| Grade standard | Medicine grade, Food grade |
|---|---|
| Botanical Name | Vaccinium myrtillus |
| Part used | fruit |
| Appearance | powder |
| Application | food additive, aromatic ingredient |
| Specification | anthocyanin 28.1% cyanidin-3-glucoside; phenol 61.8% catechin |
| Colour | dark brown to purple |
| Odour | No characteristic odour |
| Store in dry and cool place | Store in dry and cool place |