO version
5. Measles, Isatis Folium Da Qing Ye with … available in PRO version
6. Epidemic High Fever, Isatis Folium Da Qing Ye with … available in PRO version
Cautions:
Generally Safe.
1. Not used in cold and weakness of the Stomach
