Qualicaps Co., Ltd.

Toshimitsu Usui

Yoshiro Osaki

Makoto Aso

Mamoru Honda

An object of the present disclosure is providing a hard capsule made of a hard capsule film having enteric properties that can be molded by a cold gel method. An enteric hard capsule comprises a film containing a first component and a second component, and further containing at least one component selected from the group consisting of a third component, a fourth component, and a fifth component, wherein the first component is a nonionic water-soluble cellulose compound having a viscosity value within a range of from 100 mPa·s to 100,000 mPa·s, the second component is an enteric methacrylic acid copolymer, the third component is an enteric cellulose compound, wherein the fourth component is a water-insoluble (meth)acrylic acid alkyl ester copolymer, and the fifth component is at least one kind selected from the group consisting of polyvinyl alcohol, a plasticizer, and a surfactant.

Enteric hard capsule

An object of the present invention is to improve the hardness of the capsule film of a hard capsule. The present invention improves the hardness of the capsule film of a hard capsule by adding a starch decomposition product, and/or at least one clay mineral selected from the group consisting of talc, bentonite, and kaolin, to a hard capsule film.

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Nara, Japan

Toshimitsu Usui