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Akademický článek

Chemical composition and antioxidant activity of propolis, stored for more than 30 years

Autor: Nikolova Iliana, Dincheva Ivaila, Taneva Ira, Pencheva Martina, Georgieva Darina, Damyanova Stanka, Prodanova-Stefanova Vanya, Kostova Iliana, Stoyanova Albena

Publikováno v: BIO Web of Conferences, Vol 122, p 01021 (2024)

The propolis is a unique natural product that has been used by people in traditional medicine since ancient times. The aim of the present work is to determine the chemical composition and antioxidant activity of propolis, originating in 1993 from Nor

Externí odkaz: https://doaj.org/article/050f3854125d4f6ba4e69b36858f60c8

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Akademický článek

Coefficient of diffusion of tannins in extracts from red and black hawthorn fruit

Autor: Taneva Ira, Prodanova-Stefanova Vanya, Lazarov Anton

Publikováno v: BIO Web of Conferences, Vol 122, p 01004 (2024)

One of the main parameters of the extraction process is the coefficient of diffusion. It gives information about the diffusion properties of the material to be extracted and depends on various factors: raw material structure, solvent type, temperatur

Externí odkaz: https://doaj.org/article/309aaabdb2ee485d9fde1b32e314429a

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Akademický článek

Content of biologically active substances and antioxidant activity of aqueous-ethanol extracts of cultivated rosehip fruit obtained by ultrasonic extraction

Autor: Taneva Ira, Mazova Nadezhda, Nikolova Iliana, Pencheva Martina

Publikováno v: BIO Web of Conferences, Vol 122, p 01020 (2024)

The aim of the current work is to determine the main biologically active substances and antioxidant activity of aqueous-ethanolic extracts of cultivated rosehip fruit obtained by ultrasonic treatment. The extraction was performed under the following

Externí odkaz: https://doaj.org/article/97289e2291e241658ec1b31f91727015

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Akademický článek

COMPARATIVE ANALYSIS OF WILD AND CULTIVATED ROSEHIP FROM BULGARIA.

Autor: IVANOVA, MIHAELA G.¹ mivanova@uft-plovdiv.bg, TANEVA, IRA D.², ZHEKOVA-KALAYDZHIEVA, MARIA Z.², SCHREINER, MATTHIAS³, SLAVOV, ANTON M.¹, TUMBARSKI, YULIAN D.¹

Publikováno v: Annals of the University Dunarea de Jos of Galati Fascicle VI: Food Technology / Analele Universităţii Dunărea de Jos din Galaţi, Fascicula VI: Tehnologia Produselor Alimentare. Dec2023, Vol. 47 Issue 2, p140-156. 17p.

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