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)

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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:
B. Clear Heat and Toxin

Uses:
1. Clears Heat and Toxin (Leaf; Root):
-Epidemic and Infectious diseases

2. Clears Liver Heat and Damp:
-Damp-Heat Jaundice (Root)

3. Externally:
-topically for inflammations


Dose:
Powder of the Leaf or Root: 2–3 grams

Comment:
... available in PRO version

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

Main Preparations used: