METHOD FOR STERILIZING POWDER OR GRAIN AND STERILIZING APPARATUS EMPLOYING THE SAME

METHOD FOR STERILIZING POWDER OR GRAIN AND STERILIZING APPARATUS EMPLOYING THE SAME

[Problem to be solved] To provide a method for sterilizing powder or grain by which the heating time is a minimum required time to reduce thermal degradation of the quality of the powder or grain while securing sufficient sterilization effect, and a sterilizing apparatus employing the method. [Means...

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Hauptverfasser: SATO FUMIHIRO, HIRATA TOSHIO, TAKEBE HIDEHI, KARIYAMA MASAHIRO, MORI AKIRA
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creator SATO FUMIHIRO
HIRATA TOSHIO
TAKEBE HIDEHI
KARIYAMA MASAHIRO
MORI AKIRA
description [Problem to be solved] To provide a method for sterilizing powder or grain by which the heating time is a minimum required time to reduce thermal degradation of the quality of the powder or grain while securing sufficient sterilization effect, and a sterilizing apparatus employing the method. [Means to solve the problem] The problem is solved by a method for sterilizing powder or grain, and a sterilizing apparatus employing the method, and the method includes applying heat and pressure in which powder or grain is supplied into a heated gas flow pipe kept under heated and pressurized conditions, and the powder or grain is transferred while coming into direct contact with a heated condensable gas in the heated gas flow pipe for 0.008 to 2 seconds, and instantaneous reduced pressure sterilizing in which the heated condensable gas and the powder or grain are instantaneously released into a space having a pressure lower than that in the heated gas flow pipe, water contained in microorganisms adhering to the powder or grain is boiled rapidly, and tissues of the microorganisms are destroyed.
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title METHOD FOR STERILIZING POWDER OR GRAIN AND STERILIZING APPARATUS EMPLOYING THE SAME
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