Abstract: To make it possible to simply and easily attach/detach an attaching target to/from an attached target. A coupler includes: a base to be fixed to an attached target; and an attachment body that is fixed to the attaching target and to be detachably joined to the base, in which: the base includes a joint surface to be joined to the attachment body, a magnet configured to magnetically attach the attachment body to the joint surface, and an engaging part configured to engage with the attachment body; and the attachment body includes a joint surface to be joined to the base, a magnet configured to magnetically attach the magnet of the base to the joint surface, and an engaged part configured to disengageably engage with the engaging part of the base and restrict separation from the base.

Abstract: To make it possible to simply and easily attach/detach an attaching target to/from an attached target. A coupler includes: a base to be fixed to an attached target; and an attachment body that is fixed to the attaching target and to be detachably joined to the base, in which: the base includes a joint surface to be joined to the attachment body, a magnet configured to magnetically attach the attachment body to the joint surface, and an engaging part configured to engage with the attachment body; and the attachment body includes a joint surface to be joined to the base, a magnet configured to magnetically attach the magnet of the base to the joint surface, and an engaged part configured to disengageably engage with the engaging part of the base and restrict separation from the base.

Abstract: Problems Development of a process of producing inexpensive and safe hexose and compositions of the same. Means for Resolution A process of producing a sugar composition comprising a definite amount of an target hexose, comprising treating a starting liquid sugar material comprising a starting sugar material hexose or a mixture comprising hexose in a system in the presence of one or more types selected from the group consisting of basic ion exchange resins, alkalis and calcium salts to initiate an isomerization reaction as an equilibrium reaction to transform the starting sugar material hexose to the target hexose to prepare a sugar mixture comprising a definite amount of the target hexose and having a sugar constitution different from that of the starting sugar material, and hexose compositions containing D-allose and D-psicose and the use of the hexose compositions.

Abstract: To develop a method for producing a novel sweetener containing glucose, fructose, and psicose, which is produced from glucose liquid sugar using an isomerase and an epimerase; use of the novel sweetener as a food or drink material; and a novel sweetener capable of preventing obesity caused by the intake thereof. An isomerase and an epimerase are allowed to act on glucose liquid sugar produced in a glucose liquid sugar production plant to thereby produce D-psicose, thereby providing a novel sweetener (product) that maintains the degree and quality of sweetness of a glucose-fructose mixed solution and never causes obesity, a method for producing the same, and use of the same.

Abstract: Problems Development of a process of producing inexpensive and safe hexose and compositions of the same. Means for Resolution A process of producing a sugar composition comprising a definite amount of an target hexose, comprising treating a starting liquid sugar material comprising a starting sugar material hexose or a mixture comprising hexose in a system in the presence of one or more types selected from the group consisting of basic ion exchange resins, alkalis and calcium salts to initiate an isomerization reaction as an equilibrium reaction to transform the starting sugar material hexose to the target hexose to prepare a sugar mixture comprising a definite amount of the target hexose and having a sugar constitution different from that of the starting sugar material, and hexose compositions containing D-allose and D-psicose and the use of the hexose compositions.

Abstract: Problem: To develop a method for producing a novel sweetener containing glucose, fructose, and psicose, which is produced from glucose liquid sugar using an isomerase and an epimerase; use of the novel sweetener as a food or drink material; and a novel sweetener capable of preventing obesity caused by the intake thereof. Means of Resolution: An isomerase and an epimerase are allowed to act on glucose liquid sugar produced in a glucose liquid sugar production plant to thereby produce D-psicose, thereby providing a novel sweetener (product) that maintains the degree and quality of sweetness of a glucose-fructose mixed solution and never causes obesity, a method for producing the same, and use of the same.

Abstract: The present invention relates to polynucleotides encoding particular N-acetylmuramidases, which are cell wall lytic enzymes, of Streptomyces rutgersensis origin. The invention also relates to vectors comprising the polynucleotides encoding the N-acetylmuramidases, and also relates to host cells transformed with the vectors.