Glucono delta-lactone
Chemical compound / From Wikipedia, the free encyclopedia
Glucono-delta-lactone (GDL), also known as gluconolactone, is an organic compound with the formula (HOCH)3(HOCH2CH)CO2. A colorless solid, it is an oxidized derivative of glucose.
Quick Facts Names, Identifiers ...
| |||
Names | |||
---|---|---|---|
IUPAC name
D-Glucono-1,5-lactone | |||
Systematic IUPAC name
(3R,4S,5S,6R)-3,4,5-Trihydroxy-6-(hydroxymethyl)oxan-2-one[2] | |||
Identifiers | |||
| |||
3D model (JSmol) |
|||
ChEBI | |||
ChEMBL | |||
ChemSpider |
| ||
DrugBank |
| ||
ECHA InfoCard | 100.001.833 | ||
EC Number |
| ||
E number | E575 (acidity regulators, ...) | ||
KEGG |
| ||
PubChem CID |
|||
UNII | |||
CompTox Dashboard (EPA) |
|||
| |||
| |||
Properties | |||
C6H10O6 | |||
Molar mass | 178.140 g·mol−1 | ||
Melting point | 150–153 °C (302–307 °F; 423–426 K) | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|
Close
It is typically produced by the aerobic oxidation of glucose in the presence of the enzyme glucose oxidase. The conversion cogenerates hydrogen peroxide, which is often the key product of the enzyme:
- C6H12O6 + O2 → C6H10O6 + H2O2
Gluconolactone spontaneously hydrolyzes to gluconic acid:[4]
- C6H10O6 + H2O → C6H12O7