Dyer's Woad
Isatis tinctoria
Isatis tinctoria, commonly known as woad or dyer's woad, traditionally has not been extensively used in medicinal practices. However, recent scientific studies have shown promising results. Research indicates that genetic factors from Isatis tinctoria may contribute to clubroot resistance in plants and enhance root rot defense mechanisms through plant defense responses. Additionally, rotating tobacco with woad can improve soil nutrient content, microbial diversity, and tobacco leaf quality, potentially increasing crop production value. Scientific evidence also suggests that compounds from Isatis tinctoria might have therapeutic potential for RSV pneumonia by enhancing pulmonary barrier integrity via AhR-mediated mechanisms; however, further research is required to confirm these findings. No significant safety concerns 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
- The study identified a major clubroot resistance locus on chromosome R5 of Raphanobrassica, which includes candidate genes like CRR5.5.11 from Isatis tinctoria.
- Chitosan-derived carbon dots significantly enhance root rot resistance in Isatis tinctoria by activating plant defense responses.
- IRA from Isatis tinctoria shows therapeutic potential in RSV pneumonia by enhancing pulmonary barrier integrity via AhR activation, though more research is needed.
- Tobacco-woad rotation increased soil nutrient content, microbial diversity, and tobacco leaf quality compared to monocultures.
Frequently asked questions
What is Dyer's Woad?
Dyer's Woad (Isatis tinctoria) 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 Dyer's Woad?
4 sourced findings are recorded for Dyer's Woad; the strongest carries evidence grade D. For example: The study identified a major clubroot resistance locus on chromosome R5 of Raphanobrassica, which includes candidate genes like CRR5.5.11 from Isatis tinctoria.
How strong is the evidence for Dyer's Woad?
The strongest finding for Dyer's Woad carries evidence grade D — preliminary or traditional. Grades run A (strongest) to D (preliminary or traditional).
Is Dyer's Woad safe? What are the side effects?
No major safety issues are recorded for Dyer's Woad in our sources, but the data may be incomplete. Consult a qualified professional before use.
Does Dyer's Woad interact with medications?
No drug interactions are recorded for Dyer's Woad in our sources. This does not rule them out — check with a pharmacist.
What are the common names of Dyer's Woad?
Dyer's Woad is also known as: Вайда красильная, Pastel des teinturiers.
Is Dyer's Woad 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 Rotation-driven changes in physicochemical properties modulate soil microbial diversity and community complexity in tobacco-woad soils. literature abstract metadata
- T2 Chitosan-Derived Carbon Dots Enhance Root Rot Resistance in Isatis Tinctoria L. by Enhancing Plant Defense Responses. literature abstract metadata
- T2 Synthetic Raphanobrassica Genome Reveals Functional and Evolutionary Insights Into Clubroot Resistance Genes on Chromosome R5. literature abstract metadata
- T2 Therapeutic potential of Isatidis Radix alkaloids in RSV pneumonia: A focus on AhR-mediated pulmonary barrier repair. literature abstract metadata