Carbohydrates
Carbohydrates are the organic compounds that are obtained in foods and living matters in the shape of sugars, cellulose, and starch. The general formula of carbohydrates is Cn(H2O)2. The ratio of H and O present in carbohydrates is identical to water.
Starch
Starch is a polysaccharide carbohydrate that belongs to the category of polysaccharide carbohydrates.
Mutarotation
The rotation of a particular structure of the chiral compound because of the epimerization is called mutarotation. It is the repercussion of the ring chain tautomerism. In terms of glucose, this can be defined as the modification in the equilibrium of the α- and β- glucose anomers upon its dissolution in the solvent water. This process is usually seen in the chemistry of carbohydrates.
L Sugar
A chemical compound that is represented with a molecular formula C6H12O6 is called L-(-) sugar. At the carbon’s 5th position, the hydroxyl group is placed to the compound’s left and therefore the sugar is represented as L(-)-sugar. It is capable of rotating the polarized light’s plane in the direction anticlockwise. L isomers are one of the 2 isomers formed by the configurational stereochemistry of the carbohydrates.
Draw a diastereomers of D- Glucose
![Transcription of Image for Educational Website:
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**Glucose Structure and Analysis**
Image Description: The diagram on the top left shows the open-chain structure of glucose with six carbon atoms and respective hydroxyl (OH) groups, showing the configuration of its stereochemistry. A smaller ring structure to the right represents the cyclic form.
1. **The above structure is glucose.**
a. Is the above sugar D or L?
- **Answer:** D
b. Draw the other structure.
- [Space for drawing]
c. Is glucose an aldehyde or a ketone?
- **Answer:** Aldehyde
d. How many carbon (C) atoms does it have?
- **Answer:** 6
e. How many chiral carbon (C) atoms does it have?
- **Answer:** 4
f. Draw the L structure.
- [Space for drawing]
g. Are the two structures enantiomers or diastereomers?
- [Space for answer]
h. Draw a diastereomer of D-Glucose.
- [Space for drawing]
i. Draw the ringed structure for D-Glucose.
- [Space for drawing]
j. Label the anomeric carbon.
- [Space for labeling]
k. Draw both the α and β anomer.
- [Space for drawing]
l. Is the ring a pyranose or a furanose ring?
- [Space for answer]
This educational component encourages students to visualize and comprehend the structural properties and isomerism of glucose, crucial for understanding carbohydrate chemistry.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc0da3887-c4ea-4b9e-9efc-f9c8b5a90f3a%2Fe16decb0-ef58-46b7-ba24-88fab8a66d03%2Fm4jd6e.jpeg&w=3840&q=75)
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