Evidence supporting the use of: Sichuan Pagoda Tree
For the health condition: Pneumonia

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Synopsis

Source of validity: Traditional
Rating (out of 5): 1

The Sichuan Pagoda Tree, also known as Styphnolobium japonicum or Huai Hua in traditional Chinese medicine (TCM), has a longstanding history of medicinal use, particularly for its hemostatic and anti-inflammatory properties. In the context of pneumonia, its use is primarily rooted in traditional practices rather than robust scientific validation. According to TCM theory, extracts from the flower or buds of the Sichuan Pagoda Tree are sometimes included in herbal formulas intended to "clear heat" and "cool the blood," which, in TCM diagnostic language, can be associated with febrile or inflammatory conditions like pneumonia. However, the historical texts and pharmacopeias reference its role more frequently for gastrointestinal bleeding, hemorrhoids, and hypertension, rather than direct treatment of pneumonia.

Modern research on Styphnolobium japonicum focuses on its flavonoids (e.g., rutin, quercetin) and their antioxidative and anti-inflammatory effects. While these properties could theoretically offer some benefit in inflammatory lung conditions, direct evidence supporting its efficacy in treating pneumonia—especially in rigorous clinical settings—is lacking. There are no well-conducted human clinical trials demonstrating benefit for pneumonia specifically. Thus, the evidence supporting its use for pneumonia is primarily traditional, with minimal scientific validation, and rated as 1 out of 5.

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