... healthy, and have weight increase. Recombinant human epidermal growth factor (EGF), one of human growth factors, is a 6.2 ... acid excretion. 4. accelerating the proliferation of epithelial cells in human and animals. 5. facilitating the biosynthesis of protein, rna, ... as well as metabolic activity in epidermal cells. Recombinant human epidermal growth factor has the function of accelerating the healing ...