ANTIMIKROBNA AKTIVNOST FRAKCIJA I EKSTRAKTA PODZEMNIH DELOVA BILJNE VRSTE GENTIANA ASCLEPIADEA L. SA ANALIZOM MOLEKULARNOG DOKINGA

  • Miloš Jovanović Institut za proučavanje lekovitog bilja "Dr Josif Pančić"
  • Jelena Matejić Univerzitet u Nišu, Medicinski fakultet, Katedra za farmaciju, Niš, Srbija
  • Dušanka Kitić Univerzitet u Nišu, Medicinski fakultet, Katedra za farmaciju, Niš, Srbija
  • Tatjana Mihajilov-Krstev Univerzitet u Nišu, Prirodno-matematički fakultet, Departman za biologiju i ekologiju, Niš, Srbija
  • Nemanja Kitić Univerzitet u Nišu, Medicinski fakultet, Srbija
  • Katarina Šavikin Institut za proučavanje lekovitog bilja “Dr Josif Pančić”, Beograd, Srbija
  • Milica Milutinović Univerzitet u Nišu, Medicinski fakultet, Katedra za farmaciju, Niš, Srbija
Ključne reči: Gentiana asclepiadea, antimikrobna aktivnost, ekstrakti, frakcije, molekularni doking

Sažetak


Trava od žutice (Gentiana asclepiadea L.) je vredan izvor sekoiridoida, i C-glikoziliranih flavona i ksantona koja se u tradicionalnoj medicini upotrebljava za lečenje bolesti jetre i gastrointestinalnog trakta. Cilj ovog istraživanja bio je ispitati antimikrobnu aktivnost vodeno-etanolnog ekstrakta podzemnih delova trave od žutice i njegovih frakcija (petrol etarske, etil acetatane, butanolne i vodene). Takođe je sprovedena analiza molekularnog vezivanja. Antimikrobna aktivnost na patogene gastrointestinalnog trakta testirana je mikrodilucionom metodom. Generalno, najbolju aktivnost je ispoljila etil acetatna frakcija. Najniža minimalna inhibitorna koncentracija od 0,78 mg/ml zabeležena je kod soja Bacillus cereus od strane petroletarske frakcije, odnosno Staphylococcus aureusod strane etilacetatne frakcije. Najbolja baktericidna aktivnost (minimalna baktericidna koncentracija od 0,78 mg/ml) ostvarena je etil acetatnom frakcijom na soj Enterococcus faecalis. Candida albicans je bila najotpornija na dejstvo ispitivanog ekstrakta i njegovih frakcija. Analizom molekulskog vezivanja utvrđeno je da C-glikozilirani flavoni izoorijentin i izoviteksin pokazuju najveći afinitet vezivanja prema Enterococcus faecalis lipoat-protein ligazi A. Na osnovu rezultata sprovedenog istraživanja može se zaključiti da bi podzemni delovi trave od žutice mogli biti vredan izvor sekundarnih metabolita sa obećavajućom antimikrobnom aktivnošću.

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Objavljeno
2022/04/12
Rubrika
Originalni rad