6-O-palmitoyl-L-ascorbic acid
Chemical Structural Formula
Introduction
6-O-palmitoyl-L-ascorbic acid(Ascorbyl palmitate) is formed by the esterification of palmitic acid and natural components including L-ascorbic acid. Evaluated by the Additives Committee as a food additive that is nutritious, non-toxic, efficient, and safe to use, it is the only antioxidant that can be used in infant food in China. This product can be used in food for anti-oxidation, food(fat) color protection, nutritional enhancement and other effects.
Ascorbyl palmitate is a highly efficient, safe, non-toxic fat-soluble nutritional antioxidant, which is insoluble in water and vegetable oil. The appearance is white or yellow-white powder, with a slight citrus fragrance.
Specifications
| Testing Items | Specifications |
| Appearance | White or pale yellow powder |
| Assay | Not less than 95.0% |
| Optical Rotation | +21°~ +24° |
| Loss on Drying | Not more than 2.0% |
| Melting Range | 107.0℃ ~ 117.0℃ |
| Residue on Ignition | Not more than 0.1% |
| Lead(Pb) | Not more than 2.0ppm |
| Arsenic(As) | Not more than 3.0ppm |
Packaging
10kg/cardboard drum or 25kg/cardboard drum.
Storage Conditions
Preserved in unopened containers in a cool dry place before using; kept away from direct sunlight, heat and moisture.
Shelf Life
24 months if stored under above mentioned conditions.
