Genipin: A natural blue pigment for food and health purposes

• Natural blue pigment obtained from Gardenia sp and Genipina americana L. • Dietary blue pigments derived from genipin as an alternative for the food industry. • Genipin-crosslinked biopolymers medical, pharmaceutical and industrial applications. • Genipin as carrier agent of drugs or bioactive compounds . • Therapeutic effects of genipin in diverse diseases.