ANATOMY AND PHYSIOLOGY OF REPRODUCTIVE SYSTEM.pptx
Identification of unknown carbohydrate solution
1.
2. Unknown carbohydrate solution
Molisch’s test – reddish violet ring
Iodine test
Deep blue color
Polysaccharide
(starch)
Confirmatory tests
-Benedict’s test
(No red ppt)
-Benedict’s test after
hydrolysis (Red ppt)
No deep blue color
May be mono or disaccharide
Benedict’s test
Red ppt
(Reducing mono or disaccharide)
No red ppt.
(Non-reducing)
sucrose
Confirmatory tests
- Benedict’s test
after hydrolysis
- Seliwanoff’s test
Barfoed’s test
Red scum (Reducing
monosaccharide )
No red scum
Reducing disaccharide
Seliwanoff’s test
Cherry red color (fructose) No cherry red color (glucose)
Osazone test
Osazone test