Sustained release compositions using as matrix hemicellulose extracted from wheat bran
AssigneeNisshin Flour Milling Co., Ltd.
InventorsTakanori Ijitsu, Kiwamu Shiiba, Hiroyoshi Hara, Yoshie Negishi
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Abstract
A sustained release composition containing a chemical substance in a matrix. The matrix substantially comprises a hemicellulose extracted from wheat bran under alkaline conditions or a wheat bran extract containing the hemicellulose. The chemical substance is released at a controlled rate from the composition over a long period of time.
Claims5
A sustained release composition containing a pharmaceutically active agent in a matrix and having the sustained release rate controlled by incorporating at least 10% by weight of the matrix based on the total weight of the composition, in which the matrix is a hemicellulose extracted from wheat bran under alkaline conditions and purified by ultrafiltration and by ion exchange, or a wheat bran extract containing the hemicellulose.
Dependencies are inferred from the claim text.