Secondary Metabolites from Phlomis syriaca and Their Antioxidant Activities

Authors

Ü. ŞEBNEM HARPUT
İHSAN ÇALIŞ
İCLAL SARACOĞLU
ALİ ARSLAN DÖNMEZ
AKITO NAGATSU

Abstract

An iridoid glucoside, lamiide (1); 4 phenylethanoid glycosides, acteoside (2), \beta-OH acteoside (3), leucosceptoside A (4) and samioside (5); a caffeic acid ester, chlorogenic acid (6); 2 flavone glucosides, luteolin-7-O-glucopyranoside (7) and chrysoeriol-7-O-glucopyranoside (8); and a flavanone aglycone, naringenin (9), were isolated from the aerial parts of Phlomis syriaca. The structures of the isolated compounds were elucidated by means of spectroscopic (UV, IR, 1D- and 2D-NMR, and FAB-MS) methods. Free radical scavenging activity of the isolated compounds was determined using the radical 2,2-diphenyl-1-picrylhydrazyl (DPPH), spectroscopically.

DOI

-

Keywords

Phlomis syriaca, Lamiaceae, Iridoid glucosides, Phenylethanoid glycosides, Flavonoids, Free radical scavenging activity, DPPH

First Page

383

Last Page

390

Recommended Citation

HARPUT, Ü. Ş, ÇALIŞ, İ, SARACOĞLU, İ, DÖNMEZ, A. A, & NAGATSU, A (2006). Secondary Metabolites from Phlomis syriaca and Their Antioxidant Activities. Turkish Journal of Chemistry 30 (3): 383-390. https://doi.org/-