D-Turanose

D-Turanose

D-Turanose (CAS No. 547-25-1) is a naturally occurring reducing disaccharide composed of glucose and fructose units linked through an α-(1→3) glycosidic bond.chemicalbook+2

Chemical Identity and Structure

• IUPAC Name: α-D-glucopyranosyl-(1→3)-α-D-fructofuranosecymitquimica+1
• Synonyms: D-(+)-Turanose, 3-O-α-D-glucopyranosyl-D-fructose, 3-(α-D-Glucosido)-D-fructosechemicalbook+1
• Molecular Formula: C₁₂H₂₂O₁₁cymitquimica+1
• Molecular Weight: 342.30 g/molchemicalbook
• Structure: Contains a unique α(1→3) linkage between glucose and fructose, making it an analog of sucrose with differing metabolic properties.sciencedirect+1

Physical and Chemical Properties

• Appearance: White to light yellow crystalline powdertcichemicals+1
• Melting Point: Approximately 170 °C (decomposition)chemicalbook
• Boiling Point: Estimated around 397.76 °Cchemicalbook
• Solubility: Soluble in water (~0.1 g/mL), soluble in methanolchemicalbook
• Optical Rotation: +74 to +77° (c=4, H2O)tcichemicals
• Density: Approximately 1.41 g/cm³ (estimated)chemicalbook
• pKa: 12.67 ± 0.10 (predicted)chemicalbook

Biological and Functional Aspects

• Occurrence: Synthesized chemically; related disaccharide to sucrose found in some biological systems.wikipedia+1
• Function: Acts as a carbon source for some bacteria and fungi; involved in intracellular sugar signaling in plants via sucrose transporters.wikipedia+1
• Metabolic Notes: Unlike sucrose, D-turanose is not readily metabolized by higher plants.wikipedia

Storage and Handling

• Recommended Storage: Room temperature, cool and dark place below 15°C for optimal stability.tcichemicals
• Form: Solid crystalline powder.chemicalbook

Regulatory and Database Identifiers

D-Turanose is a functional oligosaccharide utilized in glycoscience research, plant carbohydrate signaling studies, and microbial metabolism investigations due to its unique structure and biological roles.cymitquimica+2