White Mulberry Root Bark … Classic Formulas
Sang Bai Pi · Cortex Mori
Primary Actions
- Drains Lung heat and directs rebellious Lung qi downward ... raw Sang Bai Pi is a classic herb for cough, panting, wheezing, and thick hot sputum.
- Promotes urination and reduces edema ... it is used when upper-burner heat or Lung obstruction interferes with water movement and swelling develops.
- Keeps the colder, more direct raw-bark lane ... compared with prepared bark, this form is understood as less moderated and more clearly heat-draining.
Classic Formulas
- Xie Bai San ... the defining Lung-heat wheezing formula centered on Sang Bai Pi.
- Ding Chuan Tang ... common formula context when descending Lung qi and calming wheeze are both treatment priorities.
- Modified cough and edema prescriptions ... raw Sang Bai Pi is often chosen when stronger heat-clearing is preferred over the gentler prepared bark.
Classical Text References
- Materia medica texts describe Sang Bai Pi as entering the Lung to drain heat, calm wheezing, and promote urination for edema.
- Traditional teaching also distinguishes raw from prepared bark, with the raw form retaining a colder and more direct heat-clearing profile.