After packing, the food is heat-sealed in foil pouches from which all the air has been removed and replaced with nitrogen gas. This keeps the food safe and flavoursome for at least three years without the need for preservatives.food product.
Back Country Cuisine meals are formulated to meet the high energy needs of outdoor activity. There is a careful balance of carbohydrates and sugars for instant energy, protein to replenish exhausted muscles and oils and fat to provide an energy store (oils and fats are kept within the recommended maximum of 30% of total energy)
Freeze drying retains the natural vitamins in the food because of the low temperatures used in processing. Along with naturally occuring minerals and the addition of salt, the meals provide vitamins and minerals necessary to stay healthy.