C - Chemistry – Metallurgy – 11 – B
Patent
C - Chemistry, Metallurgy
11
B
C11B 1/10 (2006.01) B01D 11/02 (2006.01) C11B 1/02 (2006.01) C11B 1/04 (2006.01) B01D 11/00 (2006.01)
Patent
CA 2138393
The present invention pertains to a method of obtaining oil from grain materials such as rice bran, wheat mill feed, Canola R, rapeseed, amaranth, and similar grains. The method includes processes for: stabilizing the oil contained in the grain material (when necessary) while increasing the porosity of such grain material ; extraction of oil from the grain material by contact with a solvent in vapor form; and separation of extracted oil/solvent compositions into fractions containing various amounts of saturated and unsaturated oils. The portion of the method which pertains to extracting the oil from the grain material by contact with a solvent in vapor form can also be used to remove oils from: previously-extracted oil seeds, which were extracted using a less efficient extraction method; flaked or crushed vegetable matter; and grain-based food products such as chips, crackers and noodles.
La présente invention se rapporte à un procédé d'extraction d'huile à partir de céréales telles que le son de riz, la poudre de blé, le CanolaR, le colza, l'amarante et des céréales analogues. Le procédé consiste à: stabiliser l'huile contenue dans les céréales (lorsque cela est nécessaire) tandis que la porosité desdites céréales est accrue; extraire l'huile des céréales par contact avec un solvant sous forme de vapeur; et séparer les compositions de solvant/huile extraite en fractions contenant différentes teneurs en huiles saturées et insaturées. L'étape consistant à extraire l'huile des céréales par contact avec un solvant sous forme de vapeur peut également être utilisée pour extraire des huiles de matières suivantes: des graines oléagineuses ayant au préalable subi un procédé d'extraction moins efficace; des légumes broyés ou réduits en flocons; et des produits alimentaires à base de céréales tels que des chips, biscuits secs et des nouilles.
Arendt Phillip S.
Langley Charles E.
Deeth Williams Wall Llp
Food Sciences Inc.
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