Chemical analysis and antimicrobial activity of methanol extracts of celandine (Chelidonium majus L.) plants growing in nature and cultured in vitro

Projekat ministarstva br. 143026B i 143041

Chemical analysis and antimicrobial activity of methanol extracts of celandine (Chelidonium majus L.) plants growing in nature and cultured in vitro

Projekat ministarstva br. 143026B i 143041

Fitohemijska i anatomska analiza vrste Iris reichenbachii Heuff.

Iris reichenbachii Heuffel (Iridaceae) is an endemic plant species of Balkan penninsula and Romania. Pharmacognostic study of this species are not done till now. The microscopic preparations of the leaves were analyzed and specific orientation of vessels were noticed. Secondary metabolites were analyzed in the samples of leaves collected in different vegetative phase, flowers, fruits and rhizomes. In the samples, g-pyrones and secoiridoids were detected. Among γ-pyrones, a xanthone C-glycoside mangiferin were one of the most abundant compound. It's content varied from 0.5%-8.34% depending of plant organ or vegetative phase of development.Vrsta Iris reichenbachii je endemit Balkanskog poluostrva i Rumunije. Do sada nije farmakognozijski izučavana. U ovom radu je ispitivana anatomska građa lista pri čemu je uočena specifična orijentacija provodnih snopića. Prisustvo sekundarnih metabolita ispitivano je u uzorcima listova, cvetova, plodova i rizoma. Detektovana su jedinjenja g-pironske strukture (ksantoni, flavonoidi) među kojima se po zastupljenosti u uzorcima, kao i po količini ističe ksanton mangiferin. Sadržaj mangiferina varira zavisno od faze razvića i biljnog organa (0.5%-8.34%). Detektovani su i sekoiridoidi od kojih se u značajnijoj količini pojavljuju svercijamarin i genciopikrin

Fitohemijska i anatomska analiza vrste Gentiana dinarica Beck., Gentianaceae

Gentiana dinarica Beck. (Gentianaceae) is a rare plant species growing at carbonate soils in subalpine and alpine regions. Acording to the Flora of Serbia G. dinarica is only distributed in Kosovo. In course of our recent pharmacognostic investigations G. dinarica was found at two localities on the mountain Tara, locality Zvezda (1230 m) and Veliki Kraj (1330 m). Plant material (aerial parts and roots) was collected from June to August 2000-2001. Anatomic and phytochemical analyses were carried out. Preliminary screening of the extracts of the roots and aerial parts of G. dinarica showed the presence of secoiridoids, flavonoids and xanthone compounds. From both extracts three secoiridoids were isolated (swertiamarin, gentiopicrin and sweroside).Vrsta Gentiana dinarica Beck. (Gentianaceae) je retka biljna vrsta koja je u Srbiji, prema Flori Srbije, do sada konstatovana samo na Kosovu. U toku terenskih istraživanja, ovu vrstu smo zabeležili na dva lokaliteta na planini Tari i to lokalitet Zvezda (1230 m) i lokalitet Veliki Kraj (1330 m).Specifičnost anatomske građe korena G. dinarica je slabo odrveneo kislem, i tzv. unutarksilemski floem, odnosno grupice floemskih elemenata u centralnom delu sekundarnog drveta.Preliminarno ispitivanje ekstrakata korena i nadzemnog dela G. dinarica pokazao je prisustvo sekoiridoida, flavonoida i ksantona. Od sekoiridoida, izolovani su svercijamarin, genciopikrin i sverozid

Phytochemical and anatomic study of plant species Gentiana dinarica Beck

Gentiana dinarica Beck. (Gentianaceae) is a rare plant species growing at carbonate soils in subalpine and alpine regions. Acording to the Flora of Serbia G. dinarica is only distributed in Kosovo. In course of our recent pharmacognostic investigations G. dinarica was found at two localities on the mountain Tara, locality Zvezda (1230 m) and Veliki Kraj (1330 m). Plant material (aerial parts and roots) was collected from June to August 2000-2001. Anatomic and phytochemical analyses were carried out. Preliminary screening of the extracts of the roots and aerial parts of G. dinarica showed the presence of secoiridoids, flavonoids and xanthone compounds. From both extracts three secoiridoids were isolated (swertiamarin, gentiopicrin and sweroside).Vrsta Gentiana dinarica Beck. (Gentianaceae) je retka biljna vrsta koja je u Srbiji, prema Flori Srbije, do sada konstatovana samo na Kosovu. U toku terenskih istraživanja, ovu vrstu smo zabeležili na dva lokaliteta na planini Tari i to lokalitet Zvezda (1230 m) i lokalitet Veliki Kraj (1330 m).Specifičnost anatomske građe korena G. dinarica je slabo odrveneo kislem, i tzv. unutarksilemski floem, odnosno grupice floemskih elemenata u centralnom delu sekundarnog drveta.Preliminarno ispitivanje ekstrakata korena i nadzemnog dela G. dinarica pokazao je prisustvo sekoiridoida, flavonoida i ksantona. Od sekoiridoida, izolovani su svercijamarin, genciopikrin i sverozid.nul