What is Qing Dai?

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Time of issue:

2023-03-31

What is Qing Dai?

Qing Dai, same as Indigo Naturalis and indigo powder, belongs to a botanical family that includes Baphicacanthus cusia, Polygonum tinctorium (Persicaria tinctoria), Isatis indigotica and Indigofera tinctoria. Qing Dai is light dried powder, easily fly-upward, extracted from Baphicacanthus cusia fermented leaves.

Qing Dai ( Chinese indigo) plant

Qing Dai Properties

Salty in flavor, cold in nature; it acts on the liver, lung and stomach channels. This herb can clear away heat,and detoxicate in the blood, cool blood and dissolve ecchymoses. Qing Dai is indicated for the syndromes of the warm and heat invasion of yin system and masculas and eruptions with high fever. Qing Dai is good at purging the liver-fire to arrest convulsion and curing infantile acute convulsion.

Qing Dai Dosage

1.5-3g. The drug is difficult to dissolve in water. It is proper to prepare it in forms of pills or powder for deglutition; appropriate amount for external use.

Proven traditional prescription for treating mumps: Indigo Naturalis powder mixed with vinegar into a paste for external application

Antimicrobial Effects of Indigo Naturalis

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