Individual Herbs Notebook

Chen Pi

Pharmaceutical: Pericarpium Citri Reticulatae
Taxonomy: Citrus spp.

Other names: Aged Tangerine Peel

Category: Herbs that Regulate Qi



Properties: Pungent, bitter, warm

Meridans Entered:
Primary: Spleen and Lung
Extraordinary Vessels: Ren


Traditional Actions/Indications:
  1. Regulates Qi, adjusts the Middle and relieves the diaphragm
    Spleen/Stomach Qi Stagnation with epigastric or abdominal distention, fullness, bloating, belching, nausea and vomiting
    Relieves the symptoms of Gu Sydnrome while suppressing parasites (Fruehauf, 1998)
    Chronic inflammatory disease (Fruehauf, 2015)
  2. Dries Dampness and transforms Phlegm
    Phlegm-Damp Obstructs the Lung with coughing, a stifling sensation in the chest and/or diaphragm and copious, viscous sputum
    Turbid Damp Obstructs the Middle with a stifling sensation in the chest, abdominal distention, anorexia, fatigue, loose stools and a thick, greasy tongue coat
  3. Helps prevent Stagnation from tonic herbs
    Tonic herbs causing Stagnation
  4. Descends Qi
    Qi Rebellion
  5. Aids fasting
    Mentioned in the Shen Nong Ben Cao Jing as part of the superior class of herbs which can, with protracted taking, remove foul breath, precipitate the Qi, and enable one to communicate with spirits. This may suggest it was part of supplementing the diet when engaging in an "avoiding grain" (Bigu 辟穀) fasting regime to cultivate life (Yangsheng 養生).

Suggested Daily Dosage: 3-10g in decoction.


Notable Constituents:
Appears in 145 formulae listed on this site: (click to display)
Research Links & References: (click to display)