The invention discloses an extraction method for
mushroom polysaccharide and a preparation method for a double-
mushroom soup-stock essence. The preparation method for the double-
mushroom soup-stock essence comprises the following steps: (1) uniformly mixing a natural mushroom
raw material and a compound
enzyme preparation, then adding water, and carrying out heating and activating so as to obtain a
mixed solution; (2) adjusting a pH value of the
mixed solution to be 5.0, carrying out
enzymatic hydrolysis at 40 to 50 DEG C so as to obtain an enzymatic
hydrolysate; (3) decocting the enzymatic
hydrolysate, carrying out
centrifugation, then subjecting an obtained supernatant to
filtration, concentration and refiltration, and carrying out
precipitation with
ethanol; (4) subjecting obtained precipitate to vacuum freezing and
drying so as to obtain the mushroom
polysaccharide; and (5) with a low-temperature
drying technology and a
starch-
coating forming technology, blending the mushroom
polysaccharide and a
solid-state compound
seasoning product so as to obtain the double-mushroom soup-stock essence. The double-mushroom soup-stock essence provided by the invention has the advantages of
flavor-improving and freshness-increasing functions of a common
seasoning, nutritional values of health-care products, simple process, less equipment investment, safe and controllable production operation and
food quality, stable quality, and applicability to
mass production.