Kaijo Corporation

University of Miyazaki

Katsuhiro Koyama

Masaru Hase

Kazuyuki Saiki

Katsutada Sakazaki

Junichiro Soejima

Naoki Misawa

An object of the present invention is to provide a method for controlling microorganisms in food materials, by which bacterial groups that cause deterioration of the quality of food materials such as poultry and pathogenic microorganisms that cause food poisoning can be efficiently controlled. Specifically, the present invention relates to a method for controlling microorganisms in food materials, comprising a step of subjecting a food material immersed in a sterilizing solution to repeated treatment with negative pressure and ordinary pressure and/or a step of subjecting the food material immersed in the sterilizing solution to resonant ultrasonication.

Method and apparatus for controlling microorganisms in food materials by vacuum and resonant ultrasonication

A deaeration device for bubbling dissolved air in the cleaning liquid by cavitation is connected on a cleaning-liquid circulation path so as to bubble the dissolved air in the cleaning liquid flowing through the cleaning-liquid circulation path, and the bubbled dissolved air flows back to the cleaning tank together with the cleaning liquid so that the bubbled dissolved air is ejected from the liquid surface of the cleaning tank to the outside of the tank. Moreover, a propeller-type pump is used as the circulating pump, and the dissolved air concentration of the cleaning liquid is controlled within a range of 2.5 to 3.5 mg/l.

Deaeration device and ultrasonic cleaning device using the same

A deaeration device for bubbling dissolved air in the cleaning liquid by cavitation is connected on a cleaning-liquid circulation path so as to bubble the dissolved air in the cleaning liquid flowing through the cleaning-liquid circulation path by the deaeration device, and the bubbled dissolved air flows back to the cleaning tank together with the cleaning liquid so that the bubbled dissolved air is ejected from the liquid surface of the cleaning tank to the outside of the tank. Moreover, a propeller-type pump is used as the circulating pump, and the dissolved air concentration of the cleaning liquid is controlled within a range of 2.5 to 3.5 mg/l.

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Hamura, Japan

Katsuhiro Koyama