What structural characteristics are needed if a disaccharide is to be a reducing sugar?

Question

Question

Answer 1

Answer #1

Structural characteristics needed for a disaccharide to reduce sugar: One of the 2 units should have an open-chain form with an aldehyde group.

Two hypothetical non-reducing disaccharides composed of two aldohexose:

answered by: Anship

Answer 2

Similar Homework Help Questions

what structural feature of carbohydrate is characteristic of reducing sugar

what structural feature of carbohydrate is characteristic of reducing sugar
Explain how many REDUCING GROUPS are in the molecule disaccharide and Draw the structure showing Reducing...

Explain how many REDUCING GROUPS are in the molecule disaccharide and Draw the structure showing Reducing Sugars Draw the structural formula for a-D-glucosyl-(1->6) -D-mannosamine and circle the part of this structure that makes the compound a reducing sugar.
What is a reducing sugar? What is the significance of the reducing ability of a sugar?...

What is a reducing sugar? What is the significance of the reducing ability of a sugar? Questions 1. What is a reducing sugar? What is the significance of the reducing ability of a sugar? 2. Draw the structure of each sugar tested and indicate the reducing potential of each sugar. Were your results in agreement with those expected?

• Is the following disaccharide a reducing sugar? Explain. CH OH OHO ОН СН,ОН OH OH...

• Is the following disaccharide a reducing sugar? Explain. CH OH OHO ОН СН,ОН OH OH ОН 2. The following test results were observed in a lab experiment: • A reddish-orange solid with the Benedict test • A reddish precipitate with the Barfoed's test • A red color within 1 minute with the Seliwanoffs test • A yellow color with the iodine test Name the carbohydrate that you would expect to show these results.
Draw a non-reducing disaccharide using D-allose and L-xylose. 7. Draw a non-reducing disaccharide using D-al...

Draw a non-reducing disaccharide using D-allose and L-xylose. 7. Draw a non-reducing disaccharide using D-allose and L-xylose. 7.
II. Disaccharide/polysaccharide structure Disaccharide: Maltose 1. Give the full name of the disaccharide assigned to you,...

II. Disaccharide/polysaccharide structure Disaccharide: Maltose 1. Give the full name of the disaccharide assigned to you, containing the two monosaccharides and their isomeric forms. 2. Draw the disaccharide in ring form, and in the correct anomeric conformations. 3. Is your disaccharide a reducing or a non-reducing sugar? Explain your answer. 4. At least one of the monosaccharides that compose the disaccharide assigned to you is a pyranose. Select one of them, and draw its stereoisomer L-pyranose (with the same anomeric...

How is Barfoed reagent able to distinguish a reducing monosaccharide from a reducing disaccharide?

How is Barfoed reagent able to distinguish a reducing monosaccharide from a reducing disaccharide?
Problems and questions 1. Is the following disaccharide a reducing sugar? Explain. сн-Oн OH OH OH о CH2OH ОН OH Он...

Problems and questions 1. Is the following disaccharide a reducing sugar? Explain. сн-Oн OH OH OH о CH2OH ОН OH Он 2. The following test results were observed in a lab experiment: A reddish-orange solid with the Benedict' test A reddish precipitate with the Barfoed's test A red color within 1 minute with the Seliwanoff's test A yellow color with the iodine test Name the carbohydrate that you would expect to show these results. [Reminder: there is one more problem...
10. Consider the disaccharide below. a. Label any acetal and hemiacetal in the disaccharide. b. Number...

10. Consider the disaccharide below. a. Label any acetal and hemiacetal in the disaccharide. b. Number each monosaccharide ring. c. Classify the glycosidic linkage as a or B and use the numbers to designate its location. d. What monosaccharides form when the disaccharide is hydrolyzed? CH2OH - CH2OH Конвенон OH 9. Consider the following cyclic monosaccharide. a. Label the hemiacetal carbon. b. Label the monosaccharide as an aor B anomer. c. Draw the other anomer. d. Assume that this is...

Question 7: The structure of the disaccharide rutinose that is formed in this reaction is shown...

Question 7: The structure of the disaccharide rutinose that is formed in this reaction is shown below. The assay used to monitor the reaction measures the concentration of rutinose formed based on its reaction as a reducing sugar. Based on the structure of rutinose shown below, explain what part of the molecule makes it a reducing sugar. You can answer in words or draw an arrow to the part of the molecule that makes it a reducing sugar. OH HO...