Problems with Fehling's reagent

Diabetes is caused by excessive blood sugar or insufficient insulin secretion in the body. When excess glucose flows through the kidneys, the kidneys cannot fully absorb the glucose, and the unabsorbed glucose enters the urine, forming glycosuria. The Fehling reagent can identify glucose

Nephritis is caused by glomerular lesions. The glomerulus has a filtering effect and can filter out macromolecular substances. Protein is a macromolecular substance, so it usually cannot enter the urine. middle. However, when glomerular lesions occur, the filtration function is destroyed and the permeability increases. At this time, proteins can enter the urine.

The biuret reagent can identify proteins