| 摘要 |
PURPOSE:To produce a large amount of the titled compound useful as a raw material of health food, etc., at a low cost, by treating a vegetable containing fructose polymer with cellulase or cellulase and pectinase. CONSTITUTION:A vegetable containing fructose polymer (e.g. Jerusalem artichoke) is treated with cellulase or cellulase and pectinase, and the reaction mixture is centrifuged to obtain the extract as the supernatant liquid. The extract liquid is added with calcium ion to precipitate pectin, and centrifuged. The obtained supernatant liquid is concentrated with an ultra-filtration membrane under pressure to obtain the objective fructose polymer (e.g. inulin).
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