The invention discloses whole grain purple sweet potato
gluten which comprises the following components in percent by
mass: 2 to 6 percent of wheat
dietary fiber flour, 3 to 9 percent of waxy
wheat flour, 0.3 to 0.9 percent of Konjac
powder, 2 to 10 parts of whole grain purple sweet potato flour, 4 to 5 percent of salt, 4 to 4.5 percent of a sweetener, 20 to 25 percent of water, and the balance of
wheat flour. The invention further discloses a preparation method of the whole grain purple sweet potato
gluten. The preparation method of the whole grain purple sweet potato
gluten comprises the steps of mixing, dough kneading, squeezing and curing, splitting, cooling, mixing and
seasoning, packaging, sealing, boxing and the like. The whole grain purple sweet potato gluten prepared through the formula and the preparation method provided by the invention is low in salt and
sugar, is not added with any chemical additives, tastes good, and is nutritional and healthy; the preparation method provided by the invention is simple and easy to control, is relatively low in cost, and is easy to achieve large scale promotion and production.