GB 2760-2024 National food safety standard for uses of food additives 
| Chinese Name | 紫胶（又名虫胶） |
|---|---|
| English Name | shellac |
| CNS | 14.001 |
| INS | 904 |
| Function | coating agent, chewing gum base and colorant |
| Quality specification | |
| JECFA specification information |
| Food Category No. | Food Name | Maximum usage level(g/kg) | Remarks |
|---|---|---|---|
| 04.01.01.02 | Surface-treated fresh fruit | 0.5（仅限柑橘类），0.4（仅限苹果） | |
| 05.01 | Cocoa product, chocolate and chocolate product, including cocoa butter substitute chocolate and its product | 0.2 | |
| 05.01.01 | Cocoa product (including cocoa-based butter, powder, syrup, sauce, filling, etc.) | 0.2 | |
| 05.01.02 | Chocolate and chocolate product, cocoa product other than 05.01.01 | 0.2 | |
| 05.01.03 | Cocoa butter substitute chocolate and its product | 0.2 | |
| 05.02.01 | Gum base candy | 3.0 | |
| 05.02.02 | Other candy excluding gum base candy | 3.0 | |
| 07.03.02 | Wafer biscuit | 0.2 | |
| 16.03 | Collagen casing | 按生产需要适量使用 |