The invention discloses a method for controlling the content of
histamine in fermented aquatic products. The method comprises the following steps of: 1) cleaning a fresh
aquatic product which serves as a
raw material and then keeping the
raw material fresh at a low temperature; 2) adding an appropriate quantity of salt and As3.942
protease into the cleaned
aquatic product which serves as the
raw material, and adding an appropriate quantity of
lactic acid bacteria strains which serve as a biological control agent of the
histamine at the same time, mixing uniformly, then placing the mixture into a
fermentation container, and covering and tightly sealing the
fermentation container, wherein the inoculum concentration is controlled to be 10<6> to 10<8> cfu / mL, and the used amount of an
enzyme preparation is controlled to be 50,000 to 150,000 IU / kg in the raw material; and 3) transferring the
fermentation container to a fermentation room for fermenting to obtain the fermented
aquatic product, namely fish sauce, wherein the fermentation temperature is controlled to be between 18 DEG C and 22 DEG C, and the fermentation time is controlled to be 40 to 60 days. The method is simple and easy to implement; the conventional natural fermentation process is replaced by an
enzyme engineering fermentation technology, and the
lactic acid bacteria strains serve as the biological control agent, so that the fermentation period is shortened from six months to 40 to 60 days, and the production efficiency is improved; and harmful infectious microbes are prevented from generating decarboxylase to produce the
histamine in the process of natural fermentation, so that the histamine is eliminated or degraded, and the yield and safety of the product are improved.