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BIO NMDCAT Carbohydrates
nmdcat.online June 27, 2026

In the structure of the disaccharide sucrose, the linkage is specifically denoted as α-D-glucopyranosyl-(1→2)-β-D-fructofuranoside. The “β” in this name refers to the anomeric configuration of the

A. Glucose unit
B. Fructose unit
✓
C. Glycosidic bond linking the two sugars
D. Reducing end of the disaccharide

📝 Explanation

In the full chemical name of a disaccharide, the glycosidic bond is specified, and the configuration at the anomeric carbon of the non-reducing sugar is named last. Here, "β-D-fructofuranoside" indicates that the fructose unit is in the β-configuration at its anomeric carbon (C-2).

📖 Additional Information

  • Glucose unit
  • Fructose unit
  • Glycosidic bond linking the two sugars
  • Reducing end of the disaccharide

In the full chemical name of a disaccharide, the glycosidic bond is specified, and the configuration at the anomeric carbon of the non-reducing sugar is named last. Here, "β-D-fructofuranoside" indicates that the fructose unit is in the β-configuration at its anomeric carbon (C-2).

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