Prepared White Mulberry Root Bark … Classic Formulas

Zhi Sang Bai Pi · Cortex Mori Radicis Praeparata

Primary Actions

  • Clears Lung Heat and directs rebellious Lung Qi downward ... prepared Sang Bai Pi remains a cough and wheezing herb for hot, constrained, or dry-irritative Lung patterns.
  • Promotes urination and reduces edema ... it is used when Lung Heat or upper-burner congestion is tied to impaired water movement and swelling.
  • Moderates the sharper coldness of raw Sang Bai Pi ... the prepared bark is generally framed as a gentler, slightly more middle-friendly dispensing form when repeated dosing is needed.

Classic Formulas

  • Xie Bai San ... classic Lung-heat wheezing formula centered on Sang Bai Pi.
  • Ding Chuan Tang ... Sang Bai Pi commonly supports descending Lung Qi and calming wheeze.
  • Modified cough and edema prescriptions ... prepared Sang Bai Pi is often selected when a milder processed bark is preferred.

Classical Text References

  • Materia medica texts describe Sang Bai Pi as entering the Lung to drain Heat and calm panting or cough.
  • Traditional use also includes promoting urination to relieve edema, especially when Heat or congestion is part of the presentation.
  • Prepared forms are used to soften the raw bark's colder edge without changing its essential downward Lung direction.