Evidence supporting the use of: Javanese Long Pepper
For the health condition: Belching

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Synopsis

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

Javanese Long Pepper (Piper retrofractum), also known as Indonesian long pepper, has a long history of use in traditional medicine systems such as Ayurveda and Jamu (Indonesian herbal medicine). In these traditions, it is often used to address various digestive complaints, including belching (eructation), flatulence, indigestion, and loss of appetite. The rationale for its use is largely based on its pungency and carminative properties—substances with carminative action are believed to help expel gas from the digestive tract and relieve bloating and belching. Historical texts and ethnobotanical reports describe the use of long pepper fruits or preparations as a remedy for digestive disturbances, but specific clinical trials or modern pharmacological studies directly evaluating its efficacy against belching are lacking. Some in vitro and animal studies have suggested that long pepper may enhance gastrointestinal motility and stimulate digestive enzymes, potentially supporting its traditional use for digestive issues. However, there is insufficient direct scientific evidence to confirm its effectiveness for belching specifically. Overall, the use of Javanese Long Pepper for belching is justified mainly by traditional knowledge, with some weak pharmacological rationale but minimal direct clinical validation.

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