Synopsis

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

Mentha haplocalyx, commonly known as Chinese mint or field mint, has a long history of use in Traditional Chinese Medicine (TCM). It is known as "Bo He" and is frequently cited in classical herbal texts as a remedy to "regulate Qi," "dispel wind-heat," and "harmonize the stomach." Specifically, Mentha haplocalyx is traditionally used to address symptoms such as belching, distension, and indigestion, which are often considered manifestations of disrupted Qi flow in TCM theory. The essential oils and volatile components found in Mentha species are thought to have mild carminative effects, helping to relieve gastrointestinal discomfort and support digestion.

While there is some scientific evidence that peppermint oil (from Mentha piperita, a related species) can reduce symptoms of indigestion and bloating, direct clinical studies on Mentha haplocalyx for belching are lacking. Most of the evidence supporting its use for belching is thus rooted in centuries of traditional practice rather than rigorous scientific validation. In summary, Mentha haplocalyx is justified for use in treating belching based on traditional usage, but scientific evidence is limited and indirect, so the strength of recommendation is modest.

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