GB 2760-2024 National food safety standard for uses of food additives 
| Chinese Name | 硫酸亚铁 |
|---|---|
| English Name | ferrous sulfate |
| CNS | 00.022 |
| INS | — |
| Function | other |
| Quality specification | |
| JECFA specification information |
| Food Category No. | Food Name | Maximum usage level(g/kg) | Remarks |
|---|---|---|---|
| 04.04.02 | Fermented bean product (stinky tofu only) | 0.15g/L | 仅限臭豆腐。以FeSO4计 |
| 04.04.02.01 | Fermented bean curd | 0.15g/L | 仅限臭豆腐。以FeSO4计 |
| 04.04.02.02 | Fermented soybean and preparations (including natto) | 0.15g/L | 仅限臭豆腐。以FeSO4计 |