The invention discloses compact anti-
wrinkle elastin peptide freeze-dried
powder and a preparation method thereof, and belongs to the technical field of bioactive peptides. The freeze-dried
powder is prepared by taking core tubes and / or
throat tubes of bred animals as raw materials through cleaning and
impurity removal, crushing and homogenizing,
degreasing and
impurity removal, composite enzymolysis, enzymolysis inactivation,
centrifugal separation, gradient
filtration, concentration, sterilization and vacuum
freeze drying, and has remarkable elastinase inhibitory activity and tightening and anti-
wrinkle effects. The
livestock and poultry slaughtering byproducts which are wide in source and low in cost are selected as raw materials, high-value utilization of the
livestock and poultry slaughtering byproducts is achieved, the optimized preparation technology solves the problems that in the prior art, enzymolysis efficiency is low, product purity is low, activity is insufficient, and stability is poor, the technology is simple, large-scale production is easy, and the method can be widely applied to the fields of
cosmetics, food and health care products.