Device for ozone treatment of plant materials

B - Operations – Transporting – 02 – B

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B02B 1/04 (2006.01) A23B 9/18 (2006.01) A23L 1/10 (2006.01) A23L 1/16 (2006.01) B02B 1/00 (2006.01) B02B 1/08 (2006.01) B02C 9/02 (2006.01)

Patent

CA 2499898

The invention concerns a novel method for ozone treatment of unground plant materials, such as wheat grains. The invention is characterized in that the method consists in allowing the plant material to rest for at least one day after prior hydration, followed by ozonation involving complementary hydration inputting 3 to 10 wt. % of water relative to the plant material dry weight. Said method is in particular applied to wheat grains. In that case, the inventive method enables penetration of ozone into the core of the grains used for making so-called technological flour. The physical and chemical properties of such types of flour observed on the basis of the parameters of the ozonation process are described.

La présente invention a pour objet un nouveau procédé de traitement à l~ozone de matières végétales non broyées, telles que des grains de blé. Selon l~invention, ce procédé consiste à laisser reposer la matière végétale pendant au moins un jour après une pré-humidification, suivie d~une ozonation faisant appel à une humidification complémentaire apportant de 3 à 10 % en poids d~eau par rapport au poids sec de la matière végétale. Ce procédé est notamment appliqué aux grains de blé. Dans ce cas, un procédé selon l~invention permettant à l~ozone d~atteindre le coeur des grains est mis en oeuvre pour la fabrication de farines dites «technologiques». Les propriétés physiques et chimiques de telles farines observées en fonction des paramètres du procédé d~ozonation sont présentées.

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