HPTLC-direct bioautography-guided isolation of isogeranic acid as the main antibacterial constituent of Artemisia santonicum essential oil
2019
Аутори:
Stanković, JovanaNovaković, Miroslav
Tešević, Vele
Ćirić, Ana
Soković, Marina
Zdunić, Gordana
Dajić-Stevanović, Zora
Gođevac, Dejan
Тип документа:
Чланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт:
This study was performed to determine the main antibacterial compounds of the essential oil (ЕО) of saltmarsh plant Artemisia santonicum (Asteraceae). The combination of HPTLC and direct bioautography was used for the activity guided isolation of isogeranic acid as the main antibacterial constituent with remarkable antimicrobial activity, although it was the minor component of the EO, present only in 0.2 %, as calculated from GC/FID. Its structure was determined by 1D- and 2D-NMR and GC–MS techniques. Antibacterial activity of isogeranic acid against all tested bacteria was significantly higher than EO and even than both controls streptomycin and ampicillin. In further investigation of antibiofilm and antiquorum sensing activity EO exhibited the best inhibition of the biofilm formation at 1/8 minimal inhibitory concentration (MIC) and isogeranic acid at 1/2 MIC. Both EO and isogeranic acid possessed pyocyanin inhibitory activity showing the reduction of pigment at 60.6 and 62.8 %, respectively, at 1/2 MIC concentrations.
Кључне речи:
Antimicrobial activity; Direct bioautography; Antibiofilm; Antiquorum potentialИзвор:
Journal of the Serbian Chemical Society, 2019, 84, 12, 1355-1365Финансирање / пројекти:
- Биоактивни природни производи самониклих, гајених и јестивих биљака: одређивање структура и активности (RS-MESTD-Basic Research (BR or ON)-172053)
- Карактеризација и примена метаболита гљива и утврђивање потенцијала нових биофунгицида (RS-MESTD-Basic Research (BR or ON)-173032)
- Морфолошка, хемијска, фармаколошка и агрономска карактеризација панонског тимијана (Thymus pannonicus All., Lamiaceae), са циљем његове одрживе производње у интензивном систему ратарења (RS-MESTD-Technological Development (TD or TR)-31089)
DOI: 10.2298/jsc190513106s
ISSN: 0352-5139