Ezaki Glico Co., Ltd.

Hideki Kajiura

Hiroki Takata

Takeshi Takaha

Takashi Kuriki

Takashi Furuyashiki

The present invention is directed towards improving blood glucose levels, visceral fat levels, blood cholesterol levels, neutral fat levels, etc. by oral administration of enzyme synthesized glycogen (ESG). The invention is further directed towards the intake of food by a subject that comprises ESG as a carbohydrate to improve blood glucose levels, visceral fat levels, blood cholesterol levels, neutral fat levels and the like.

Food containing glycogen and use thereof

A method of producing glycogen comprising a step of: allowing a branching enzyme having the ability to synthesize glycogen to act on a substrate in a solution to produce a glycogen, wherein the substrate is an &#x3b1;-glucan being linked mainly with &#x3b1;-1,4-glucosidic bonds and having a degree of polymerization of 4 or more, and the number-average molecular weight of saccharides in the solution before initiation of the reaction is more than 180 but not more than 150,000. (The branching enzyme activity of the branching enzyme)/(the molecular-weight-decreasing activity of the branching enzyme) can be 500 or less. The branching enzyme can be a thermostable branching enzyme.

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Amagasaki, Japan

Hideki Kajiura