Phytochemical characterization of potential nutraceutical ingredients from Evening Primrose oil (Oenothera biennis L.)

- The present study was aimed at analyzing the nutraceutical ingredients of EPO.
- EPO is one of the richest natural products in phytosterols.
- Linoleic and γ-linolenic were the most abundance fatty acids.
- The phenolic content of EPO reported that ferulic acid was the major component.
- EPO can be considered an interesting source of substances of nutraceutical value.