phenolic compounds can tell you by using this test that a substance contains protein.
phenolic compounds can tell you by using this test that a substance contains protein.
how can you tell by using this test that a substance contains protein?
phenolic compounds
an aqueous sample is treated with an equal volume of 1% strong base (sodium or potassium hydroxide) followed by a few drops of aqueous copper(ii) sulfate. if the solution turns purple, it contains protein. 5–160 mg/ml can be determined. peptides with the correct length of at least 3 amino acids are necessary for a significant, measurable colour shift with these reagents.









































section::::biuret reagent.
biuret test
the palace of bemposta is located in the "largo do paço da rainha" on the eastern border of pena with anjos. the principal building, used by the military academy, fronts the "largo" ("square") across from the clock-tower and mitelo palace, in proximity of the quartel do cabeço da bola, "jardim do campo mártires da pátria" ("garden of campo mártires da pátria") and miguel bombarda hospital.
bemposta palace