METHOD OF PRODUCING A CEREAL BRAN PRODUCT CONTAINING BETA-GLUCAN

A method of manufacturing a cereal bran product containing beta-glucan. The method consists of the following stages: (a) the cereal bran is pre-treated by fine grinding or extrusion, whereby the beta-glucan is brought out of the cereal bran; (b) the cereal bran is thermo-mechanically treated in an e...

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Hauptverfasser: MYLLYMAKI, OLAVI, LEHTOMAKI, ILKKA
Format: Patent
Sprache:eng
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Zusammenfassung:A method of manufacturing a cereal bran product containing beta-glucan. The method consists of the following stages: (a) the cereal bran is pre-treated by fine grinding or extrusion, whereby the beta-glucan is brought out of the cereal bran; (b) the cereal bran is thermo-mechanically treated in an extrusion or expansion process, whereby a plastic mass is formed from the cereal bran; (c) the mass is brought into contact with an enzyme that breaks up beta-glucan and optionally with another enzyme that breaks up starch; (d) the enzymes are inactivated; and (e) the bran is dried and optionally ground. Cereal bran that can be used in the method can be the grains from oat, barley or rye. The enzyme that breaks up beta-glucan can be beta-glucanase and the enzyme that breaks up starch can be alpha-amylase.