The invention discloses mulberry
bark powder, as well as a preparation method and application of the mulberry
bark powder. The preparation method comprises the following steps: cleaning mulberry branches, and selecting the bast parts of the cleaned mulberry branches;
drying the bast parts in the sun or in an oven, carrying out coarse
grinding to obtain chippings, and then carrying out secondary
grinding with a high-speed grinder; finally, carrying out ultrafine
grinding with a high-speed grinder of which the
sieve pore size is 100 meshes, thereby obtaining the mulberry
bark powder of which the particle size is 100-150 micrometers. The mulberry bark powder contains 20-40% of a crude
fiber, is rich in amino acids, phenolic acids, alkaloids,
oxyresveratrol glucosides,
flavonoid glycosides and other active substances, has a fine texture and a natural
plant fragrance, can be utilized as an additive for preparation of flour food, tastes good and helps to promote gastrointestinal
motility and change a diet structure, is low in fat and
calorie, and has the functions of preventing diabetes and related complications, improving the self
antioxidant capability, reducing the hyperglycemia risks caused by the circumstance that a diabetes patient eats too much high-
sugar food like rice and bread, eliminating the sense of hunger, and effectively lowering
blood sugar.