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Opus Journal Demo

Vol 23, Issue 3,2033

Opus Journal Demo

Vol 3, Issue 5,2024

Opus Journal Demo

Vol 43, Issue 2,2024

Opus Journal Demo

Vol 123, Issue 23,2023

Opus Journal Demo

Vol 12, Issue 23,2023

Opus Journal Demo

Vol 2, Issue 4,2023

Natural polyphenols, ferulic acid (FA) and hesperetin (Hp) were tested for their Fe3+-reducing power, using the TPTZ methodology, as a first step to rank them according to their antioxidant potential. Ranking also included quercetin (Qt), a very well-studied natural, polyphenolic antioxidant, and ascorbic acid (AA). All phenolics considered were al...

By Marie Aoun, Dimitris P Makris

Paeonia peregrina Mill. and Paeonia tenuifolia L. are endangered species of herbaceous plants with high ornamental and medicinal values. There are a few natural habitats in Serbia where these plants spontaneously grow: Krivi Vir, Skrobnica, Golina, Pirot, Deliblato Sands, and Sokobanja, in the municipality of Knjaževac. In July 2021, the symp...

By Sara Mikić, Tatjana Marković, Nina Vučković, Željana Prijić, Jingqi Xue

Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test Test test ...

By Mladen Autor, Mladen Babic Layout 2

Vaccinium myrtillus L. (bilberry, Ericaceae), a perennial, wild, and small deciduous shrub that grows in the mountains and forests of Europe. The leaf extracts are widely used in traditional medicine due to their astringent, antiseptic, antioxidant, anti-inflammatory, hypolipidemic, and hypoglycemic activities. Microwave-assisted extraction provid...

By Muna Rajab Elferjane, Petar Batinić, Natalija Čutović, Milena Milošević, Vojislav Ćirić, Aleksandar Marinković, Aleksandra A. Jovanović

Plants are natural products responsible for many biological activities. It is quite common to use plants that attract attention with their nutritive properties within the scope of complementary medicine. Matricaria species, which have naturally distributed, are among the plants used in traditional medicine. Revealing the biological activities of p...

By Hasan Hüseyin Yaz, Imran Uysal, Abdullah Ozan Polat, Falah Saleh Mohammed, Mustafa Sevindik

Traditional plant extraction methods commonly employ hazardous solvents that threaten human health. Considering these, the study sought to explore the efficacy of seven distinct types of apple cider vinegar (ACV) as an alternative solvent for isolating polyphenols from dry elderberries as a raw material. In the pursuit of identifying the most suit...

By Zorana Mutavski, Mirjana Sulejmanović, Sladjana Krivošija, Changhui Zhao, Senka Vidović

Steppe peony (Paeonia tenuifolia L., Paeoniaceae) is a perennial, herbaceous plant species which has been widely known for its medicinal use. This study is aimed at the development of P. tenuifolia petal dry methanolic extract-loaded liposomes and the determination of their antioxidant activity. The liposomes were prepared with three different pho...

By Natalija Čutović, Tatjana Marković, Ana Žugić, Petar Batinić, Branko Bugarski, Aleksandra A. Jovanović

Relatively simple, but very reliable, one-step qualitative/quantitative HPLC analysis of four key flavonoids, and a phenolcarboxylic acid, has been introduced. For substrate/sample preparations, either triple percolations, using 70% ethanol-water (V/V), or/and ultrasonic bath methanol extractions, were carried out to obtain the desired isolates yi...

By Vanja Tadić, Dragica Bojović, Goran Marković, Ivana Nešić, Ana Žugić

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 Krgović, Jelena Mudrić, Nada Ćujić Nikolić, Ana Žugić, Dubravka Bigović, Tea Ganić, Katarina Šavikin

In this study, antimicrobial activity of essential oils extracted from the aerial flowering parts (herbs) of Hyssopus officinalis subsp. aristatus (Godr.) Nyman (Lamiaceae) collected from five different locations in Montenegro, or purchased in Serbia, were investigated. In addition, their antibacterial activity in combination with antibiotics was ...

By Tijana Mićović, Dušan Ušjak, Marina Milenković, Stevan Samardžić, Zoran Maksimović

This journal is Formerly known as a Test Journal