La higiene de alimentos incluye cierto número de rutinas que deben realizarse al manipular los alimentos con el objetivo de prevenir daños potenciales a la salud. Los alimentos pueden transmitir enfermedades de persona a persona así como ser un medio de crecimiento de ciertas bacterias (tanto en el exterior como en el interior del alimento) que pueden causar intoxicaciones alimentarias. Los alimentos no vigilados pueden ser un transporte de propagación de enfermedades, hay que considerar que desde el mismo instante de su producción hasta el de su consumo los alimentos están constantemente expuestos a las posibles contaminaciones bien sean por agentes naturales o por efecto de la intervención humana.

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Food safety is a scientific discipline describing handling, preparation, and storage of food in ways that prevent foodborne illness. This includes a number of routines that should be followed to avoid potentially severe health hazards. In this way food safety often overlaps with food defense to prevent harm to consumers. The tracks within this line of thought are safety between industry and the market and then between the market and the consumer. In considering industry to market practices, food safety considerations include the origins of food including the practices relating to food labeling, food hygiene, food additives and pesticide residues, as well as policies on biotechnology and food and guidelines for the management of governmental import and export inspection and certification systems for foods. In considering market to consumer practices, the usual thought is that food ought to be safe in the market and the concern is safe delivery and preparation of the food for the consumer. Food can transmit disease from person to person as well as serve as a growth medium for bacteria that can cause food poisoning. In developed countries there are intricate standards for food preparation, whereas in lesser developed countries the main issue is simply the availability of adequate safe water, which is usually a critical item. In theory, food poisoning is 100% preventable.The five key principles of food hygiene, according to WHO, are: 1. \n* Prevent contaminating food with pathogens spreading from people, pets, and pests. 2. \n* Separate raw and cooked foods to prevent contaminating the cooked foods. 3. \n* Cook foods for the appropriate length of time and at the appropriate temperature to kill pathogens. 4. \n* Store food at the proper temperature. 5. \n* Do use safe water and safe raw materials.

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