Process for decolorization of solutions
US5932016A · kind A · utility
16Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 17, 1997 |
| Grant date | Aug 3, 1999 |
| Priority date | — |
| Expiry date | Jul 17, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC13B20/005
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a process for decolorization of solutions of sugars, sugar alcohols and betaine. In accordance with the process, a polyaluminium chloride is added to a solution of sugar, sugar alcohol or betaine having a dry substance content of 10 to 70% by weight and a temperature of 60 to 105.degree. C. in a suitable amount so as to obtain a mixture having a pH of 5.5 to 9.5, thereby precipitating the coloured substances, and the formed precipitate is separated from the solution. The invention also relates to the use of a polyaluminium chloride for decolorization of solutions of sugars, sugar alcohols and betaine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.