Albumin as a noun is a class of monomeric proteins that are soluble in water, and are coagulated by heat; they occur in egg white, milk etc; they function as carrier protein for steroids, fatty acids, and thyroid hormones and play a role in stabilizing extracellular fluid volume while Albumen as a noun is the white part of an egg; being mostly the protein albumin and water.
Part of speech: noun
Definition: A class of monomeric proteins that are soluble in water, and are coagulated by heat; they occur in egg white, milk etc; they function as carrier protein for steroids, fatty acids, and thyroid hormones and play a role in stabilizing extracellular fluid volume
Part of speech: noun
Definition: The white part of an egg; being mostly the protein albumin and water.
We hope you now know whether to use Albumin or Albumen in your sentence.