Isatis leaf (Da Qing Ye)

Indication for Isatis leaf

• chronic myeloid leukemia (CML)
• digestive or intestinal infection
• peptic ulcer
• diphtheria
• erysipelas
• psoriasis
• epilepsy
• alveolitis
• icteric hepatitis
• herpes simplex type 2 (genital herpes)
• herpes zoster (shingles)
• influenza
• keratitis, inflammation of the cornea, the most frequent cause of which is infectious (viral, bacterial or fungal)
• meningococcus B
• meningococcal meningitis
• streptococcus pneumoniae
• streptococcus A (can cause scarlet fever, impetigo, rheumatic fever; erysipelas; angina)
• moraxella catarrhalis
• epidemic encephalitis B
• coronavirus-related severe acute respiratory syndrome
• staphylococcus aureus
• bacillus coli (escherichia coli)
• diphtheria bacillus
• typhoid fever
• hemorrhagic fever
• otitis
• angina
• chronic pharyngitis
• mouth ulcer
• taste

In addition to the antiviral, antibacterial and anti-inflammatory actions mentioned above, the leaves of isatis :

1. Strengthens the immune system (enhances the phagocytic activity of macrophages in the abdomen, improves the capacity of the protein lysozyme, and improves lymphocyte transformation and splenocyte capacity).
2. Anti-cancer effect (thanks to its high indirubin content, the main substance contained in the isatis leaf)

For childhood illnesses

• chickenpox
• measles with pneumonia
• mumps
• sinus infection in children

Instructions for use and dosage

Infusion

• Place 6g of leaf in a tall cup. Pour simmering spring water over it and fill the mug to 90% (between 200 and 250ml approx.). Cover the mug and leave to infuse for 10 minutes.

Decoction

• For a stronger effect than infusion, make a decoction. Place 6g to 15g of leaves in a stainless steel saucepan. Pour in 250ml of spring or filtered water and cover with a lid. Heat over high heat until it boils completely, then turn off and leave to infuse for 3 minutes in the pan. Drink the decoction.

The dosage range must be respected

Contraindication

– People with cold hands and noses, weak digestion, diarrhea or loose stools.
– Do not drink if pregnant or breast-feeding.