The invention discloses low-
glycemic highland barley and buckwheat instant noodles and a preparation method thereof. The formula of the low-
glycemic highland barley and buckwheat instant noodles comprises the following raw materials in parts by weight: 50-80 parts of highland
barley flour, 12-18 parts of highland
barley bran powder, 8-17 parts of buckwheat flour, 3-9 parts of tartary buckwheat
bran powder, 0.3-2 parts of konjaku flour and 0.1-1 part of
astragalus membranaceus
powder. The preparation method comprises the following steps: S1, preparing the main material; s2, preparing konjaku flour water; s3, preparing dough; s4, preparing noodles; s5, low-temperature curing; s6,
drying; and S7, preparing a finished product. The highland
barley flour, the buckwheat flour and the tartary buckwheat
bran powder are combined and complemented, a functional
nutrition synergistic mechanism is formed, and the postprandial
blood sugar peak value is reduced synergistically. The konjaku flour increases dietary fibers, is beneficial to realization of low GI and is also beneficial to cooking, the original coarse cereal instant noodles with high dietary fibers are changed from being eaten only by soaking to being eaten by cooking, and the taste is also improved.