Synopsis

Source of validity: Traditional
Rating (out of 5): 3

Bletilla (Bletilla striata), also known as "Bai Ji" in traditional Chinese medicine (TCM), has a long-standing historical use for the treatment and support of external bleeding. In TCM, the tuber of Bletilla is commonly ground into a powder and applied topically to wounds, cuts, or bleeding ulcers to help stop bleeding and promote tissue healing. Ancient materia medica texts, such as the Shennong Bencao Jing and subsequent pharmacopoeias, describe its astringent and hemostatic properties, attributing its effects to its ability to "astringe" and "restrain" bleeding, particularly from traumatic injuries or skin lesions. Traditional uses also include the treatment of ulcers and burns due to its purported ability to promote flesh regeneration.

Modern pharmacological studies are limited but have indicated that Bletilla contains polysaccharides and other compounds that may contribute to wound healing and possibly hemostatic effects. However, the bulk of evidence supporting its use for external bleeding remains rooted in centuries of clinical tradition rather than robust scientific validation. As such, Bletilla continues to be recommended in TCM practice, but further rigorous clinical studies are needed to confirm efficacy and clarify mechanisms.

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