Zobrazeno 1 - 10
of 53
pro vyhledávání: '"Vladimír Štefuca"'
Publikováno v:
Molecules, Vol 28, Iss 7, p 3281 (2023)
Maltooligosaccharides (MOS) are homooligosaccharides that consist of 3–10 glucose molecules linked by α-1,4 glycosidic bonds. As they have physiological functions, they are commonly used as ingredients in nutritional products and functional foods.
Externí odkaz:
https://doaj.org/article/52b12b619b4f43d19806119d33a13bbd
Publikováno v:
Applied Sciences, Vol 13, Iss 6, p 3399 (2023)
β-N-acetylhexosaminidases have great potential in applied biocatalysis owing to their ability to act on a wide range of natural and modified substrates. In this work, β-N-acetylhexosaminidases from four Penicillium crustosum strains (PcHex) were st
Externí odkaz:
https://doaj.org/article/56bff09697be4bfc854865049b55e642
Autor:
Viktor Varga, Vladimír Štefuca, Lenka Mihálová, Zdenko Levarski, Eva Struhárňanská, Jaroslav Blaško, Robert Kubinec, Pavel Farkaš, Vladimír Sitkey, Ján Turňa, Michal Rosenberg, Stanislav Stuchlík
Publikováno v:
Frontiers in Microbiology, Vol 12 (2021)
The aim of this study was to develop immobilized enzyme systems that reduce carbonyl compounds to their corresponding alcohols. The demand for natural aromas and food additives has been constantly growing in recent years. However, it can no longer be
Externí odkaz:
https://doaj.org/article/a9d9069adee2449ab9a6f6ce12206d78
Autor:
Helena Hronská, Vladimír Štefuca, Ema Ondrejková, Mária Bláhová, Jozef Višňovský, Michal Rosenberg
Publikováno v:
Catalysts, Vol 12, Iss 5, p 474 (2022)
α-Nitrophenyl derivatives of glycosides are convenient substrates used to detect and characterize α-N-acetylgalactosaminidase. A new procedure combining chemical and biocatalytic steps was developed to prepare 4-nitrophenyl-2-acetamido-2-deoxy-α-D
Externí odkaz:
https://doaj.org/article/755d435b808f48d5af1fbca2475d3ab0
Publikováno v:
Catalysts, Vol 11, Iss 10, p 1201 (2021)
Cis-3-hexenal and its more stable isomer, trans-2-hexenal, are highly valued chemicals used in the food and perfume industries. They are produced by the plant lipoxygenase pathway, where two enzymes, lipoxygenase (LOX) and hydroperoxide lyase (HPL),
Externí odkaz:
https://doaj.org/article/c23e3af6bbd04a6b94cfb18aebb21ff7
Publikováno v:
Catalysts, Vol 11, Iss 1201, p 1201 (2021)
Catalysts
Volume 11
Issue 10
Catalysts
Volume 11
Issue 10
Cis-3-hexenal and its more stable isomer, trans-2-hexenal, are highly valued chemicals used in the food and perfume industries. They are produced by the plant lipoxygenase pathway, where two enzymes, lipoxygenase (LOX) and hydroperoxide lyase (HPL),
Publikováno v:
Chemical Papers. 73:1813-1821
Gluconobacter oxydans can be used as a whole-cell biocatalyst in many industrial processes focused on production of carbonyl and carboxylic compounds by oxidation of respective alcohols. However, high biocatalyst production costs limit its widespread
Publikováno v:
Acta Chimica Slovaca. 11:163-169
Leaves of the plant Plantago lanceolata contain many economically interesting bioactive compounds, among them aucubin and catalpol are the most attractive. However, soluble saccharides passing to water extracts during isolation complicate chromatogra
Publikováno v:
Acta Chimica Slovaca. 8:156-165
2(E)-hexenal is a green note flavour molecule that is widely used in various compositions of aromas, flavours and perfumery. As there is considerable demand for naturally produced aromas this article deals with some aspects of this C6-volatile produc
Autor:
Vladimír Štefuca, Alica Vikartovská, Jan Tkac, Dusan Chorvat, Aniko Bertokova, Peter Gemeiner, Vilém Neděla, Marek Bučko
Publikováno v:
Biocatalysis and Biotransformation. 33:111-120
A high-performance biocatalyst in the form of encapsulated cells of Gluconobacter oxydans have been developed for production of phenylacetic acid (PAA) as a natural flavor component. Polyelectrolyte complex (PEC) capsules consisting of sodium alginat