Proteins Flashcards
1
Q
Biuret Test
A
Color varies from pink to blue
Proteins, Peptides
2
Q
Ninhydrin Test
A
Intense blue or purple compound
Amino Acids, Proteins
3
Q
Xanthoproteic Test
A
Orange colored derivative salts
Tyrosine, Tryptophan
4
Q
Millon’s Test
A
Old rose-colored complex
Tyrosine
5
Q
Bromine Water Test
A
Pinkish lavender complex
Tryptophan
6
Q
Hopkins-Cole Reaction
A
Violet complex
Tryptophan
7
Q
Pauly Reaction
A
Highly colored dyes (normally red)
Tyrosine, Histidine
8
Q
Folin’s McCarthy Sullivan Test
A
Red color
Methionine
9
Q
Lead Acetate Reaction
A
Black precipitate
Cysteine, Cystine
10
Q
Nitroprusside Reaction
A
Red compound: free sulfhydryl group
Purple: disulfide bonds
Cysteine, Cystine
11
Q
Sakaguchi Reaction
A
Red or orange color
Arginine
12
Q
Schiff’s Test
A
Magenta color
Lysine
13
Q
Isatin Test
A
Blue colored product
Proline
