Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Okińczyc P"'
Autor:
Anna Zwyrzykowska-Wodzińska, Bogdan Jarosz, Piotr Okińczyc, Jakub Szperlik, Przemysław Bąbelewski, Zdeněk Zadák, Anna Jankowska-Mąkosa, Damian Knecht
Publikováno v:
Molecules, Vol 29, Iss 20, p 4833 (2024)
Natural compounds are important source of desired biological activity which helps to improve nutritional status and brings many health benefits. Ilex paraguariensis St. Hill. which belongs to the family Aquifoliaceae is a plant rich in bioactive subs
Externí odkaz:
https://doaj.org/article/dfe37289447e472c97e533d6d267aeeb
Autor:
Piotr Okińczyc, Jarosław Widelski, Kinga Nowak, Sylwia Radwan, Maciej Włodarczyk, Piotr Marek Kuś, Katarzyna Susniak, Izabela Korona-Głowniak
Publikováno v:
Molecules, Vol 29, Iss 2, p 437 (2024)
Buds of poplar trees (Populus species) are often covered with sticky, usually polyphenol-rich, exudates. Moreover, accessible data showed that some Populus bud extracts may be excellent antibacterial agents, especially against Gram-positive bacteria.
Externí odkaz:
https://doaj.org/article/f347385904ba476786ae4d25af9643b8
Autor:
Rafał Sawicki, Jarosław Widelski, Piotr Okińczyc, Wiesław Truszkiewicz, Joanna Glous, Elwira Sieniawska
Publikováno v:
Frontiers in Microbiology, Vol 13 (2022)
Propolis is a natural product proved to be efficient against Mycobacterium tuberculosis. Although it is produced by bees, its active alcoholic-aqueous fraction contains plant-derived molecules. To gain some insight into its mechanism of antimycobacte
Externí odkaz:
https://doaj.org/article/2e2dada1265f4ec7ad52970209c7ecf5
Autor:
Jarosław Widelski, Piotr Okińczyc, Katarzyna Suśniak, Anna Malm, Emil Paluch, Asanali Sakipov, Gulsim Zhumashova, Galiya Ibadullayeva, Zuriyadda Sakipova, Izabela Korona-Glowniak
Publikováno v:
Molecules, Vol 28, Iss 7, p 2984 (2023)
In the current paper, we present the results of Kazakh propolis investigations. Due to limited data about propolis from this country, research was focused mainly on phytochemical analysis and evaluation of propolis antimicrobial activity. uHPLC-DAD (
Externí odkaz:
https://doaj.org/article/7db2907d406e4c5990a5150a27e11b59
Autor:
Jarosław Widelski, Piotr Okińczyc, Katarzyna Suśniak, Anna Malm, Anna Bozhadze, Malkhaz Jokhadze, Izabela Korona-Głowniak
Publikováno v:
Molecules, Vol 28, Iss 3, p 1374 (2023)
Helicobacter pylori (H. pylori) is considered the most common bacterial pathogen colonizing stomach mucosa of almost half the world’s population and is associated with various gastrointestinal diseases (from digestive problems and ulcers to gastric
Externí odkaz:
https://doaj.org/article/78275faf5b0a4f56a1559f76309d5c18
Autor:
Jarosław Widelski, Katarzyna Gaweł-Bęben, Karolina Czech, Emil Paluch, Olga Bortkiewicz, Solomiia Kozachok, Tomasz Mroczek, Piotr Okińczyc
Publikováno v:
Molecules, Vol 28, Iss 1, p 55 (2022)
Tyrosinase is a key enzyme in the melanogenesis pathway. Melanin, the product of this process, is the main pigment of the human skin and a major protection factor against harmful ultraviolet radiation (UVR). Increased melanin synthesis due to tyrosin
Externí odkaz:
https://doaj.org/article/40469b7928f44bbe9eba20778c0a998d
Autor:
Piotr Okińczyc, Jarosław Widelski, Monika Ciochoń, Emil Paluch, Anna Bozhadze, Malkhaz Jokhadze, Gocha Mtvarelishvili, Izabela Korona-Głowniak, Barbara Krzyżanowska, Piotr Marek Kuś
Publikováno v:
Molecules, Vol 27, Iss 22, p 7714 (2022)
Propolis (bee glue) is a resinous substance produced by different species of bees i.a. from available plant resins, balsams, and exudates. It is characterized by significant biological activity (e.g., antimicrobial and antioxidant) and phytochemical
Externí odkaz:
https://doaj.org/article/f144173fb9814afd8ff34a68b6c5c428
Autor:
Sylwester Mazurek, Maciej Włodarczyk, Sonia Pielorz, Piotr Okińczyc, Piotr M. Kuś, Gabriela Długosz, Diana Vidal-Yañez, Roman Szostak
Publikováno v:
Molecules, Vol 27, Iss 12, p 3954 (2022)
Poplar bark and leaves can be an attractive source of salicylates and other biologically active compounds used in medicine. However, the biochemical variability of poplar material requires a standardization prior to processing. The official analytica
Externí odkaz:
https://doaj.org/article/7ab344aa4e624206b048a66d0f10680a
Autor:
Jarosław Widelski, Piotr Okińczyc, Emil Paluch, Tomasz Mroczek, Jakub Szperlik, Magdalena Żuk, Zbigniew Sroka, Zuriyadda Sakipova, Ioanna Chinou, Krystyna Skalicka-Woźniak, Anna Malm, Izabela Korona-Głowniak
Publikováno v:
Pathogens, Vol 11, Iss 2, p 191 (2022)
There is a noticeable interest in alternative therapies where the outcome is the eradication of the Gram-negative bacterium, Helicobacter pylori (H. pylori), for the purpose of treating many stomach diseases (chronic gastritis and peptic ulcers) and
Externí odkaz:
https://doaj.org/article/c466ff446ada4447b4ac855e40836a5c
Autor:
Emil Paluch, Piotr Okińczyc, Anna Zwyrzykowska-Wodzińska, Jakub Szperlik, Barbara Żarowska, Anna Duda-Madej, Przemysław Bąbelewski, Maciej Włodarczyk, Wioleta Wojtasik, Robert Kupczyński, Antoni Szumny
Publikováno v:
Molecules, Vol 26, Iss 24, p 7442 (2021)
Plants from the Ilex genus are known for properties such as antimicrobial and anti-inflammatory activity, can act as antiobesity agents and thus can be helpful in medicine. Some holly species, such as Ilex paraguariensis (widely known in the form of
Externí odkaz:
https://doaj.org/article/b6b85d7ff27a4a7c88c42e1c0db3a9be