Evening Primrose
Oenothera
Oenothera is a genus of flowering plants traditionally found in North America, Europe, and Asia. While there are various species within this genus, traditional uses for specific Oenothera species are not well-documented. Scientific evidence suggests that extracts from some species, such as Oenothera glazioviana, exhibit potential antioxidant, antimicrobial, enzyme inhibitory, and anticancer activities. Additionally, the oil from Oenothera biennis seeds demonstrates strong antioxidant properties and selective antimicrobial activity against certain bacteria; however, further in vivo studies are needed to confirm these findings. In a more specific study involving 5xFAD transgenic mice, evening primrose leaf extract was observed to improve cognitive performance and reduce neuroinflammation. The complete chloroplast genome of Oenothera drummondii has been sequenced, contributing to the understanding of its evolutionary history within the genus. Safety concerns are minimal based on current data; no major 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
- Oenothera glazioviana extracts showed varying degrees of antioxidant, antimicrobial, enzyme inhibitory, and anticancer activities.
- The oil from Oenothera biennis seeds showed strong antioxidant capacity and selective antimicrobial activity against certain bacteria, but further in vivo studies are required.
- Oral administration of evening primrose leaf extract improved cognitive performance and reduced neuroinflammation in 5xFAD transgenic mice.
- The study reports the complete chloroplast genome of Oenothera drummondii and conducts comparative analysis with other Oenothera species, revealing evolutionary insights within Clade A and B.
Frequently asked questions
What is Evening Primrose?
Evening Primrose (Oenothera) 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 Evening Primrose?
4 sourced findings are recorded for Evening Primrose; the strongest carries evidence grade D. For example: Oenothera glazioviana extracts showed varying degrees of antioxidant, antimicrobial, enzyme inhibitory, and anticancer activities.
How strong is the evidence for Evening Primrose?
The strongest finding for Evening Primrose carries evidence grade D — preliminary or traditional. Grades run A (strongest) to D (preliminary or traditional).
Is Evening Primrose safe? What are the side effects?
No major safety issues are recorded for Evening Primrose in our sources, but the data may be incomplete. Consult a qualified professional before use.
Does Evening Primrose interact with medications?
No drug interactions are recorded for Evening Primrose in our sources. This does not rule them out — check with a pharmacist.
What are the common names of Evening Primrose?
Evening Primrose is also known as: Ослинник, Œnothère.
Is Evening Primrose 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 Sequence dynamics and plastome evolution: decoding the complete chloroplast genome of Oenothera drummondii and comparative analysis within Oenothera (Onagraceae). literature abstract metadata
- T2 Phytochemical Analysis of Lipid Composition and Biological Activities in the Seeds of Evening Primrose from Bulgaria. literature abstract metadata
- T2 Unveiling the bioactive potential and chemical profiling of Oenothera glazioviana extracts: chromatographic, spectrophotometric, and in silico approaches. literature abstract metadata
- T2 Oral administration of evening primrose leaf extract improves cognitive impairment in 5xFAD transgenic mice. literature abstract metadata