What are Amino Acids? Amino acids constitute a group of neutral products clearly distinguished from other natural compounds chemically, mainly because of their ampholytic properties, and biochemically, mainly because of their role as protein constituents. An amino acid is a … Read more
What is a peptide? A peptide is a short-chain made up of amino acid which, together with other peptides, forms a protein. The number of amino acids in a peptide can range from two amino acids to fifty amino acids. … Read more
Sullivan and McCarthy’s Test Definition Sullivan and McCarthy’s test is a biochemical test for the detection of the amino acid methionine or methionine-containing proteins. The test is a specific test for methionine which has a high degree of specificity towards … Read more
Solubility Tests of Proteins Definition Solubility tests are tests performed to determine the ability of compounds to dissolve in a solvent, which is usually a liquid. These tests are essential to determine the size and polarity of unknown compounds and … Read more
Nitroprusside Test Definition Nitroprusside test is a biochemical test used for the detection of the free –SH groups in amino acids or the cysteine amino acid in a protein. The test is a specific test for cysteine as it is … Read more
Millon’s Test Definition Millon’s test is an analytical test used for the detection of the amino acid tyrosine, which is the only amino acid containing the phenol group. Millon’s test is a specific test for tyrosine, but it is not … Read more
Acree-Rosenheim test definition Acree-Rosenheim Test is a biochemical test used for the detection of tryptophan molecules in a protein sample. Acree-Rosenheim test is one of the essential tests for the confirmation of formaldehyde in the milk as milk vendors use … Read more
Ninhydrin Test Definition Ninhydrin test is a chemical test performed to detect the presence of ammonia, primary/secondary amines, or amino acids. This test involves the addition of ninhydrin reagent to the test sample that results in the formation of deep … Read more