A - Human Necessities – 23 – B
Patent
A - Human Necessities
23
B
A23B 7/06 (2006.01) A23B 9/00 (2006.01) A23L 1/212 (2006.01) A23L 1/214 (2006.01) A23L 1/277 (2006.01) A23L 3/42 (2006.01)
Patent
CA 2018281
The invention concerns a process for producing bleached plant pulp extracts using H202 in an alkaline aqueous solution. The process involves successively treating the pulp in an acidic medium for at least 10 minutes at a pH of 2.5 at the most, washing the pulp thus treated, with at least 80% efficiency, and exposing the washed pulp to the action of the H2O2 in the presence of an H202 stabilizer. This process makes flour that was formerly not used because of its too-dark colour useable in industrial food production.
L'invention concerne un procédé pour la fabrication de pulpes végétales extraites blanchies à l'aide de H2O2 en solution aqueuse alcaline, qui consiste, successivement, à traiter la pulpe en milieu acide au moins pendant 10 minutes à pH au plus égal à 2,5, laver la pulpe ainsi traitée, avec une efficacité égale au moins à 80%, soumettre la pulpe lavée à l'action de H2O2 en présence d'un agent stabilisant de H2O2. Ce procédé permet de rendre utilisable dans l'industrie pour fabriquer des produits alimentaires, des farines qui étaient alors inutilisées parce que ayant une coloration trop foncée.
Atochem
Robic
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