Asian Knotweed
Reynoutria japonica
Reynoutria japonica, also known as Japanese knotweed, is a plant traditionally used in East Asian medicine. It has been employed for various purposes such as treating rheumatism and digestive issues, though specific traditional uses vary across different cultures. Scientific evidence suggests that compounds from Reynoutria japonica, particularly emodin, may have anti-cancer properties by inhibiting cervical cancer cell proliferation. Additionally, polydatin extracted from the plant exhibits significant antioxidant activity and can reduce UV-induced cellular senescence damage. Under UVC radiation, biochemical modifications in the plant include shifts in carbohydrate, protein, and lipid content, as well as enhanced phenolic compound synthesis. No major safety issues or drug interactions have been recorded for this plant.
- Best evidence
- D
- Cautions
- —
Informational only. Traditional use does not mean proven effectiveness. Evidence and safety vary — check the cited sources.
What the science says
- This study describes Parasarocladium yichunense, a new species found on Reynoutria japonica leaves.
- Emodin from Reynoutria japonica suppresses cervical cancer cell proliferation by modulating histone marks and disrupting phospholipid metabolism.
- This study optimized extraction and purification of polydatin from Reynoutria japonica, showing significant antioxidant activity and reducing UV-induced cellular senescence damage.
- Reynoutria japonica showed biochemical modifications including shifts in carbohydrate, protein, and lipid content, and enhanced phenolic compound synthesis under UVC radiation.
Frequently asked questions
What is Asian Knotweed?
Asian Knotweed (Reynoutria japonica) 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 Asian Knotweed?
4 sourced findings are recorded for Asian Knotweed; the strongest carries evidence grade D. For example: This study describes Parasarocladium yichunense, a new species found on Reynoutria japonica leaves.
How strong is the evidence for Asian Knotweed?
The strongest finding for Asian Knotweed carries evidence grade D — preliminary or traditional. Grades run A (strongest) to D (preliminary or traditional).
Is Asian Knotweed safe? What are the side effects?
No major safety issues are recorded for Asian Knotweed in our sources, but the data may be incomplete. Consult a qualified professional before use.
Does Asian Knotweed interact with medications?
No drug interactions are recorded for Asian Knotweed in our sources. This does not rule them out — check with a pharmacist.
What are the common names of Asian Knotweed?
Asian Knotweed is also known as: Renouée du Japon.
Is Asian Knotweed 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 UVC light-induced metabolic modifications at the level of the plant cells and tissue determined by FTIR and Raman spectralomics. literature abstract metadata
- T2 Emodin exerts antitumor effects in cervical cancer cells by reprogramming phospholipid metabolism through modulation of H3K27ac and H3K27me3. literature abstract metadata
- T2 Study on the extraction, purification and anti-ageing activity of polydatin in Reynoutria japonica Houtt. literature abstract metadata
- T2 Parasarocladium yichunense, a new species of Hypocreales in China. literature abstract metadata