Method for the extraction of aleurone from bran
First Claim
1. Method for processing bran and extracting aleurone cells, wherein the aleurone-containing aleurone components are separated from the aleurone-free non-aleurone components in the bran, and the aleurone-containing components are then removed, and wherein the aleurone-containing aleurone components are separated from the aleurone-free non-aleurone components by a mechanical force selected from the group consisting of impact forces, collision forces and combinations thereof, and wherein a fraction comprising the aleurone components and non-aleurone components separated from one another and having particle sizes above 100 μ
- m are graded and sorted into fractions by channel impeller air-classification.
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Abstract
The invention relates to a method for the preparation of aleurone from bran, in particular, wheat bran, for the extraction of aleuronic cells in particular from wheat grain, whereby the mainly aleurone-containing aleuronic components are separated from the mainly non-aleurone-containing non-aleuronic components in the bran and the aleurone-containing components are then isolated. The separation can be achieved by biochemical/enzymatic means and/or by mechanical-abrasive means. The subsequent isolation and extraction can be achieved by wet and/or dry separating methods.
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Citations
49 Claims
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1. Method for processing bran and extracting aleurone cells, wherein the aleurone-containing aleurone components are separated from the aleurone-free non-aleurone components in the bran, and the aleurone-containing components are then removed, and wherein the aleurone-containing aleurone components are separated from the aleurone-free non-aleurone components by a mechanical force selected from the group consisting of impact forces, collision forces and combinations thereof, and wherein a fraction comprising the aleurone components and non-aleurone components separated from one another and having particle sizes above 100 μ
- m are graded and sorted into fractions by channel impeller air-classification.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47)
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48. Method for processing bran and extracting aleurone cells, comprising the steps of:
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separating aleurone-containing components from hull components in the bran by subjecting the bran to impact and/or collision forces in a mill; sieving the bran including separate aleurone-containing components and hull components into fractions of different particle sizes including a fraction having a particle size of greater than 100 μ
m; andair-classifying the fraction having particle sizes of greater than 100 μ
m by channel impeller air-classification to separate the aleurone-containing components from the hull components. - View Dependent Claims (49)
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Specification