Polygala tenuifolia
Polygala tenuifolia
Polygala tenuifolia, also known as Yuan Zhi or Chinese skullcap, is traditionally used in East Asian medicine, particularly within TCM. It has been employed for various conditions including insomnia and anxiety. Scientific evidence suggests that compounds from Polygala tenuifolia, such as OE (Oleoside) and PTX (Polygalasaponin), may improve memory by modulating gut microbiota and related metabolic pathways in mice. However, the findings are preliminary, with methodological limitations affecting the specificity of these results. The study also indicates potential mechanisms for managing aging-related insomnia through neuroinflammation and Wnt signaling pathway modulation. No major safety concerns or recorded drug interactions have been identified to date.
- Best evidence
- A
- Cautions
- —
Informational only. Traditional use does not mean proven effectiveness. Evidence and safety vary — check the cited sources.
What the science says
- OE from Polygala tenuifolia improved memory in mice by modulating gut microbiota and related metabolic pathways.
- PTX disrupts Glu-GABA balance in the LHb leading to mood alterations and mediates ALDH2 inactivation causing myocardial cell damage.
- The study found that while traditional Chinese medicine (TCM) showed potential for treating Alzheimer's disease, methodological limitations constrained the specificity of findings.
- The study identified potential mechanisms for Polygala tenuifolia in managing aging-related insomnia through neuroinflammation and Wnt signaling pathway modulation.
Frequently asked questions
What is Polygala tenuifolia?
Polygala tenuifolia (Polygala tenuifolia) is a plant documented in FolkKB's traditional-medicine reference, drawn from sourced literature and cross-checked against the evidence.
What does the scientific evidence say about Polygala tenuifolia?
4 sourced findings are recorded for Polygala tenuifolia; the strongest carries evidence grade A. For example: OE from Polygala tenuifolia improved memory in mice by modulating gut microbiota and related metabolic pathways.
How strong is the evidence for Polygala tenuifolia?
The strongest finding for Polygala tenuifolia carries evidence grade A — strong evidence. Grades run A (strongest) to D (preliminary or traditional).
Is Polygala tenuifolia safe? What are the side effects?
No major safety issues are recorded for Polygala tenuifolia in our sources, but the data may be incomplete. Consult a qualified professional before use.
Does Polygala tenuifolia interact with medications?
No drug interactions are recorded for Polygala tenuifolia in our sources. This does not rule them out — check with a pharmacist.
Is Polygala tenuifolia a proven treatment?
No. FolkKB is informational only. Traditional use and early findings are not proof of efficacy or safety — consult a qualified professional and never self-treat.
Sources
- T2 Evaluating the clinical evidence of TCM in Alzheimer's disease: an evidence map perspective. literature abstract metadata
- T2 Bioinformatics analysis of the mechanisms and efficacy of the Bushen Anzhi recipe in treating aging-related insomnia. literature abstract metadata
- T2 Unveiling the 'Eating Poison' of Polygala tenuifolia xylem: Mood changes and myocardial injury. literature abstract metadata
- T2 Polygala oligosaccharide esters improve memory disorder by restoring gut microbiota homeostasis through the regulation of the "gut-brain" axis. literature abstract metadata