Course Content
Biochemistry and molecular logic of life
0/1
Learn General Biochemistry with Rahul
About Lesson

Reaction to test protein in lab

a) Biuret test:

  • The formation of violet coloration confirms the presence of protein.

b) Xanthoproteic test:

c) Millon’s test:

  • The phenolic group of tyrosine and protein react with mercuric sulfate in the presence of sodium nitrate and sulfuric acid to give a red color.

d) Ninhydrin test:

  • The presence of violet color confirms the presence of protein
Verified by MonsterInsights