Synopsis

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

Centaury (Centaurium erythraea) has a long history of use in traditional European herbal medicine, particularly for digestive complaints such as indigestion, loss of appetite, and bloating. Traditional herbalists have valued Centaury for its bitter principles, which are believed to stimulate gastric secretions and promote better digestion. The herb was included in various classical formulations for stomach ailments, as noted in texts dating back to ancient Greece and the Middle Ages.

Despite its established traditional use, modern scientific validation is limited. Some phytochemical studies confirm the presence of bitter secoiridoids (such as gentiopicroside and swertiamarin), which may theoretically stimulate digestive function through the so-called "bitter reflex." However, clinical trials specifically evaluating Centaury's efficacy for indigestion in humans are lacking or of low quality. Most evidence remains anecdotal or based on historical usage rather than rigorous scientific research.

In summary, while Centaury is widely used in traditional medicine for indigestion and there is a plausible mechanism of action based on its bitter compounds, the scientific evidence supporting its effectiveness is weak. Therefore, its use is justified primarily by tradition, with only low-level scientific support.

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