| Name | Jujube pigmaent |
| Synonyms | Jujube pigmaent |
| Physical and Chemical Properties | Chemical properties brown-black crystalline or tan amorphous powder. Soluble in hot water, slowly soluble in water and dilute ethanol solution, insoluble in absolute ethanol and grease. Acid and alkali resistance is good, and it is jujube red in acidic and alkaline solutions, but the color deepens under alkaline conditions. Good heat resistance. The aqueous solution of this product will not fade after boiling for a long time. Light resistance and oxidation resistance are also good. It also has good stability to metal ions, sucrose, and saccharin. The main coloring component is hydroxyanthraquinone derivative. |
| Use | Use colorant (Brown). |
the residue (including pulp and jujube peel) after preparing the original juice from Zizyphus satira, a plant of the genus jujube of the Rhamnaceae family, is acidolysis, extraction, filtration, concentration, modification and drying.
| use | colorant (brown). |
| production method | the residue (including pulp and jujube peel) after preparing the original juice from jujube (Zizyphus satia) of Rhamnaceae is acidolysis, extraction, filtration, concentration, modification and drying. |