Ceviche

Ceviche is a product prepared by marinating raw fish fillets or raw fish mince in lime juices or lemon juices with olive oils, spices, and sometimes onions, green peppers or tomatoes. The citric acid in the juices causes denaturation of the fish proteins, increasing flesh firmness and turning it opaque as if cooked. Eaten usually as an appetizer, particularly in Central and South America, it is refreshing and bright. Consumption has been associated with outbreaks of food poisoning or anisakiasis where infected fish is used, since acid alone does not kill all hazards.