Litmus Milk is differential media containing milk, litmus (a pH and oxidation-reduction indicator), lactose, and casein (a milk protein) all of which can be metabolized by some bacteria. Litmus milk also contains sulfur and many nutrients that are found in milk making it is an undefined media that is used to help differentiate and identify ... | Reagents | Principle | Test for | Positive Result | Negative Result | Biuret | CuSO4, NaOH | Complexation of Cu+2 with amide N atoms | Polypeptide bonds | Violet/purple solution | Blue color solution | Sakaguchi | 10% NaOH, 0.02% α-naphtol solution, 2% NaOBr | arginine condenses with α-naphtol and NaOH | Guanido group (arginine) | orange ...
Providing 30 ways to add a little pizzazz to your coffee, Coffee-mate non-dairy coffee creamer comes in 23 regular flavors and seven seasonal flavors. Coffee-mate is available in reduced fat, sugar free, liquid and powder forms. Biuret Test Biuret test is used for detecting the presence of peptide bonds. The biuret test relies on the reaction between copper (II) ions and peptide bonds in an alkaline solution. A violet coloration indicates the presence of proteins. Both the intact and the hydrolyzed casein indicated a positive result in this test.
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