There are many kinds and effects of additives that can be used in food and feed products, such as colorants (carmine, sunset yellow, etc.), preservatives (sodium benzoate, sodium propionate, potassium sorbate, etc.), and all additives need to be used in strict accordance with the allowable addition amount specified in national standards. The hygienic quality of raw material pure additives need to be strictly controlled. Each batch of pure additive raw materials needs to be tested for the items required by the corresponding national standards, industrial standards or enterprise standards, and can be put into production only after they are qualified. Therefore, the quality of pure raw materials also determines the quality of final products to a great extent.

Test according to the product implementation standards, enterprise standards provided by customers and other requirements;

Testing standards include GB 1886 series of food additive product standards, Other relevant national standards for food additives, feed additive related product standards, customer-made enterprise product standards, etc.

The Food and Agriculture Division of the Ti Testing and Certification Group can provide the following parameters testing services for pure additives, and issue test reports containing CMA and CNAS qualifications.

Test contents	Test items
Sensory evaluation	Color, condition, smell, appearance, character, etc
physical and chemical testing	Moisture, ash, PH, drying weight loss, burning residue, protein, particle size, fineness, viscosity, acid value, peroxide value, water insoluble matter, reducing sugar, identification, chloride, sulfate, lead, arsenic, mercury, cadmium, nitrite, etc
microbiological detection	Total number of colonies, coliforms, mold, yeast, salmonella, etc
contents check	Pigment, preservative, nutritional fortifier, sweetener, thickening agent, etc