Emergency rations are items offood anddrink that a person stores and relies on in case of an emergency. Emergency food supplies can be purchased for camping trips or wilderness adventures. These supplies are meant to last for several days. Many people also purchase long shelf life emergency food in case of natural disasters or other emergency situations. The food can come in the form of a powder, freeze dried, smoked or salted. The rations are to help people survive until help arrives and are often carried while hill walking or mountaineering, because of the risk of being stranded by an accident. In some organised events, such asTen Tors, it is obligatory to carry emergency rations.
Emergency rations are often carried bycamping enthusiasts, especiallyback-pack campers, who are more likely to be far from food supplies. Emergency foodstuffs are usually high in caloric content, and sometimes also in nutritional content. Typical emergency foodstuffs are high-calorie foods such ascandy bars, nutritional orprotein bars, sports orenergy bars,hard bread orbiscuit (includingfood ration bars),dried meat (such asjerky orpemmican), anddried fruit. If water is available, rations with little water content are lighter to carry.
Emergency rations are generally carried on the person by people on foot in case of becoming lost or separated from normal food supplies. Water or other drinks are carried if water is not readily available from the environment.
The makeup of emergency rations can be adjusted to suit different situations depending on which properties are the most desirable under the specific circumstances. For instance, when comparing trekking to being lost at sea, a high caloric density is more of a priority in the former case and in the latter case the metabolic effects of the macronutrient composition require greater consideration.[1]
Emergency rations are used inhumanitarian aid. In these contexts, the purpose of the rations is twofold: preventingmalnutrition and sustaining physical activity. The energy content required for this depends on several factors, including the level of physical activity and environmental temperature.[2]
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