HPLC-SPE-NMR Characterization of Major Metabolites in Salvia fruticosa Mill. Extract with Antifungal Potential: Relevance of Carnosic Acid, Carnosol, and Hispidulin

Plant pathogenic fungi are considered of significant economic importance for adversely affecting both quantitatively and qualitatively fresh and processed produce. Extracts of Salvia fruticosa were initially screened for their antifungal activity, and the ethyl acetate fraction, being the most activ...

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Veröffentlicht in:Journal of agricultural and food chemistry 2015-01, Vol.63 (2), p.457-463
Hauptverfasser: Exarchou, Vassiliki, Kanetis, Loukas, Charalambous, Zenovia, Apers, Sandra, Pieters, Luc, Gekas, Vassilis, Goulas, Vlasios
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container_issue 2
container_start_page 457
container_title Journal of agricultural and food chemistry
container_volume 63
creator Exarchou, Vassiliki
Kanetis, Loukas
Charalambous, Zenovia
Apers, Sandra
Pieters, Luc
Gekas, Vassilis
Goulas, Vlasios
description Plant pathogenic fungi are considered of significant economic importance for adversely affecting both quantitatively and qualitatively fresh and processed produce. Extracts of Salvia fruticosa were initially screened for their antifungal activity, and the ethyl acetate fraction, being the most active, was further analyzed using HPLC-SPE-NMR hyphenation. The methoxylated flavones hispidulin, salvigenin, and cirsimaritin and the diterpenes carnosic acid, carnosol, and 12-methoxycarnosic acid were identified as the major components of the extract. In addition, the concentration levels of all identified components were determined using q-NMR. The antifungal activity of the crude extract and selected phytochemicals was estimated against the fungal species Aspergillus tubingensis, Botrytis cinerea, and Penicillium digitatum. The estimated MIC and MFC values of the ethyl acetate extract of S. fruticosa, as well as three of its major constituents, carnosic acid, carnosol, and hispidulin, support their antifungal activity, especially against B. cinerea and P. digitatum, suggesting their potential use in food and agricultural systems.
doi_str_mv 10.1021/jf5050734
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source ACS Publications; MEDLINE
subjects Antifungal Agents - chemistry
Antifungal Agents - isolation & purification
Antifungal Agents - metabolism
Antifungal Agents - pharmacology
antifungal properties
Aspergillus tubingensis
Botrytis cinerea
Chromatography, High Pressure Liquid
Diterpenes, Abietane - chemistry
Diterpenes, Abietane - isolation & purification
Diterpenes, Abietane - metabolism
Diterpenes, Abietane - pharmacology
diterpenoids
ethyl acetate
flavones
Flavones - chemistry
Flavones - isolation & purification
Flavones - metabolism
Flavones - pharmacology
Fungi - drug effects
Magnetic Resonance Spectroscopy
metabolites
Penicillium digitatum
phytopharmaceuticals
Plant Extracts - chemistry
Plant Extracts - isolation & purification
Plant Extracts - metabolism
Plant Extracts - pharmacology
plant pathogenic fungi
Salvia - chemistry
Salvia - metabolism
Salvia fruticosa
title HPLC-SPE-NMR Characterization of Major Metabolites in Salvia fruticosa Mill. Extract with Antifungal Potential: Relevance of Carnosic Acid, Carnosol, and Hispidulin
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