| 主权项 |
1. A method for reducing the color of sugar or any intermediate of a process for obtaining sugar, consisting of adding to the sugar or any intermediate in a process for obtaining sugar:
Component 1: a member selected from the group consisting of a sulfoxylate, a salt of the form M+−O—S(═O)—CH(OH)R, and a monobasic organic acid of sulfur having the general formula RSO2H; wherein M+ can be a mono or multivalent cation, and wherein R═H, C1-C20 alkyl, branched C1-C20 alkyl, cyclic C5-C6 alkyl, aryl, benzyl, or heterocyclic C5-C6 rings, and wherein R can be substituted or unsubstituted; or mixtures thereof; and Component 2: at least one of a sulfite, a metabisulfite, a bisulfite, or sulfur dioxide, or a source thereof; and Component 3: at least one chelating agent; wherein Component 2 is added at a temperature between 65° C. and 150° C. and at a pH of greater than 3; and wherein Components 1, 2, and 3 are added at the input of an evaporator; whereby the color stability of the sugar or any intermediate of a process for obtaining sugar is increased. |
