Abstract
Components of 50% aqueous ethanol chamomile (Matricaria recutica L.) flower extract, previously found antibacterial in a TLC-bioautographic study, were separated and isolated by the use of on-line overpressured layer chromatography (OPLC). This system consisted of an OPLC 50 BS system, an on-line coupled flow-through UV detector, and a manual fraction collector. The collected fractions were investigated by GC-MS analysis and by TLC re-chromatography with subsequent visualization, performed after use of the vanillin-sulphuric acid reagent, or under UV illumination, or applying bioautographic detection. The main compounds of the collected 11 fractions were identified by GC-MS. The results showed that the antibacterial effect of 50% aqueous ethanol extract of chamomile is ascribable to cis-, trans-spiroethers, and the coumarins like herniarin and umbelliferone.
Keywords: Antibacterial activity, bioautography, chamomile, coumarins, GC-MS, Matricaria recutita L, OPLC, spiroethers, oils, Gram-positive bacteria
Medicinal Chemistry
Title: Separation and Identification of Antibacterial Chamomile Components Using OPLC, Bioautography and GC-MS
Volume: 8 Issue: 1
Author(s): Agnes M. Moricz, Szabolcs Szarka, Peter G. Ott, Eva B. Hethelyi, Eva Szoke and Erno Tyihak
Affiliation:
Keywords: Antibacterial activity, bioautography, chamomile, coumarins, GC-MS, Matricaria recutita L, OPLC, spiroethers, oils, Gram-positive bacteria
Abstract: Components of 50% aqueous ethanol chamomile (Matricaria recutica L.) flower extract, previously found antibacterial in a TLC-bioautographic study, were separated and isolated by the use of on-line overpressured layer chromatography (OPLC). This system consisted of an OPLC 50 BS system, an on-line coupled flow-through UV detector, and a manual fraction collector. The collected fractions were investigated by GC-MS analysis and by TLC re-chromatography with subsequent visualization, performed after use of the vanillin-sulphuric acid reagent, or under UV illumination, or applying bioautographic detection. The main compounds of the collected 11 fractions were identified by GC-MS. The results showed that the antibacterial effect of 50% aqueous ethanol extract of chamomile is ascribable to cis-, trans-spiroethers, and the coumarins like herniarin and umbelliferone.
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Cite this article as:
M. Moricz Agnes, Szarka Szabolcs, G. Ott Peter, B. Hethelyi Eva, Szoke Eva and Tyihak Erno, Separation and Identification of Antibacterial Chamomile Components Using OPLC, Bioautography and GC-MS, Medicinal Chemistry 2012; 8 (1) . https://dx.doi.org/10.2174/157340612799278487
DOI https://dx.doi.org/10.2174/157340612799278487 |
Print ISSN 1573-4064 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6638 |
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