Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Aleksandra Grudniewska"'
Autor:
Hanna Pruchnik, Aleksandra Włoch, Witold Gładkowski, Aleksandra Grudniewska, Anna Chojnacka, Mateusz Krzemiński, Magdalena Rudzińska
Publikováno v:
Membranes, Vol 12, Iss 11, p 1054 (2022)
Plant sterols are known for their health-promoting effects, lowering blood cholesterol levels and alleviating cardiovascular disease. In this work, we continue our research on the asymmetric acylglycerols in which fatty acid residues are replaced by
Externí odkaz:
https://doaj.org/article/b1d762c120c04196b5a0e706ab9fa011
Autor:
Witold Gładkowski, Aleksandra Włoch, Hanna Pruchnik, Anna Chojnacka, Aleksandra Grudniewska, Agnieszka Wysota, Anna Dunal, Daniel Rubiano Castro, Magdalena Rudzińska
Publikováno v:
Molecules, Vol 27, Iss 11, p 3406 (2022)
New carriers of phytosterols; acylglycerols containing natural myristic acid at sn-1 and sn-3 positions and stigmasterol residue linked to sn-2 position by carbonate and succinate linker have been designed and synthesized in three-step synthesis from
Externí odkaz:
https://doaj.org/article/9296607ecd304b03bbdbb9caffd862fd
Autor:
Magdalena Rudzińska, Aleksandra Grudniewska, Anna Chojnacka, Witold Gładkowski, Gabriela Maciejewska, Anna Olejnik, Katarzyna Kowalska
Publikováno v:
Molecules, Vol 26, Iss 22, p 6837 (2021)
Plant sterols, also referred as phytosterols, have been known as bioactive compounds which have cholesterol-lowering properties in human blood. It has been established that a diet rich in plant sterols or their esters alleviates cardiovascular diseas
Externí odkaz:
https://doaj.org/article/f0edc853a7dc4d6880cbda4aa4b52d4b
Autor:
Anna Wróblewska-Kurdyk, Radosław Gniłka, Katarzyna Dancewicz, Aleksandra Grudniewska, Czesław Wawrzeńczyk, Beata Gabryś
Publikováno v:
Molecules, Vol 24, Iss 10, p 1847 (2019)
Thujone is a natural biologically active monoterpene ketone component of essential oils of numerous plants. The aim of the study was to evaluate the effect of β-thujone and β-thujone derivatives bisulfite adduct, lactone, oxime, and lactam applicat
Externí odkaz:
https://doaj.org/article/097fa4707b3b433ca8a3c95821d32ba5
Publikováno v:
Molecules, Vol 18, Iss 3, Pp 2778-2787 (2013)
Racemic [(±)-4-isopropyl-1-methyl-7-oxa-cis-bicyclo[4.3.0]non-4-en-8-one] and optically active d,e-unsaturated lactones [(-)-(1R,6R)-4-isopropyl-1-methyl-7-oxabicyclo[4.3.0]non-4-en-8-one and (+)-(1S,6S)-4-isopropyl-1-methyl-7-oxabicyclo[4.3.0] non-
Externí odkaz:
https://doaj.org/article/7a81214a5d4d4ce4997f7ccfcdda87f6
Autor:
Filip Boratyński, Ewa Szczepańska, Aleksandra Grudniewska, Bartłomiej Skalny, Teresa Olejniczak
Publikováno v:
Molecules, Vol 23, Iss 3, p 659 (2018)
In this study, solid-state fermentation (SSF) was proposed as an alternative approach to obtain optically pure forms of one of the most common aroma compounds, whisky lactone. Filamentous fungi were used for enantioselective hydrolysis of a racemate
Externí odkaz:
https://doaj.org/article/a82915eb85ea4e7eb7674d3eb81afc38
Autor:
Aleksandra Grudniewska, Marek Kłobucki, Katarzyna Dancewicz, Maryla Szczepanik, Beata Gabryś, Czesław Wawrzeńczyk
Publikováno v:
PLoS ONE, Vol 10, Iss 7, p e0131028 (2015)
Two racemic and two enantiomeric pairs of new δ-hydroxy-γ-lactones based on the p-menthane system were prepared from racemic and optically active cis- and trans-piperitols. The Johnson-Claisen rearrangement of the piperitols, epoxidation of the γ
Externí odkaz:
https://doaj.org/article/c83aaf690510418f82e5e56293fb4dfc
Publikováno v:
Molecules, Vol 22, Iss 10, p 1771 (2017)
Phospholipids containing PUFAs are important vehicles for their delivering to the targeted tissues. In our research project we established enzymatic methods for the enrichment of natural egg-yolk PC with n-3 PUFAs. Instead of synthetic PUFA ethyl est
Externí odkaz:
https://doaj.org/article/d7d5c83429564a1da1c204cd9ebeca34
Autor:
Witold Gładkowski, Anna Chojnacka, Aleksandra Włoch, Hanna Pruchnik, Aleksandra Grudniewska, Anna Dunal, Anita Dudek, Gabriela Maciejewska, Magdalena Rudzińska
Publikováno v:
ChemPlusChem. 88
Autor:
Tatsuro Yoneyama, Hiroki Takahashi, Aleksandra Grudniewska, Sayaka Ban, Akemi Umeyama, Masaaki Noji
Publikováno v:
Natural Product Communications. 17:1934578X2211053
Ergosterol is an essential component for fungi, including entomopathogenic fungi like Cordyceps. Cordyceps has been used as a traditional medicine in Japan and China and possesses various unique ergostane-type sterols, those exhibit bioactivities. In