| Definition | Acetylated distarch phosphate is starch cross-linked with sodium trimetaphosphate or phosphorus oxychloride and esterified by acetic anhydride or vinyl acetate |
| Description | White or nearly white powder or granules or (if pregelatinised) flakes, amorphous powder or coarse particles |
| Identification | |
A.If not pregelatinised: by microscopic observation | |
B.Iodine staining positive (dark blue to light red colour) | |
| Purity (all values expressed on an anhydrous basis except for loss on drying) | |
| Loss on drying | Not more than 15,0 % for cereal starch |
| Not more than 21,0 % for potato starch |
| Not more than 18,0 % for other starches |
| Acetyl groups | Not more than 2,5 % |
| Residual phosphate | Not more than 0,14 % (as P) for wheat or potato starch |
| Not more than 0,04 % (as P) for other starches |
| Vinyl acetate | Not more than 0,1 mg/kg |
| Sulphur dioxide | Not more than 50 mg/kg for modified cereal starches |
| Not more than 10 mg/kg for other modified starches, unless otherwise specified |
| Arsenic | Not more than 1 mg/kg |
| Lead | Not more than 2 mg/kg |
| Mercury | Not more than 0,1 mg/kg |
