A Benedict's test: (+) Seliwanoff's test: (-) Bial's-Orcinol test: (+) TLC Profile rib gal gic A B 0 B fru man xyl C Fehling's test: (+) Seliwanoff's test: (-) Bial's-Orcinol test: (-) Osazone test: needle- like crystals, formed 5 mins. a1,4-endoglycosidase treatment C conc. HNO3: rhombic crystals Osazone test: broad, flat crystals, formed 15 mins. Fehling's test: (+) C 2N HCI, 100°C, 60 mins. Benedict's test (-) Fehling's test: (+) Seliwanoff's test: (+) Bial's-Orcinol test: (-) Osazone test: needle- like crystals, formed 2 mins.

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
Problem 1P
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Question

1. What is the identity of the monosaccharide components of the tetrasaccharide:

A.

B.

C.

D.

2. Give the Haworth structure of the tetrasaccharide

A H B
C
D
a1,4-endoglycosidase treatment
A
B
C
D
Benedict's test: (+)
Seliwanoff's test: (-)
Bial's-Orcinol test: (+)
Fehling's test: (+)
Seliwanoff's test: (-)
Bial's-Orcinol test: (-)
2N HCI, 100°C,
60 mins.
Osazone test: needle-
like crystals,
formed 5 mins.
C
D
Benedict's test (-)
conc. HNO3: rhombic
crystals
Osazone test: broad,
flat crystals,
Fehling's test: (+)
Seliwanoff's test: (+)
Bial's-Orcinol test: (-)
TLC Profile
Osazone test: needle-
formed 15 mins.
like crystals,
Fehling's test: (+)
formed 2 mins.
+
+
glc
rib
gal
fru
man xyl
Transcribed Image Text:A H B C D a1,4-endoglycosidase treatment A B C D Benedict's test: (+) Seliwanoff's test: (-) Bial's-Orcinol test: (+) Fehling's test: (+) Seliwanoff's test: (-) Bial's-Orcinol test: (-) 2N HCI, 100°C, 60 mins. Osazone test: needle- like crystals, formed 5 mins. C D Benedict's test (-) conc. HNO3: rhombic crystals Osazone test: broad, flat crystals, Fehling's test: (+) Seliwanoff's test: (+) Bial's-Orcinol test: (-) TLC Profile Osazone test: needle- formed 15 mins. like crystals, Fehling's test: (+) formed 2 mins. + + glc rib gal fru man xyl
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