Evidence supporting the use of: Flesh-Finger Citron
For the health condition: Belching

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Synopsis

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

Flesh-Finger Citron (Citrus medica var. sarcodactylis), commonly known as Buddha's hand, has a long history of use in Traditional Chinese Medicine (TCM) for digestive complaints, including belching (also known as "eructation"). In TCM, Flesh-Finger Citron is classified as a qi-regulating herb and is traditionally used to soothe the liver, regulate qi (vital energy), and relieve symptoms such as bloating, poor appetite, and excessive belching. The fruit is believed to have aromatic compounds that help to "move qi" in the stomach and intestines, thereby addressing stagnation that may cause belching. Historical TCM texts, such as the "Compendium of Materia Medica" (Bencao Gangmu), document its use for these purposes.

While modern pharmacological studies on Flesh-Finger Citron are limited, some research has identified the presence of volatile oils and flavonoids in the fruit, which are thought to have mild digestive and carminative effects. However, robust clinical trials confirming its efficacy for belching in a biomedical context are lacking. The evidence for its use is therefore rooted primarily in traditional practice rather than scientific validation. Overall, the traditional application of Flesh-Finger Citron for belching is well documented within TCM, but high-quality modern evidence remains limited.

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