A tortilla chip seems so simple (corn, oil, salt) but the intersection of synthetic chemistry and food manufacturing has taken us far away from simple and much closer to complex. Instead of nacho cheese, we eat synthesized substances meant to approximate the flavor or texture of cheese, no milk products involved. Preservation, emulsification, hydrogenation, distillation, and esterification has resulted in some good things (like reduced spoilage and food borne diseases), but has also resulted in some questionable food additives like the compounds below.