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Isolation and Characterization of Methylated Flavones from Artemisia kermanensis
Zeinab Yazdiniapour1, Afsaneh Yegdaneh1, Soudeh Akbari1
1Department of Pharmacognosy, Isfahan University of Medical Sciences, Isfahan, Iran.
Background:
Artemisia kermanensis Podl. is a green aromatic perennial shrub that belongs to the family Asteraceae and it grows widely in central deserts and south-eastern mountains of Iran such as Taftan Mountain in Sistan and Baluchestan Province. Artemisia species have been used traditionally as a remedy for various feverous diseases, including malaria, treatment of colds, infections, parasites, inflammations of the liver, as well as dyspepsia, diabetes, hypertension, and so many other conditions.
Materials And Methods:
Air-dried A. kermanensis extraction from all parts of the plant was done using different organic solvents. The methanolic extract was selected for isolation of flavonoids, using thin-layer chromatography. The chemical structures of the isolated compounds were determined based on analysis of mass and nuclear magnetic resonance spectra.
Results:
Two flavone aglycones were isolated and identified for the first time from this plant's methanolic extract, including 5,7-dihydroxy-3',4',6-trimethoxyflavone (eupatilin) and 5,7,3'-Trihydroxy-6,4',5'-trimethoxyflavone.
Conclusions:
Eupatilin is known for its anticancer, antioxidant, and anti-inflammatory activities. In future researches on A. kermanensis, as a rich source of these flavone compounds, it is wise to investigate for the proven eupatilin's biological activities that have been mentioned.
