English name: dehydroacetic acid, sodium dehydroacetate
Chinese name: 脱氢乙酸及其钠盐（又名脱氢醋酸及其钠盐）
CNS No.: 17.009(i),17.009 (ii)
NS NO.: 265,266
Use: Preservative
Quality Specification Standard:
National Food Safety Standard Food Additive Sodium Dehydroacetate
National Food Safety Standard for Food Additives Dehydroacetic Acid
Permissible varieties, scope of use, and maximum usage or residue levels
GB 2760-2024 Standard for the Use of Food Additives (New)
| classification number | Food name | Max. usage (g/kg) | Remark |
| 04.02.02.03 | Pickled vegetables | 0.3 | dehydroacetic acid |
| 04.03.02.03 | Pickled edible mushrooms and algae | 0.3 | — |
| 04.04.02 | Fermented soy products | 0.3 | — |
| 08.03 | cooked meat products | 0.5 | — |
| 12.10 | Compound seasoning | 0.5 | — |
GB 2760-2014 Standard for the Use of Food Additives (Old)
| classification number | Food name | Max. usage (g/kg) | Remark |
| 02.02.01.01 | Butter and concentrated butter | 0.3 | dehydroacetic acid |
| 04.02.02.03 | Pickled vegetables | 1.0 | — |
| 04.03.02.03 | Pickled edible mushrooms and algae | 0.3 | — |
| 04.04.02 | Fermented soy products | 0.3 | — |
| 06.05.02 | Starch products | 1.0 | — |
| 07.01 | Bread | 0.5 | — |
| 07.02 | cookie | 0.5 | — |
| 07.04 | Baking food fillings;surface hanging paste | 0.5 | — |
| 08.02 | Prefabricated meat products | 0.5 | — |
| 08.03 | cooked meat products | 0.5 | — |
| 12.10 | Compound seasoning | 0.5 | — |
| 14.02.01 | Fruit and vegetable juice (pulp) | 0.3 | — |
Compared GB 2760-2014, GB 2760-2024 eliminates the use of dehydroacetic acid and Sodium Dehydroacetate in butter and concentrated butter starch products, bread, pastries, baking food fillings, surface hanging paste, and Fruit and vegetable juice (pulp).
The new standard GB 2760-2024 can still be used in pickled edible mushrooms and algae, fermented bean products, cooked meat products (excluding 08.03.08 canned meat), and composite seasonings. The maximum amount added to pickled vegetables has been adjusted from 1g/kg to 0.3g/kg.
The implementation period of the new standard starts from February 8, 2025. Before February 8, 2025, food enterprises can still use dehydroacetic acid and Sodium Dehydroacetate in accordance with the scope of use and dosage specified in GB 2760-2014 for normal use.
GB 2760-2024 is only suitable for China market. Different countries and nations use their own food additives policy.
The usage of dehydroacetic acid and sodium dehydroacetate for cosmetics and pharmaceuitcals has not changes.
