Process for clarification of xanthan solutions and xanthan gum produced thereby
US6586213B2 · kind B2 · utility
5Cited by
16References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2001 |
| Grant date | Jul 1, 2003 |
| Priority date | — |
| Expiry date | Apr 13, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/51
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process is disclosed for clarifying an aqueous xanthan gum solution comprising treatment of the xanthan solution with at least one chelating agent, surfactant, organic acid, or a mixture thereof, and with a protease enzyme or a lysozyme and a protease enzyme. Also disclosed is a highly purified solid xanthan gum and compositions containing the same, wherein the gum is obtained from the clarified xanthan gum solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.