Search Results - "Stefkov, G."

Polyphenolic characterization and chromatographic methods for fast assessment of culinary Salvia species from South East Europe by Cvetkovikj, I., Stefkov, G., Acevska, J., Stanoeva, J. Petreska, Karapandzova, M., Stefova, M., Dimitrovska, A., Kulevanova, S.

“…► HPLC–DAD–ESI-MSn methods for characterization of polyphenols in Sage were developed. ► Various extractions were performed and evaluated for their…”
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Chemometric approach for development, optimization, and validation of different chromatographic methods for separation of opium alkaloids by Acevska, J., Stefkov, G., Petkovska, R., Kulevanova, S., Dimitrovska, A.

“…The excessive and continuously growing interest in the simultaneous determination of poppy alkaloids imposes the development and optimization of convenient…”
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Potential bioactive phenolics of Macedonian Sideritis species used for medicinal “Mountain Tea” by Petreska, J., Stefova, M., Ferreres, F., Moreno, D.A., Tomás-Barberán, F.A., Stefkov, G., Kulevanova, S., Gil-Izquierdo, A.

“…Twenty four phenolic compounds have been characterised in medicinal Sideritis species (aerial parts) from Macedonia by liquid chromatography–UV diode array…”
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Variability of the arbutin content in wild growing populations of Arctostaphylos uva-ursi (L.) Spreng from Korab Mountain, Western Balkan by Stefkov, Gjoshe, Cvetkovikj Karanfilova, Ivana, Labroska, Viktorija, Krsteska, Orhidea, Qazimi, Bujar, Karapandzova, Marija, Gjoni, Zyber, Bardhi, Nikoll, Kulevanova, Svetlana

“…Due to the presence of arbutin and hydroquinone in the bearberry plant (Arctostaphylos uva-ursi (L.) Spreng., Ericaceae), it is widely used as a urinary tract…”
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Cytotoxic activity of liposomal Thymus capitatus essential oil on HT-29 human colorectal cancer cell line by Kryeziu, T, Bağci, U, Loshaj-Shala, A, Oral, A, Stefkov, G J, Zimmer, A, Basholli-Salihu, M

“…Multidrug resistance, severe side effects, and high cancer treatment costs are still well-known issues and remain an open challenge. These factors reduce the…”
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IDENTIFICATION, ISOLATION, AND DETERMINATION OF FLAVONES IN ORIGANUM VULGARE FROM MACEDONIAN FLORA by Kulevanova, Svetlana, Stefova, Marina, Stefkov, Gjoshe, Stafilov, Trajce

“…Assay of flavone aglycones in extracts of Origanum vulgare from Macedonia including identification and isolation is performed. Hydrolyzed extracts were…”
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Investigation of antimicrobial activity of essential oils of several Macedonian Thymus L. species (Lamiaceae) by Kulevanova, S, Kaftandzieva, A, Dimitrovska, A, Stefkov, G, Grdanoska, T, Panovski, N

“…Antimicrobial activity of twenty specimens of essential oils of eleven Thymus species, naturally occurring in the Macedonian flora, was investigated by agar…”
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