The Essential Oil and Polyphenols ofSideritis hyssopifoliavarpyrenaica.

Abstract
From Sideritis hyssopifolia L. var. pyrenaica Briq., isoscutellarein-7-0-(2″-0-6″′-0-acetyl-β-D-allosyl-β-D-glucoside), isoscutellarein-7-(β-D-al-losyl-β-D-glucoside), and chlorogenic acid were isolated and identified. The essential oil of this plant, which was examined by GC/MS, was found to contain twenty-nine constituents with β-caryophyllene (14.7%), α-pinene (11.6%) and α-phellandrene (10.6%) being the major components.