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Journals / Turkish Journal of Chemistry / 2006 / Cilt: 30 - Sayı: 3

Secondary Metabolites from Phlomis syriaca and Their Antioxidant Activities

Ü. Şebnem HARPUT
İhsan ÇALIŞ
İclal SARACOĞLU
Ali A. DÖNMEZ
Akito NAGATSU
Pages
383–390
Publication Date
2006-03-01
DOI
—
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

Free radical scavenging activity of the isolated compounds was determined using the radical 2,2-diphenyl-1-picrylhydrazyl (DPPH), spectroscopically.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:An iridoid glucoside, lamiide (1); 4 phenylethanoid glycosides, acteoside (2), b-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.
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Key Findings & Data:The structures of the isolated compounds were elucidated by means of spectroscopic (UV, IR, 1D- and 2D-NMR, and FAB-MS) methods.
💡
Conclusion & Impact:Free radical scavenging activity of the isolated compounds was determined using the radical 2,2-diphenyl-1-picrylhydrazyl (DPPH), spectroscopically.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Phlomis syriaca · Lamiaceae · Iridoid glucosides

Abstract

An iridoid glucoside, lamiide (1); 4 phenylethanoid glycosides, acteoside (2), b-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.

Özet

An iridoid glucoside, lamiide (1); 4 phenylethanoid glycosides, acteoside (2), b-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.

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Cite This Article

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, Cilt: 30 - Sayı: 3, 383–390. https://ajindex.com/articles/218010

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