Effect of extraction solvent on total polyphenols content and antioxidant activity of Cannabis sativa L.
In this study, water and various concentrations of ethanol in water (30 %, 50 %, 70 %, and 90 %) were used as a solvent in the extraction of two different samples of hemp (Cannabis sativa L.). The extraction yield, total phenols content, total flavonoids content, antioxidant activity, and reductive capacity were determined in the obtained extracts....
By Zorica Drinić, Senka Vidović, Jelena Vladić, Anamarija Koren, Biljana Kiprovski, Vladmir Sikora
Biological activities of Sorbus aucuparia L. leaves extract
Biological activities of Sorbus aucuparia L. leaves extract was tested in our study. Antineurodegenerative activity was evaluated by acetylcholinesterase (AChE) and tyrosinase (TYR) inhibitory activity assays while antioxidant activity was by tested using four different assays. In all antioxidant test we noticed concentration dependent activity of ...
By Katarina Šavikin, Gordan Zdunić, Ana Alimpić, Dubravka Bigović, Dejan Pljevljakušić, Sonja Duletić-Laušević
Antioxidant capacity of pineapple methanolic extracts and juice (Ananas comosus (L.) Merr.)
Polyphenols are secondary plant metabolites with proven antioxidant activity, which have an important part in prevention of many diseases. Pineapple (Ananas comosus (L.) Merr. family Bromeliaceae) is a plant native to Central America. Pineapple fruit is the most common part of plant used in both, nutrition and traditional medicine, but other parts ...
By Miljana Jovanović, Milica MIlutinović, Milica Kostić, Nemanja Kitić, Suzana Brankovič, Dušanka Kitič
Antiviral activity of medicinal plants extracts against foodborne norovirus
Medicinal plant extracts have a broad antimicrobial activity, including antiviral effects. In our study, eleven dry extracts of ten different medicinal plants prepared with two solvents (5%, dimethyl sulfoxide (DMSO) and 30% ethanol in 5% DMSO) in different concentrations have been examined for anti-norovirus activity. The reduction of norovirus &g...
By Ivana Živković, Katarina Šavikin, Gordana Zdunić, Jelena Živković, Dubravka Bigović, Nebojša Menković, Dragoslav Radin
Sensitivity of multiresistant bacteria and methicillin-resistant Staphylococcus aureus to ethanolic root extract of Raphanus sativus
Raphanus sativus L. (Brassicaceae) is an edible plant, whose root is consumed all over the world. The objective of this study was to test antibacterial potential of R. sativus ethanolic extract on 12 pathogenic bacteria including multiresistant bacterial strains and MRSA. All of the tested bacteria showed sensitivity to the antibacterial effect of ...
By Dejan Stojković, Marija Smiljković, Miloš Nikolić, Jelena Živković, Marina Soković
Standard microscopic slide preparation technique as a new and useful tool for analyzing mucilage content in marshmallow root
Marshmallow (Althaea officinalis L.) root is used as a drug in medicine, pharmaceutical, cosmetic as well as in food products, due to the content of mucilage with a broad range of physicochemical properties. Since mucilage content in roots depends on genotype and growing conditions, the quality control is, therefore, one of the major tasks in the r...
By Dragana Rančič, Slobodan Dražić, Svetlana Aćić, Radenko Radošević, Zora Dajić Stevanović
Chemical composition and in vitro herbicidal activity of five essential oils on Johnson grass (Sorghum halepense [L.] Pers.)
The evaluation of the inhibition effect achieved by essential oils of dill (Anethum graveolens L.), oregano (Origanum vulgare L.), juniper (Juniperus communis L.), sage (Salvia officinalis L.) and winter savory (Satureja montana L.) on seed germination and shoot growth of Johnson grass (Sorghum halepense L.) was tested in laboratory. The chem...
By Ana Matković, Tatjana Marković, Sava Vrbničanin, Marija Sarić Krsmanović, Dragana Božić
Preliminary results of winter savory (Satureja montana L.) cultivated under permeable mulch film in dry farming conditions of South Banat
The aim of study was to investigate development of perennial medicinal plant, Satureja montana L., cultivated in dry farming conditions of South Banat, Serbia, with use of black permeable mulch film. In the first two vegetations, the influence of fertilization and crop density on yields of the aboveground plant part (per plant and per m2) and on th...
By Dragoja Radanović, Ana Matković, Rada Đurović Pejčev, Tatjana Marković, Vladmir Filipović, Snežana Mrđan, Jovica Vasin
Inhibition of microbial biofilm formation by Cydonia oblonga Mill. fruit peel and leaf ethanolic extracts
This study aimed to investigate the activity of C. oblonga peel and leaf ethanolic extracts on biofilm formation of different microbial strains, including pathogenic bacteria and food poisoning strains. It was shown that both of the investigated extracts inhibited biofilm formation in a dose dependent manner with sub-minimal inhibitory concent...
By Dejan Stojković, Kristina Jevremović, Marija Smiljković, Jelena Živković, Marina Soković
Microencapsulation methods for plants biologically active compounds - a review
Biologically active compounds from plants have attracted great interest due to their affordability, effectiveness and low toxicity. Herbal extracts provide an infinite resource of raw materials for pharmaceutical, cosmetic and food industry. Unfortunately, use of the valuable natural compounds can be limited by their low bioavailability, volatiliza...
By Jelena Mudrić, Svetlana Ibrić, Jelena Đuriš