Draw the Haworth structure of the tetrasaccharide:

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
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II. Analysis. Given below is a schematic diagram for a simple analysis of a
novel tetrasaccharide isolated from a new species of red algae. Analyze
each step and the accompanied results of tests, and answer the succeeding
questions:
A
B
C
D
a1,4-endoglycosidase treatment
A
B
C
D
Benedict's test: (+)
Seliwanoff's test: (-)
Fehling's test: (+)
Seliwanoff's test: (-)
Bial's-Orcinol test: (+) Bial's-Orcinol test: (-)
Osazone test: needle-
like crystals,
2N HCI, 100°C,
60 mins.
formed 5 mins.
C
D
Benedict's test (-)
conc. HNO3: rhombic
crystals
Osazone test: broad,
flat crystals,
formed 15 mins.
Fehling's test: (+)
Seliwanoff's test: (+)
Bial's-Orcinol test: (-)
TLC Profile
Osazone test: needle-
like crystals,
formed 2 mins.
Fehling's test: (+)
rib
gal
glc
fru
man xyl
-
-
Transcribed Image Text:II. Analysis. Given below is a schematic diagram for a simple analysis of a novel tetrasaccharide isolated from a new species of red algae. Analyze each step and the accompanied results of tests, and answer the succeeding questions: A B C D a1,4-endoglycosidase treatment A B C D Benedict's test: (+) Seliwanoff's test: (-) Fehling's test: (+) Seliwanoff's test: (-) Bial's-Orcinol test: (+) Bial's-Orcinol test: (-) Osazone test: needle- like crystals, 2N HCI, 100°C, 60 mins. formed 5 mins. C D Benedict's test (-) conc. HNO3: rhombic crystals Osazone test: broad, flat crystals, formed 15 mins. Fehling's test: (+) Seliwanoff's test: (+) Bial's-Orcinol test: (-) TLC Profile Osazone test: needle- like crystals, formed 2 mins. Fehling's test: (+) rib gal glc fru man xyl - -
Draw the Haworth structure of the tetrasaccharide:
Transcribed Image Text:Draw the Haworth structure of the tetrasaccharide:
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