Fatty acid composition, total phenolic and total flavonoid contents, and antioxidant activity of Niger seed (Guizotia abyssinica) accessions collected from major producer areas of Ethiopia.

Background: Oils from various sources are vital nutritional components with a variety of roles in our body. Niger seed (Guzoita abyssinica) is endemic to Ethiopia and is among the major oil seed crops grown in the country. The fatty acid composition and the concentration of other bioactive phytochemicals in it vary with species type, geographical origin, cultivation season, and varietal types.