Prepared Soybean (Dan Dou Chi) is a fermented form of soybean used in Traditional Chinese Medicine (TCM) to release the exterior and relieve irritability. Gentle and balanced, this herb is often chosen for mild colds or to harmonize the effects of stronger herbs in a formula. Depending on its preparation, it can address either wind-cold or wind-heat patterns.
Key Information:
✔ Pharmaceutical Latin: Semen Sojae Praeparatum
✔ Common Names: Prepared Soybean, Fermented Soybean, Dan Dou Chi
✔ Chinese Pinyin: 淡豆豉 (Dan Dou Chi)
✔ TCM Nature: Acrid, Slightly Bitter, Cold or Warm (based on preparation)
✔ TCM Channels Entered: Lung, Stomach
Benefits:
🌬 Releases the Exterior – Gently expels wind and helps relieve mild symptoms like chills, fever, and headache.
🧘 Relieves Irritability – Calms restlessness and mood disturbance, especially after a febrile illness.
🌿 Harmonizes Herbs – Often used to balance formulas and reduce harsh effects of other herbs.
🔥 Flexible Temperature Use – When prepared with black soybeans, it is warming; with yellow soybeans, it is cooling.
Consultation & Usage:
Dan Dou Chi is commonly used in decoctions or ground into powder. It pairs well with herbs like Bo He (Mint) or Jing Jie (Schizonepeta) for early-stage wind invasions. Consult a qualified practitioner for the proper preparation method and dosage based on your pattern.