In the production and processing of green food, A-level and AA-level products can use food additives depending on the product itself or the needs of production. Only natural food additives are allowed in AA-level green food, and artificial chemistry is not allowed Synthetic food additives can be artificially synthesized in Class A green food, but the following products should not be used: (1) potassium ferrocyanide (2) 4-hexyl resorcinol (3) sulfur (4 ) Potassium aluminum sulfate (5) Ammonium aluminum sulfate (6) Erythrosine red (7) Erythrosine red aluminum color ingot (8) New red (9) New red aluminum color ingot (10) Titanium dioxide (11) Caramel color (sulfite) Ammonium method. Ammonia production) (12) Sodium sulfate (potassium) (13) Sodium nitrite (potassium) (14) Span 80 (15) Span 40 (16) Span 20 (17) Tween 80 (18 ) Tween 20 (19) Tween 40 (20) benzoyl peroxide (2) potassium bromate (22) benzoic acid (23) sodium benzoate (24) ethoxyquin (25) sec-butylamine (26) cinnamaldehyde (27) Thiabendazole (28) Hydrogen peroxide (or sodium percarbonate) (29) ethylnaphthol (30) diphenyl ether (31) 2-phenylphenol sodium salt (32) 4-phenylphenol (33 ) Glutaraldehyde (34) Sincillar (35) 2,4-Dichlorophenoxyacetic acid (36) Sodium saccharin (37) Cycloethyl Sodium sulfamate.