Gamma-aminobutyric acid extraction device

The utility model is applied to the technical field of amino acid extraction, and particularly relates to a gamma-aminobutyric acid extraction device which comprises a tank body, a tray is arranged in the tank body, and a discharge hole is formed in the tray; the squeezing device is mounted below the discharge port, the squeezing device comprises two rollers which are oppositely arranged, and a gap between the two rollers is aligned to the discharge port; the spraying device comprises a spray head and a liquid inlet pipe, the spray head is mounted above the tray, the liquid inlet pipe is communicated with the spray head and extends out of the tank body, and a first valve and a conveying pump are mounted on the liquid inlet pipe; and the liquid outlet pipe is mounted at the bottom of the tank body, the liquid outlet pipe is communicated with the liquid inlet pipe, and a second valve is mounted on the liquid outlet pipe. The two rollers rotate to smash the seeds on the tray, the smashed seeds fall into water at