Results 41 to 50 of about 432 (153)

Expanding the enzyme repertoire for sugar nucleotide epimerization : the CDP-tyvelose 2-epimerase from Thermodesulfatator atlanticus for glucose/mannose interconversion [PDF]

open access: yes, 2021
Epimerization of sugar nucleotides is central to the structural diversification of monosaccharide building blocks for cellular biosynthesis. Epimerase applicability to carbohydrate synthesis can be limited, however, by the high degree of substrate ...
Beerens, Koen   +5 more
core   +2 more sources

Improved Performance of D-Psicose 3-Epimerase by Immobilisation on Amino-Epoxide Support with Intense Multipoint Attachment

open access: yesFoods, 2021
D-allulose is an epimer of D-fructose at the C-3 position. With similar sweetness to sucrose and a low-calorie profile, D-allulose has been considered a promising functional sweetener.
Yifan Bu   +3 more
doaj   +1 more source

Research Progress on Efficient Biocatalytic Synthesis of D-Allulose(D-阿洛酮糖的高效生物催化合成研究进展) [PDF]

open access: yesShipin kexue jishu xuebao
D-allulose is a novel low-calorie rare sugar with special physiological functions, including blood sugar regulation and antioxidant effects. In present, the biological synthesis of D-allulose mainly utilized D-allulose 3-epimerase to catalyze the ...
QIN Huimin(秦慧民)   +4 more
doaj   +1 more source

Conversion of xylan by recyclable spores of Bacillus subtilis displaying thermophilic enzymes [PDF]

open access: yes, 2017
Background: The Bacillus subtilis spore has long been used to display antigens and enzymes. Spore display can be accomplished by a recombinant and a non-recombinant approach, with the latter proved more efficient than the recombinant one.
Cangiano, Giuseppina   +6 more
core   +2 more sources

Update of the list of QPS‐recommended biological agents intentionally added to food or feed as notified to EFSA 12: suitability of taxonomic units notified to EFSA until March 2020

open access: yesEFSA Journal, Volume 18, Issue 7, July 2020., 2020
Abstract The qualified presumption of safety (QPS) was developed to provide a generic safety evaluation for biological agents to support EFSA's Scientific Panels. It is based on an assessment of the taxonomic identity, the body of knowledge, safety concerns and antimicrobial resistance.
EFSA Panel on Biological Hazards (BIOHAZ)   +26 more
wiley   +1 more source

D-ALOSA: UN AZÚCAR POCO FRECUENTE PARA ENDULZAR A LAS CÉLULAS CANCEROSAS [PDF]

open access: yes, 2022
D-Allose is considered a rare sugar with potential to regulate glucose metabolism. In this review of the literature, scientific evidence is presented to support the role of D-Allose as an antiproliferative inhibitor of a variety of cancers by principally
Gutiérrez-Pajares, Jorge
core   +2 more sources

Enzyme Immobilization on Synthesized Nanoporous Silica Particles and their Application in a Bi‐enzymatic Reaction

open access: yesChemCatChem, Volume 12, Issue 8, Page 2245-2252, April 20, 2020., 2020
Different immobilization methods were evaluated for application of two biocatalysts in a cofactor dependent reaction. Promising immobilization and activity yields were obtained by covalent immobilization on synthesized hydrophilic silica particles. High reaction stabilities for the two immobilized enzymes resulted in a 10‐fold increase of the turnover ...
Claudia Engelmann   +7 more
wiley   +1 more source

Retrofitting a typical South African sugar mill to co-produce a range of alternative sweeteners: a stochastic techno-economic study [PDF]

open access: yes, 2023
Thesis (MEng)--Stellenbosch University, 2023.ENGLISH ABSTRACT: An alternative to the current trend of maximizing sugar recovery in a three-stage sugar crystallization process, is the diversion of A-molasses into an annexed biorefinery to produce ...
Amanful, Bright
core   +1 more source

Molecular biology interventions for activity improvement and production of industrial enzymes [PDF]

open access: yes, 2020
Metagenomics and directed evolution technology have brought a revolution in search of novel enzymes from extreme environment and improvement of existing enzymes and tuning them towards certain desired properties. Using advanced tools of molecular biology
Bhatia, Shashi Kant   +8 more
core   +1 more source

Study on Synthesis of D-Allulose from D-Glucose Catalyzed by Fusion Proteins(融合蛋白催化D-葡萄糖合成D-阿洛酮糖的研究) [PDF]

open access: yesShipin kexue jishu xuebao
D-allulose is a novel functional sugar substitute primarily produced from the high-cost substrate D-fructose, using D-allulose 3-epimerase to achieve the conversion.
ZHANG Jiahe(张家赫)   +6 more
doaj   +1 more source

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