Abstract: [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.

Abstract: [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.

Abstract: The present invention relates to polyhydroxyalkanoate depolymerase having a N-terminal fragment of the amino acid sequence of SEQ ID NO: 1 and having a molecular weight of about 33,000 as determined by SDS polyacrylamide gel electrophoresis; a process for producing polyhydroxyalkanoate depolymerase, comprising culturing in a medium a microorganism which belongs to the genus Corynebacterium and has the ability to produce the polyhydroxyalkanoate depolymerase and recovering the polyhydroxyalkanoate depolymerase from the resulting culture; and a process for producing polyhydroxyalkanoate depolymerase, comprising culturing in a medium a transformant transformed with a recombinant vector containing a gene of the polyhydroxyalkanoate depolymerase and recovering the polyhydroxyalkanoate depolymerase from the resulting culture. According to the present invention, there can be provided novel PHA depolymerase with the activity of decomposing .omega.

Abstract: An antibacterial and deodorant processing agent for the sanitary processing, in particular, for the sanitary processing of a fiber material having a hydrophobic surface, which comprises a derivative of an aminoglycoside antibiotic, and a method for the antibacterial and deodorant processing of a fiber material having a hydrophobic surface with the use of said antibacterial and deodorant processing agent.

Abstract: Disclosed is a poly-.gamma.-glutamic acid ester comprising recurring units represented by the following formula (A): ##STR1## wherein R represents an ester-forming group, and recurring units represented by the following formula (B): ##STR2## wherein the former units (A) occupy at least 40% and the polymerization degree, that is, the total number of both the units (A) and (B), is at least 1000.