Knautia arvensis (family Dipsacaceae) is usually found in grasslands of Europe, but can also be found in some parts of Africa and Asia, usually in dry meadows, pastures, dry hills, and open woods. The chemical composition of this species is relatively unknown. The aim of this study was to give a
A new C-6 flavone glycoside (6), together with seven known compounds, cryptochlorogenic acid (1), chlorogenic acid (2), 2-O-trans-caffeoylhydrocitric acid (3), isovitexin 7-beta-D-glucopyranoside (4), 7,4'-dihydroxy-5-methoxyflavone-6-C-beta-D-glucopyranoside (5), 3,5-O-dicaffeoylquinic acid (7) and