molisch's test Flashcards
1
Q
ano ang maglabas na color sa negative
A
colorless
2
Q
ano ang maglabas na color sa positive reaction
A
purple/violet ring
3
Q
what are the samples?
A
glucose, lactose, sucrose, starch, furfural
4
Q
draw the chemical reaction of molisch’s test
A
5
Q
formed from hexose sugar
A
hydroxymethylfurfural
6
Q
what are the reagents used
A
H2SO4 (concentrated sulfuric acid)
molisch’s reagent
7
Q
give the purpose of the test of molisch’s test
A
to detect the presence of carbohydrates (monosaccharides, disaccharides, polysaccharides) and glycoprotein in an analyte
can be used to differentiate proteins and amino acids from carbohydrates
8
Q
formed from pentose sugar
A
furfural
9
Q
give the components of molisch’s reagent
A
ethanol (C2H5OH) & 5 % a-naphthol (C10H8OH)
