Drug Eyebright
Euphrasia stricta
Euphrasia stricta is a plant traditionally associated with European herbal medicine, particularly in regions such as the British Isles and parts of Europe. It has not been widely documented for specific traditional uses; however, it is known to be susceptible to Scots pine blister rust (Cronartium flaccidum) under laboratory conditions. Studies have shown that Euphrasia stricta contains significant amounts of phenolic acids such as 5-O-caffeoylquinic acid, p-coumaric acid, protocatechuic acid, and salicylic acid, which contribute to its potential antioxidant, antimicrobial, and antiproliferative activities. In terms of ecological management, moderate organic fertilization has been found to maintain species richness and diversity in oligotrophic Nardus stricta grasslands, while high inputs can lead to floristic simplification. Safety-wise, no major issues have been recorded for Euphrasia stricta; however, due to the lack of extensive research, caution should still be exercised. There are currently no reported drug interactions with 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
- Euphrasia stricta was found to be susceptible to Scots pine blister rust (Cronartium flaccidum) under laboratory conditions.
- Euphrasia stricta contains the largest amounts of phenolic acids such as 5-O-caffeoylquinic, p-coumaric, protocatechuic, and salicylic acid.
- The study found that extracts from E. officinalis subsp. pratensis and E. stricta showed antioxidant, antimicrobial, and antiproliferative activities.
- Moderate organic fertilization maintained species richness and diversity, while high inputs led to floristic simplification in oligotrophic Nardus stricta grasslands.
Frequently asked questions
What is Drug Eyebright?
Drug Eyebright (Euphrasia stricta) 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 Drug Eyebright?
4 sourced findings are recorded for Drug Eyebright; the strongest carries evidence grade D. For example: Euphrasia stricta was found to be susceptible to Scots pine blister rust (Cronartium flaccidum) under laboratory conditions.
How strong is the evidence for Drug Eyebright?
The strongest finding for Drug Eyebright carries evidence grade D — preliminary or traditional. Grades run A (strongest) to D (preliminary or traditional).
Is Drug Eyebright safe? What are the side effects?
No major safety issues are recorded for Drug Eyebright in our sources, but the data may be incomplete. Consult a qualified professional before use.
Does Drug Eyebright interact with medications?
No drug interactions are recorded for Drug Eyebright in our sources. This does not rule them out — check with a pharmacist.
What are the common names of Drug Eyebright?
Drug Eyebright is also known as: Очанка прямая, Euphraise dressee.
Is Drug Eyebright 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 New alternate hosts for Cronartium spp.: Odontites, Euphrasia, Rhinanthus and Papaver literature abstract metadata
- T2 Phenolic acids as chemotaxonomic markers able to differentiate the Euphrasia species. literature abstract metadata
- T2 Revealing the Phenolic Composition and the Antioxidant, Antimicrobial and Antiproliferative Activities of Two Euphrasia sp. Extracts. literature abstract metadata
- T2 The Effect of Fertilization on Floristic Composition and Biodiversity of Montane Grasslands (HNV) in the Eastern Carpathians. literature abstract metadata