Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Chen pi (dried tangerine peel) has a long history of use in Traditional Chinese Medicine (TCM), primarily for regulating qi (energy flow), resolving phlegm, and supporting digestive function. Its application for edema is grounded in traditional theory rather than modern scientific validation. In TCM, edema is often attributed to dysfunction of the spleen and lungs, leading to impaired fluid metabolism. Chen pi is believed to “dry dampness” and “strengthen the spleen,” thus helping the body manage and distribute fluids properly, which may, in theory, alleviate mild cases of fluid retention or edema. There are references in classical TCM texts that include chen pi in herbal formulas intended to address symptoms of swelling and fluid accumulation, especially when these are associated with digestive complaints such as bloating or poor appetite.

However, clinical evidence from modern biomedical research supporting chen pi’s efficacy for treating edema specifically is limited. Most pharmacological studies focus on its anti-inflammatory, antioxidant, and digestive benefits rather than direct effects on fluid retention. Thus, its use for edema remains primarily a traditional practice, with only anecdotal or theoretical support rather than robust clinical evidence. As such, while chen pi is historically included in formulas for edema within TCM, this use is not corroborated by substantial scientific research, meriting a low evidence rating.

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