Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Stefka Minkova"'
Autor:
Veselin Vladev, Mariya Brazkova, Stefan Bozhkov, Galena Angelova, Denica Blazheva, Stefka Minkova, Krastena Nikolova, Tinko Eftimov
Publikováno v:
Foods, Vol 13, Iss 9, p 1329 (2024)
An experimental study is presented on the possibility of using the fluorescence from organic dyes as a broadband light source together with a monochromator for applications in excitation–emission matrix (EEM) fluorescence spectroscopy. A high-power
Externí odkaz:
https://doaj.org/article/3be8d61ab5ca4706aa81131598142c0d
Autor:
Iliana Milkova-Tomova, Zornica Kazakova, Dragomira Buhalova, Galia Gentscheva, Krastena Nikolova, Stefka Minkova
Publikováno v:
Folia Medica, Vol 65, Iss 2, Pp 295-300 (2023)
Introduction: In folk medicine, dried white flowers of Sambucus nigra L. are used to make infusions, decoctions, and juices.Aim: The present article aims to study and compare the antioxidant activity of aqueous solutions of leaves and flowers of Samb
Externí odkaz:
https://doaj.org/article/9983602fddf34adbaa2d078448fa4e60
Autor:
KRASTENA NIKOLOVA, MARIYANA PERIFANOVA, ALEKSANDAR PASHEV, STEFKA MINKOVA, GALIA GENTSCHEVA, GINKA ANTOVA, GALIA UZUNOVA
Publikováno v:
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, Vol 22, Iss 4, Pp 427-435 (2021)
The composition of grape seeds oil from a mixture of two varieties of red grape (Sangiovese and Pinot noir) from Varna region was investigated. Different analytical techniques have been used to determine the content of biologically active compound
Externí odkaz:
https://doaj.org/article/389098dd31594547b149f2bf89ff95f1
Autor:
Galia Gentscheva, Irina Karadjova, Stefka Minkova, Krastena Nikolova, Velichka Andonova, Nadezhda Petkova, Iliana Milkova-Tomova
Publikováno v:
Horticulturae, Vol 7, Iss 12, p 520 (2021)
Sempervivum tectorum L. is an evergreen plant belonging to a large family of the Crassulaceae. The fresh juice of the plant is used as a folk remedy almost exclusively for external purposes. The combination of several instrumental methods—transmiss
Externí odkaz:
https://doaj.org/article/6269eb6f2db144cf8739746e8a4126b2
Autor:
Galia Gentscheva, Irina Karadjova, Poli Radusheva, Stefka Minkova, Krastena Nikolova, Yoana Sotirova, Ina Yotkovska, Velichka Andonova
Publikováno v:
Horticulturae, Vol 7, Iss 9, p 306 (2021)
Sempervivumtectorum L. is an evergreen plant with fleshy blue-green leaves forming a rosette. The plant is well-known in alternative medicine and has been used for thousands of years. Traditionally for medicinal purposes, the plant is used as a juice
Externí odkaz:
https://doaj.org/article/e65c28338e6d4002882815dc7ff197ef
Autor:
Velichka Andonova, Iliana Milkova-Tomova, Galia Gentscheva, Irina Karadjova, Krastena Nikolova, Nadezhda Petkova, Stefka Minkova
Publikováno v:
Horticulturae, Vol 7, Iss 520, p 520 (2021)
Sempervivum tectorum L. is an evergreen plant belonging to a large family of the Crassulaceae. The fresh juice of the plant is used as a folk remedy almost exclusively for external purposes. The combination of several instrumental methods—transmiss
Autor:
Radoslava Gabrova, Tinko Evtimov, Veselin Vladev, Vera Hadjimitova, Stefka Minkova, Krastena Nikolova, N. Hristova-Aqakumova
Publikováno v:
20th International Conference and School on Quantum Electronics: Laser Physics and Applications.
Publikováno v:
Journal of Physics: Conference Series. 1762:012008
Fluorescence spectra and chemical composition of cold-pressed sunflower oleic oils with addition of oils from: 1) basil (Ocimum basilicum), 2) rosemary (Rosmarinus officinalis) and 3) oregano (Origanum vulgare) were studied. The aim of the study is t
Publikováno v:
Scripta Scientifica Pharmaceutica. 4:46
This paper describes a study of usefulness of some optical methods to determine the grape variety and the age of Bulgarian wines from Southern Bulgaria. We have tested two optical methods measuring the optical density and fluorescence spectra in th
Autor:
Vladev, Veselin, Brazkova, Mariya, Bozhkov, Stefan, Angelova, Galena, Blazheva, Denica, Minkova, Stefka, Nikolova, Krastena, Eftimov, Tinko
Publikováno v:
Foods; May2024, Vol. 13 Issue 9, p1329, 15p