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
Antioxidant and antineurodegenerative properties of St. John’s-wort dry extract
Different biological activities of Hypericum perforatum L. dry extract was tested in this study. Antioxidant activity was evaluated by four different assays. Antineurodegenerative activity was tested using acetylcholinesterase (AChE) and tyrosinase inhibitory activity assays. In all four antioxidant assays, concentration dependent manner was notice...
By Katarina Šavikin, Ana Alimpić, Gordana Zdunić, Jelena Živković, Teodora Janković, Nebojša Menković, Sonja Duletić-Laušević
Peer seeds - rich source of antioxidants
During fruit processing, a large amount of solid residues such as seeds, remains underutilized. There is a need to find method for use of these by-products and to convert them into products with significant health, environmental and/or economic benefits. This study provides data about content of lipophilic antioxidants (carotenoids and tocols) and ...
By Jelena Živković, Katarina Šavikin
Phytochemical characterization and antioxidant potential of rustyback fern (Asplenium ceterach L.)
Asplenium ceterach (syn. Ceterach officinarum Willd.) or rustyback fern, is a plant species traditionally used in Mediterranean countries as expectorant, diuretic, against spleen complaints, kidney stones and hemorrhoids. Phytochemical analysis of gametophytes and sporophytes of A. ceterach was performed, followed by comparative analysis of phenoli...
By Suzana Živković, Marijana Skorić, Branislav Šiler, Slavica Dmitrović, Biljana Filipović, Tijana Nikolić, Danijela Mišić
Chemical composition of volatile extract from Inula aschersoniana Janka var. aschersoniana growing in Bulgaria
The chemical composition of the volatile oil of Inula aschersoniana was studied by GC and GC-MS. Fortyfive constituents representing 92.9% of the total oil were detected. The oil contained fatty acids (55.2%) and alkanes (14.1%), followed by oxygenated monoterpenes (9.6%), sesquiterpenoids (7.1%) and aromatic compounds (4.5%). It is characterized b...
By Milka Todorović, Antoaneta Trendafilova, Dimitar Dimitrov
Preliminary safety estimate of cosmetic anti-age creams with chokeberry extract, using in vivo bioengineering techniques
Potential of anti-age cosmetic line, day and night creams was evaluated using noninvasive measurements of the appropriate skin biophysical parameters in a 24-h in vivo study under occlusion. Thirty one healthy female volunteers were involved in the study. Electrical capacitance (EC), transepidermal water loss (TEWL), erythema index (EI) were evalua...
By Nada Čujić, Ana Žugić, Gordana Zdunić, Katarina Šavikin
Polyphenols Extraction From Plant Sources
Various conventional (maceration and heat-assisted extraction) and new alternative techniques (ultrasound-assisted extraction and microwave-assisted extraction) have been developed for the extraction of polyphenols compounds from different plant sources. Novel procedures have established with the aim to reduce the extraction time and solvent consum...
By Aleksandra Jovanović, Predrag Petrović, Verica Đorđević, Gordana Zdunić, Katarina Šavikin, Branko Bugarski
Fungi an source with huge potential for “mushroom pharmaceuticals”
Mushrooms for ages have been used by humans, not only as a source of food, but medicinal resources as well. They were used as a part of traditional medicine, first of all in the civilizations of the East and recentlly in Western civilizations. The mushrooms constitute 16,000 species worldwide with more than 2000 species identified as safe. Among th...
By Jasmina Glamočlija, Marina Soković
Optimization of chokeberry (Aronia melanocarpa (Michx.) Elliott) extraction, microencapsulation of extract by electrostatic extrusion and spray drying methods
In recent past years, there is a growing interest for application and investigation of alternative natural substances, antioxidants which could achieve protective effects on human health. Among numerous plants, chokeberry has the highest polyphenols content and antioxidant capacity. High intake of chokeberry may have beneficial effects on cardiovas...
By Nada Čujić