1. Purchasing in specialty store: Require catering service units to purchase food additives in specialty store with business license, food business license and other qualifications, and check whether they have obtained the corresponding license and the filing, batch number, production date, supplier name, contact number, contact person and official seal of the supply bill with additives.
2. Counter storage: Food additives are required to be stored in counters in designated areas, marked with the words "additive storage counters" and locked. No other food raw materials shall be stored in the counter, and the names of food additives shall be marked on the container.
3. Person in charge: Require trained and qualified ingredients personnel to collect, use and prepare food additives. The ingredients staff must know the maximum dosage of each additive and what kind of food can be used, and check it to avoid adding mistakes.
4. Special tools: It is required to use certified measuring instruments for weighing. Choose a scale with high accuracy to improve the accuracy of additive feeding; The small spoon for weighing should be a metal spoon that is not easy to rust, so it is special for spoons; Regularly correct the accuracy of weighing instruments.
5. Special ledger: it is required to establish a special food additive purchasing ledger, storage management ledger and feeding records, and register them one by one according to the requirements of each use.