The biuret test is a chemical test for proteins and polypeptides. It is based on the biuret reagent, a blue solution that turns violet upon contact with proteins, or any substance with peptide bonds.

Biuret is a member of the class of condensed ureas that is the compound formed by the condensation of two molecules of urea; the parent compound of the biuret group of compounds.

May 22, 2024 · Biuret Test is the test used to detect the presence of peptide bonds in the sample and to test for the presence of proteins or peptides.

Jun 3, 2025 · Biuret reagent is a blue-colored solution used to detect the presence of peptide bonds, a hallmark of proteins. When this reagent comes in contact with compounds containing two or more …

The biuret test is one of the methods of protein analysis. The biuret test is a colorimetric test that helps detect specific proteins or peptide bonds in given analytes. It is followed by spectrophotometry for …

Aug 21, 2025 · Beyond educational purposes, the Biuret test is utilized in food science to assess the protein content of various food products. This helps in nutritional labeling and quality control, allowing …

Nov 5, 2025 · The Biuret test is a straightforward chemical method used across biology and chemistry to determine the presence of proteins in a sample. It is a fundamental laboratory tool, offering a quick …

May 13, 2025 · The Biuret Assay, also known as Biuret Method, is a classical biochemical technique used for the quantification of proteins based on the presence of peptide bonds.

The biuret method is a colorimetric technique specific for proteins and peptides. Copper salts in alkaline solution form a purple complex with substances containing two or more peptide bonds.

In chemistry, the biuret test (IPA: / ˌbaɪjəˈrɛt /, / ˈbaɪjəˌrɛt / [1]), also known as Piotrowski's test, is a chemical test used for detecting the presence of at least two peptide bonds in a molecule.