Process of treating wheaten flour or other vegetable flours or meals or the grains or seeds from which said flours or meals are derived

摘要

Ground materials, such as flour or the substances from which the ground materials are produced such as grain and legumes, are treated with activated carbon for the purpose of removing or preventing objectionable odours or flavours therein. In a specific example, musty smelling wheat flour was treated with an addition of from ,0075 to ,01 per cent of activated carbon in the form of powder. Fine grained activated carbons may be used and may be left in the flour. Carbons of a larger particle size and in larger quantities may be used and may be separated from the material after the treatment. The process may be carried out by first mixing the carbon with a small quantity of the material to be treated, the mixture then being added to the main part of the material. The mixture may be kept in motion during the treatment. Other substances can be added to the activated carbon to obtain a better distribution or to produce an additional effect, e.g. the addition of lime to facilitate the removal of husks.ALSO:Ground materials such as flour, or the substances from which the ground materials are produced such as grain and legumes, are treated with activated carbon for the purpose of removing or preventing objectionable odours or flavours therein. In a specific example musty smelling wheat flour was treated with an addition of from ,0075 per cent to ,01 per cent of activated carbon in the form of powder. Fine grained activated carbons may be used and may be left in the flour. Carbons of a larger particle size and in larger quantities may be used and may be separated from the material after the treatment. The process may be carried out by first mixing the carbon with a small quantity of the material to be treated the mixture then being added to the main part of the material. The mixture may be kept in motion during the treatment. Other substances can be added to the activated carbon to obtain a better distribution or to produce an additional effect, e.g. the addition of lime to facilitate the removal of husks.