L belongs to the family of Umbelliferae (Apiaceae), and known also as common wild cumin. The aerial parts of were collected at the flowering stage and dried, then the methanolic extract was analyzed for polyphenol compounds identified by HPLC-DAD and antioxidant activity (DPPH(2,2-diphenyl-1-picrylhydrazyl) radical scavenging assay). It was found that the predominant phenolic constituents were chlorogenic acid, hesperidin, rosmarinic acid, hesperetin and vanillin. The antioxidant activity of methanolic extract from . was found 1597 μg/mL in DPPH scavenging assay. There is no strict positive relationship between the polyphenolic content and antioxidant activity of extracts.
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