Kojibiose

Kojibiose is a disaccharide. It is a product of the caramelization of glucose.[1] It is also present in honey (approx. 3%).[2]

Kojibiose
Names
IUPAC name
(2R,3S,4R,5R)-3,4,5,6-tetrahydroxy-2-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyhexanal
Other names
2-alpha-D-glucosyl-D-glucose
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
MeSH Kojibiose
UNII
Properties
C12H22O11
Molar mass 342.30 g/mol
Density 1.688 g/mL
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Kojibiose has a mild sweet taste, but low calorie count. In combination with its prebiotic properties, kojibiose could function as a sugar substitute. However, kojibiose is hard to synthesize on an industrial scale. Recently, two enzyme approaches transforming sucrose and lactose or sucrose and glucose into kojibiose have been developed, potentially solving the synthetization problem. [3] [4]

References

  1. Sugisawa, Hirqshi; Edo, Hiroshi (1966). "The Thermal Degradation of Sugars I. Thermal Polymerization of Glucose". Journal of Food Science. 31 (4): 561. doi:10.1111/j.1365-2621.1966.tb01905.x.
  2. Siddiqua, I.R; Furgala, B (1967). "Isolation and characterization of oligosaccharides from honey". Journal of Apicultural Research. 6 (3): 139–145.
  3. Diez-Municio, Marina; Montilla, Antonia; Moreno, F. Javier; Herrero, Miguel (2014). "A sustainable biotechnological process for the efficient synthesis of kojibiose". Green Chemistry. 16 (4): 2219–2226. doi:10.1039/C3GC42246A. hdl:10261/99797.
  4. Verhaeghe, Tom; De Winter, Karel (2016). "Converting bulk sugars into prebiotics: semi-rational design of a transglucosylase with controlled selectivity". Chemical Communications. 52 (18): 2687–3689. doi:10.1039/C5CC09940D.
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