Natural materials are complicated compositions; therefore, a rapid screening of the active antioxidants is being challenged in the literature. Different polarity solvents were applied to isolate four fractions (F1, F2, F3 ...

Feverfew (Tanacetum parthenium L. Schultz Bip.) has a lot of secondary metabolites, such as phenols, essential oils and sesquiterpene lactones (parthenolide) which have high value in chemotaxonomy and medicine. This study ...