The microbiological stability of cosmetic products is crucial, especially in products with high water content, such as creams. Therefore, preservatives are used in order to protect consumers from harmful pathogens that would otherwise invade the cosmetics. Despite their function, the addition of preservatives can be considered controversial in the ...

By Tatjana Stević, Nemanja Krgovic, Jelena Mudrić, Nada Cujic Nikolic, Ana Žugić, Dubravka Bigović, Tea Ganić, Katarina Šavikin

Comparison between conventional and microwave-assisted hydrodistillation at different power levels has been applied for the extraction of essential oil from Zingiber officinale Rosc. rhizome. In addition to the collected essential oils, as the main products, hydrolats were also collected, as valuable by-products from both extraction techniques. A c...

By Zorica Drinić, Miloš Jovanović, Dejan Pljevljakušić, Nada Čujić-Nikolić, Dubravka Bigović, Katarina Šavikin

The usage of hawthorn preparations has a long history in the traditional treatment of heart failure, which is considered as the inability of a weakened heart to supply peripheral tissues with the required amount of oxygen and nutrients. The leaf, flower, and fruit of the hawthorn, due to the presence of bioactive compounds such as flavonoids, procy...

By Sofija Đorđević, Nada Čujić-Nikolić

Due to its high content of phenolics, black chokeberry has been proposed as a health-promoting material, especially use of chokeberry extract as a food or pharmaceuticals. Chokeberry extract was spray-dried using gum Arabic as a carrier. The optimal conditions for the efficient microencapsulation of chokeberry extract using spray-drying technique h...

By Nada Čujić-Nikolić, Nemanja Stanisavljević, Katarina Šavikin, Ana Kalaušević, Viktor Nedović, Dubravka Bigović, Teodora Janković

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

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

Nowdays, the use of products based on medicinal herbs (phytopreparates) are in scientific focus, both in prevention or in treatment of various diseases. Herbal products have been recognized as an excellent source of bioactive compounds which have positive effects on human health. Beside teas, as standard herbal products, phytopreparations are much ...

By Nada Ćujić, Svetlana Ibrić, Dubravka Bigović, Nebojša Noveski, Katarina Šavikin

In recent years, drug delivery systems are especially interesting because they allow therapeutic efficiency and reduce side effects. Conjugates of hyaluronic acid and chemotherapeutic agents, especially taxol, have been recognized as excellent solution for many therapeutic indications. The aim of conjugation of taxol with hyaluronic acid was the to...

By Nada Ćujić, Svetlana Ibrić, Dubravka Bigović, Nebojša Noveski, Katarina Šavikin

Anthocyanins are a group of  over 500 different compounds that cause red, purple and blue colours of many plants, especially fruits, vegetables and cereals. Anthocyanins structuraly belong to flavones. Mainly fruit is considered the main source of anthocyanins , although they are present in vegetables, roots, bulbs, fruit pulps, pulses and cer...

By Nada Ćujić, Tatjana Kundaković, Katarina Šavikin

This paper describes the effects of altitude on the content of polyphenolic compounds in the wild berry fruits. Berries are known as a good source of polyphenols, which contribute to the high antioxidant activity. Epidemiological studies have shown a correlation between a high intake of polyphenolic compounds and reduced risk of cardiovascular dise...

By Nada Ćujić, Nebojša Menković, Katarina Šavikin, Slavoljub Tasić, Gordana Zdunić, Teodora Janković, Miodrag Jovančević