bile has a very important function in assisting in the digestion and absorption of lipid, particularly the triacylglycerols. lipises are active mainly at the lipid-water interface formed by the emulsification of the lipid. the presence of bile can bring the and lipids into closer contact. bile is a mixture of water, electrolytes, bile salt, bilirubin,detoxified xenobiotics and residues of steroid hormones.