5 Dehydration of otto Products Potato granules Potato granules are more usually commercially designated as Instant Potato or Potato Mash Powder. This product was first manufactured in the UK,on a commercial scale, some 55 years ago. As the name implies, precooked potatoes are dehydrated into granular form and, when hot water is added, they revert almost instantly to cooked mashed potato. This product has been widely developed as a convenience food in America and Europe, and is almost certainly the most popular form of dehydrated potato on the market today. It features extensively in snack foods There are several methods of producing granules but the generally accepted commercial method is the 'add-back process. Several improvements have been made in the manufacturing processes since World War Il, and some of these are referred to in british Patents No 683, 604(1952) and No 740, 711 (1955). The basic process goes back to, and is described in, earlier Patents-No, 496423. No, 525.043 and No. 601,152 The following description of the process explains the basic commerci add-back method but makes no reference in detail to the refinements and mprovements, introduced in recent times, by individual processors, many f which were originally patented5 Dehydration of Potato Products Potato Granules Potato granules are more usually commercially designated as Instant Potato or Potato Mash Powder. This product was first manufactured in the UK, on a commercial scale, some 55 years ago. As the name implies, precooked potatoes are dehydrated into granular form and, when hot water is added, they revert almost instantly to cooked mashed potato. This product has been widely developed as a convenience food in America and Europe, and is almost certainly the most popular forin of dehydrated potato on the market today. It features extensively in snack foods. There are several methods of producing granules but the generally accepted commercial method is the 'add-back' process. Several improvements have been made in the manufacturing processes since World War 11, and some of these are referred to in British Patents No.683,604 (1952) and N0.740~711 (1955). The basic process goes back to, and is described in, earlier Patents - No.496,423, No.525,043 and N0.601~152. The following description of the process explains the basic commercial add-back method but makes no reference in detail to the refinements and improvements, introduced in recent times, by individual pmcessors, many of which were originally patented. I05