Abstract:
PROBLEM TO BE SOLVED: To meet a need for unmodified pregelatinized non-granular starches having textural characteristics of chemically crosslinked pregelatinized non-granular starch and substantially no off-taste.SOLUTION: Thermally-inhibited pregelatinized non-granular starch and flour are produced by pregelatinizing starch or flour, dehydrating the starch or flour up to anhydrous or substantially anhydrous states, and then heat treating the dehydrated starch to thermally inhibit the starch or flour. The pregelatinization can be carried out before or after the thermal inhibition using known methods which disrupt the granular structure by drum drying or jet cooking and spray-drying, etc. The starch is dehydrated by heating the starch in a suitable heating apparatus, by extracting the water from the starch using a solvent such as ethanol, or by freeze drying the starch.
Abstract:
PROBLEM TO BE SOLVED: To prepare thermally-inhibited starch and flour by a process including dehydrating and heat treating a granular starch and flour.SOLUTION: The process for preparing thermally-inhibited, non-pregelatinized granular starch or flour includes the steps of: (a) dehydrating starch or flour to substantially anhydrous; and (b) heat treating the substantially anhydrous starch or flour at a temperature of 100°C or higher and for a time sufficient to inhibit the starch or flour.