The meaning of zein is a protein from corn that lacks lysine and tryptophan and is used especially in making textile fibers, plastics, printing inks, coatings, and adhesives and sizes.Zein, also known as prolamin, is one of the most important cereal proteins, extracted from corn and fda approved for oral use (shah et al. , 2020).It is composed of four main proteins, î±, î², î³, and î´-zein, …The strongest impact of these biomaterials is clear in the field of smart medicines and biomedical engineering.Zein, a vegetal protein extracted from corn, is a suitable biomaterial for all the above …Zein's properties make it valuable in processed foods and pharmaceuticals, in competition with insect shellac.It is now used as a coating for candy, nuts, fruit, pills, and other encapsulated foods and drugs.