Da Dou (Huang) Juan大豆

Semen Sojae GerminatumBlack Soybean Sprout

Also known asSemen Glycines Germinatum

Actions & indications

Releases the Exterior and clears Damp-Heat (clears Summerheat): Edema and warm-damp disease with sweating
Invigorates Qi and Blood and reduces water distention: Damp-Heat Bi with cramping of the sinews and knee pain
Raises Yang Qi and opens the channels and collaterals: Damp-arthralgia

This is the dried sprout of the black soybean as it first emerges.
It can clear Blood Stasis from the channels, treating Damp Bi marked by cramping, spasms or edema with abdominal fullness.
Clear Water Bean Curls Qing Shui Dou Juan — the water in which the beans were sprouted — is best suited to cooling and clearing Damp-Heat.
Large Yellow Bean Curls Da Huang Dou Juan, decocted together with Rx. Ephedrae Ma Huang, is warming and has a stronger tendency to promote sweating and release the Exterior.