The shelf life of fruits and vegetables are shortened due to the higher water content. Several methods have been tried to overcome this so as to make fruits and vegetables last longer. Osmotic dehydration is one such method which is proven to significantly increase the shelf life of fruits and vegetables.
Osmotic dehydration is the removal of water by immersing the food in a solution of salt or sugars of high osmotic pressure. Water is transferred from the food to the solution by virtue of the difference in osmotic pressure. The prepared (peeled, sliced or cut, etc.) material is immersed in the “osmotic solution”, a relatively concentrated solution of sugars (glucose, sucrose, trehalose, etc.) or salt, or both. Water and some of the natural solutes of the food pass to the osmotic solution, while at the same time a certain amount of the “osmotic solute” penetrates the food.
This process helps to preserve the vitamin and minerals, color, flavor and taste of the foods. Also during this process, small quantity of fruit acid is removed along with the water, making the product more palatable. With osmotic dehydration, shelf life of fruits and vegetables is increased to six months or more depending on how the packaging is done. BiteNatural provide it’s customers with such products that are free from added flavor, color or essence.