Squid tenderization liquid and preparation and application method thereof

The invention discloses a squid tenderization liquid and solves problems of hard texture and poor mouthfeel of a dried squid product in the prior art. The squid tenderization liquid is composed of following components, by mass, 0.5-1% of papain, 1-3% of calcium chloride, 0.01-0.03% of bromelain, 0.3-0.6% of sodium pyrophosphate, 0.2-0.5% of xanthan gum and the balance apple juice with a mass concentration being 40-50%. The squid tenderization liquid is reasonable in formula and good in tenderization effect. An obtained dried squid product is soft, easy to chew and good in mouthfeel. The invention also provides a preparation method of the squid tenderization liquid. The method mainly includes following steps: (1) preparing the apple juice and (2) mixing raw materials. The preparation method is simple in processes, good in operability and low in cost.