Liquid anti-microbial treatments for storage grain with ammonium

Food or edible material: processes – compositions – and products – Inhibiting chemical or physical change of food by contact... – Animal flesh – citrus fruit – bean or cereal seed material

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426335, 426532, 422 28, 424164, A23B 900, A23L 334

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active

043383432

ABSTRACT:
Materials are disclosed for treating moist grains to prevent the growth of microorganisms during storage. These materials comprise aqueous solutions of ammonium bisulfite (NH.sub.4 HSO.sub.3) and at least one acidification compound for at least lowering the pH of the solution to between about 2.5 to 4.0, preferably 3.0. Preferred acidification compounds include acidic ammonium salts of inorganic acids, such as sulfuric or phosphoric acids, and of organic acids such as acetic, propionic or other short chain organic acids. Alternatively, the disclosed preservative materials comprise disproportionation products of ammonium bisulphite solutions, such as ammonium or alkaline mineral salts of metabisulfites, trithionates, thiosulphates, tetrathionates, dithionates and others. Natural and artificially disproportionated solutions of ammonium bisulfite are also disclosed as exhibiting surprising preservative actions. The disclosed preservative materials are applied as liquids in treatments at 1% by weight of the grain to be preserved. Grain treated in accordance with the present invention exhibits increased resistance to spoilage and excellent odor, flavor and color characteristics. Accordingly, excellent preservatives are disclosed for treating grains which remains suitable for subsequent human consumption.

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