Botanical species · safety record
Oenothera biennis
The EFSA Compendium of Botanicals holds 1 constituent measurement and 2 adverse-effect records for Oenothera biennis. This page reports what those source records contain and how to reach them. It carries no effect estimate, no dose and no recommendation.
Accepted name in source: Oenothera biennis L.
Regulatory presence
Health Canada's Licensed Natural Health Products Database holds 631 licensed products naming Oenothera biennis as a medicinal ingredient, matched on the exact Latin binomial. A licence records that a product met the regulator's requirements for sale in Canada. It is not evidence that the product works.
Extract types on licence
Source material stated
What the records describe
Constituents measured
- Ellagitannins (hydrolysable tannins)1
Plant parts
- Live plants1
- Seed1
- Unspecified1
Preparations
- Solvent extraction2
- Essential oil (as part-nature)1
Effect types
- Digestive1
- Hemopoietic1
Target tissues
- Blood coagulation1
- Digestive1
Recorded constituents
What analytical work has found in this species, at which plant part and preparation. A measured constituent is a fact about material, not about effect.
| Substance | Plant part | Preparation | Concentration | Analytical method | Source |
|---|---|---|---|---|---|
| Ellagitannins (hydrolysable tannins) | Live plants | Solvent extraction | — | HPLC-DAD | Resolve DOI |
Recorded adverse effects
Adverse effects reported in the source literature, most often in animal or laboratory models at a stated preparation and dose.
| Effect | Target tissue | Plant part | Preparation | Test organism | Test type | Source |
|---|---|---|---|---|---|---|
| Digestive | Digestive | Seed | Solvent extraction | — | In vitro | No resolvable identifier |
| Hemopoietic | Blood coagulation | Unspecified | Essential oil (as part-nature) | — | Case report | No resolvable identifier |
Cited sources
The literature the compendium cites for this species. Metatron Health has no relationship with these authors or journals and earns nothing from citing them.
- Jacobsson, Ingela., Joensson, Anna K., Gerden, Barbro., Haegg, Staffan. Spontaneously reported adverse reactions in association with complementary and alternative medicine substances in Sweden. Pharmacoepidemiology and drug safety, 2009, p. 1039-1047.
- Aitani, M., Kimura, H., Abiru, Y., Soyama, H., Murakami, H., Zhang, HL., Sugishita, T., Konishi, Y. Effect of an extract from evening-primrose seeds on postprandial blood glucose level and its active components . Journal of the japanese society for food science and technology-nippon shokuhin kagaku kogaku kaishi, 2003, vol. 50, no. 4, p. 180-187.
- Karonen, Maarit., Parker, John., Agrawal, Anurag., Salminen, Juha-Pekka. First evidence of hexameric and heptameric ellagitannins in plants detected by liquid chromatography/electrospray ionisation mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY, 2010, vol. 24, no. 21, p. 3151-3156. DOI
Boundary
A constituent measurement is a fact about material at a stated preparation, not a statement about what that material does in a person. An adverse-effect or genotoxicity record is an observation reported in a source, most often in an animal or laboratory model. Neither is a Metatron Health conclusion about causality, human risk or benefit, and the absence of a record is not proof that a preparation is safe. Nothing here is diagnosis, prescribing or individual medical care.
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