Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Vladimír Mastihuba"'
Publikováno v:
Molecules, Vol 29, Iss 17, p 4067 (2024)
Phenylpropanoid sucrose esters are a large and important group of natural substances with significant therapeutic potential. This work describes a pilot study of the enzymatic hydroxycinnamoylation of sucrose and its derivatives which was carried out
Externí odkaz:
https://doaj.org/article/ceb02f42c85a4e458563dfddf7bbb876
Autor:
Mária Mastihubová, Vladimír Mastihuba
Publikováno v:
Biomolecules, Vol 13, Iss 3, p 519 (2023)
The bioactive natural substance, hamamelitannin, was effectively synthesized in two ways. The chemical acylation of 2,3-O-isopropylidene-α,β-D-hamamelofuranose promoted by Bu2SnO using 3,4,5-tri-O-acetylgalloyl chloride, followed by the deprotectio
Externí odkaz:
https://doaj.org/article/b7286aca382340afb4db8e471f31d87d
Autor:
Peter Kis, Eva Horváthová, Eliška Gálová, Andrea Ševčovičová, Veronika Antalová, Elena Karnišová Potocká, Vladimír Mastihuba, Mária Mastihubová
Publikováno v:
Molecules, Vol 26, Iss 24, p 7607 (2021)
Tyrosol (T) and hydroxytyrosol (HOT) and their glycosides are promising candidates for applications in functional food products or in complementary therapy. A series of phenylethanoid glycofuranosides (PEGFs) were synthesized to compare some of their
Externí odkaz:
https://doaj.org/article/18fe94e390db4512b6e16814c8044681
Publikováno v:
Czech Journal of Food Sciences, Vol 28, Iss 1, Pp 69-73 (2010)
Three glycosides of middle chain aliphatic alcohols (hexanol and heptanol) were prepared by enzymatic glycosidation. The preparation of hexyl β-D-glucopyranoside was achieved in moderate yields via reverse hydrolysis catalysed by defatted meals from
Externí odkaz:
https://doaj.org/article/3c881feb26f14f26bb56f9e26bb3aa86
Autor:
Klaudia Karkeszová, Monika Antošová, Elena Karnišová Potocká, Vladimír Mastihuba, Milan Polakovič
Publikováno v:
Bioprocess and Biosystems Engineering. 46:237-249
Tyrosol and hydroxytyrosol, by-products of olive oil production, are valuable substrates for enzymatic transglycosylation that can provide products with pharmaceutical potential. Phenylethanoid fructosides are produced from sucrose and phenylethanoid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d817a3a142771f209fa1860332fe75eb
https://doi.org/10.1007/s00449-022-02828-3
https://doi.org/10.1007/s00449-022-02828-3
Publikováno v:
International Journal of Molecular Sciences. 24:5943
A commercial glycosidase mixture obtained from Penicillium multicolor (Aromase H2) was found to comprise a specific diglycosidase activity, β-acuminosidase, alongside undetectable levels of β-apiosidase. The enzyme was tested in the transglycosylat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3b6e6e8b0b8f88e1c2892ebec9783b35
https://doi.org/10.3390/ijms24065943
https://doi.org/10.3390/ijms24065943
Publikováno v:
Acta Chimica Slovaca. 13:72-76
β-Apiosidase is a rare glycosidase applied in winemaking for flavour enhancement. This enzyme is involved in the release of volatile terpenes by hydrolysis of their odourless glycosidic precursors. It is found as a minor component in commercial pect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::01839fbde486444ac63cdf4783da0f73
https://doi.org/10.2478/acs-2020-0011
https://doi.org/10.2478/acs-2020-0011
Autor:
Iveta Uhliariková, Peter Kis, Vladimír Mastihuba, Mária Mastihubová, Stanislav Kozmon, Elena Karnišová Potocká
Publikováno v:
Food Chemistry. 274:543-546
Apiosidases are glycosidases relevant for aroma development during fermentation of wines and black tea. Reaction mechanism of apiosidase from Aspergillus aculeatus in commercial glycanase Viscozyme L was studied by 1H NMR technique. Study of hydrolys
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c00f25601e6a39247c9bff905a03022c
https://doi.org/10.1016/j.foodchem.2018.09.003
https://doi.org/10.1016/j.foodchem.2018.09.003
Publikováno v:
Food chemistry. 336
Dried flower buds of Japanese sophora (Sophora japonica) comprising rutinosidase activity were tested in rutinosylation of tyrosol via transglycosylation process from rutin. Optimal conditions for transrutinosylation of tyrosol were 49 mM rutin and 2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9313a845015daead27a35c1a962dbe99
https://pubmed.ncbi.nlm.nih.gov/32781353
https://pubmed.ncbi.nlm.nih.gov/32781353
Publikováno v:
Biocatalysis and Biotransformation. 37:18-24
Tyrosol β-d-fructofuranoside and hydroxytyrosol β-d-fructofuranoside have been synthesized as new compounds in 27.6 and 19.5% respective yields through transfructosylation of tyrosol and hydroxytyr...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::070745ab9e1fe9e0a7d1aef0874a7159
https://doi.org/10.1080/10242422.2017.1423060
https://doi.org/10.1080/10242422.2017.1423060