Amino Sugars Flashcards
1
Q
Amino Sugars
A
D-glucosamine
D-Galactosamine
2
Q
OH group at carbon atom 2 is replaced by an amino group
- Acetylated
- component of glcosphingolipids, mucoproteins, and antibiotics
A
D-glucosamine
D-Galactosamine
3
Q
Fehling’s Test
Benedict’s Test
A
Sugars with free aldehyde or ketone group capable of reducing certain oxidizing reagents.
4
Q
What is the favorite type of reagent?
A
alkaline cupric solution
5
Q
alkaline cupric solution
A
cupric ions reduced to cuprous ions and formation of yellow to brick red precipitate
6
Q
cupric ions reduced to cuprous ions and formation of yellow to brick red precipitate
A
alkaline cupric solution
7
Q
sugar + alkali —->
A
1:2 enediol
8
Q
what is 1:2 enediol? What test is it used for?
A
reducing agent
Fehling’s test and Benedict’s test
9
Q
what color is the precipitate?
A
yellow to brick red precipitate
