what is avidin
Avidin is a protein found in the eggs of birds, amphibians, and reptiles. It is produced in the oviducts of these animals.hen an egg is cooked, the avidin inside the egg white is deactivated, but biotin present in the egg yolk is unaffected. Ad. A biotin deficiency causes hair loss, a scaly rash around the eyes, and high cholesterol in the blood.