Entrapment of Glucose Oxidase and Catalase in Silica-Calcium-Alginate Hydrogel Reduces the Release of Gluconic Acid in Must.
acidity
hybrid capsule
organic-inorganic gel
siliceous material
sol–gel network
Journal
Gels (Basel, Switzerland)
ISSN: 2310-2861
Titre abrégé: Gels
Pays: Switzerland
ID NLM: 101696925
Informations de publication
Date de publication:
01 Aug 2023
01 Aug 2023
Historique:
received:
07
07
2023
revised:
26
07
2023
accepted:
28
07
2023
medline:
25
8
2023
pubmed:
25
8
2023
entrez:
25
8
2023
Statut:
epublish
Résumé
Glucose oxidase (GOX) and catalase (CAT) were co-immobilized in silica-calcium-alginate hydrogels to degrade must glucose. The effect of the enzyme dose (1.2-2.4 U/mL), the initial must pH (3.6-4.0), and the incubation temperature (10-20 °C) on the glucose consumption, gluconic acid concentration, pH, and color intensity of Verdejo must was studied by using a Box-Behnken experimental design and comparing free and co-immobilized enzymes. A reduction of up to 37.3 g/L of glucose was observed in co-immobilized enzyme-treated must, corresponding to a decrease in its potential alcohol strength of 2.0% vol. (
Identifiants
pubmed: 37623077
pii: gels9080622
doi: 10.3390/gels9080622
pmc: PMC10454090
pii:
doi:
Types de publication
Journal Article
Langues
eng
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