G4750

D-(+)-Gluconic acid δ-lactone

≥99.0% (GC)

• Synonyme(s) : Glucono delta-lactone, δ-Gluconolactone, 1,2,3,4,5-Pentahydroxycaproic acid δ-lactone, D-(+)-Dextronic acid δ-lactone
• Formule empirique (notation de Hill) : C₆H₁₀O₆
• CAS Number: 90-80-2
• Poids moléculaire : 178.14
• Beilstein: 83286
• Numéro CE : 202-016-5
• Numéro MDL: MFCD00006647
• Code UNSPSC : 12352201
• ID de substance PubChem : 24895183
• Nomenclature NACRES : NA.25

Propriétés

• Source biologique: microbial
• Niveau de qualité: 300
• Essai: ≥99.0% (GC)
• Forme: powder
• Technique(s): gas chromatography (GC): suitable
• Couleur: white to off-white
• Pf: 160 °C (dec.) (lit.)
• Solubilité: water: soluble
• Température de stockage: room temp
• Chaîne SMILES: OC[C@H]1OC(=O)[C@H](O)[C@@H](O)[C@@H]1O

Description

Description générale

D-(+)-Gluconic acid δ-lactone (GDL) is soluble in water and hydrolyzes into gluconic acid spontaneously and homogeneously lowers the pH. Quinoprotein glucose dehydrogenase converts D-glucose to GDL which gradually lowers the pH and transcriptionally controls the prodigiosin production. GDL is commonly used in the food industry to cause gelation of sodium caseinate by acidification. GDL helps to overcome the difficulties and variations of using starter bacterial cultures.

Application

D-(+)-Gluconic acid δ-lactone has been used in the preparation of cold set gels, and hydrogels.

Actions biochimiques/physiologiques

Glucono-d-lactone increased the doubling time and activated enzymes involved in the oxidative pentose phosphate pathway of Saccharomyces cerevisiae.

Autres remarques

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Informations sur la sécurité

• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable
• Équipement de protection individuelle: Eyeshields, Gloves, type N95 (US)