Food tartare are dishes made from diced or ground raw beef or salmon, mixed with various ingredients and served with baguettes, brioche, or frites. In Italy, carpaccio is a dish of very thinly sliced raw beef, drizzled with a vinaigrette made with olive oil. The health food movement known as raw foodism promotes a mostly vegan diet of raw fruits, vegetables, and grains prepared in various ways, including juicing, food dehydration, sprouting, and other methods of preparation that do not heat the food above . An example of a raw meat dish is ceviche, a Latin American dish made with raw
Raw meat that many consumers do not re-cook them, believing them to be safe. "E." coli, "Salmonella" and "Shigella" have all been found in RTE products. A study of working practices in shops selling raw meats (including butcher’s shops, supermarkets and general stores) published in the "Journal of Hygiene", found pathogens on slicing machines, wiping cloths, worker’s hands, towels, and nail brushes. This facilitated the contamination of already cooked meats. This example shows the need of a method of detection. The traditional method is based on using cultures examined under a microscope, which is time-consuming. A method tested in 2005 in a