G4750

D-(+)-Gluconic acid δ-lactone

≥99.0% (GC)

• Synonim(y): Glucono delta-lactone, δ-Gluconolactone, 1,2,3,4,5-Pentahydroxycaproic acid δ-lactone, D-(+)-Dextronic acid δ-lactone
• Wzór empiryczny (zapis Hilla): C₆H₁₀O₆
• Numer CAS: 90-80-2
• Masa cząsteczkowa: 178.14
• Beilstein: 83286
• Numer WE: 202-016-5
• Numer MDL: MFCD00006647
• Kod UNSPSC: 12352201
• Identyfikator substancji w PubChem: 24895183
• NACRES: NA.25

Właściwości

• pochodzenie biologiczne: microbial
• Próba: ≥99.0% (GC)
• Postać: powder
• metody: gas chromatography (GC): suitable
• kolor: white to off-white
• mp: 160 °C (dec.) (lit.)
• rozpuszczalność: water: soluble
• temp. przechowywania: room temp
• ciąg SMILES: OC[C@H]1OC(=O)[C@H](O)[C@@H](O)[C@@H]1O
• InChI: 1S/C6H10O6/c7-1-2-3(8)4(9)5(10)6(11)12-2/h2-5,7-10H,1H2/t2-,3-,4+,5-/m1/s1
• Klucz InChI: PHOQVHQSTUBQQK-SQOUGZDYSA-N

Opis

Opis ogólny

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.

Zastosowanie

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

Działania biochem./fizjol.

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

Inne uwagi

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Informacja o środkach bezpieczeństwa

• Kod klasy składowania: 11 - Combustible Solids
• Klasa zagrożenia wodnego (WGK): WGK 1
• Temperatura zapłonu (°F): Not applicable
• Temperatura zapłonu (°C): Not applicable
• Środki ochrony indywidualnej: Eyeshields, Gloves, type N95 (US)