A process and apparatus for preparing a dried food product said process comprising treating a dried food with an aqueous acidulant, in an amount and for a period of time which is sufficient to modify a surface of the food to increase water permeability dehydrating the acidified food to obtain a desired moisture content with heat cooling the heated dehydrated acidified food and infusing the cooled dehydrated acidified food with an infusate. US2008274263A1
