Testing items include content determination, component analysis, and determination of harmful substance content. Scope of application: Microbial pigments, animal pigments, inorganic pigments, plant pigments, porphyrins, isopentadienes, polyphenols, ketones, quinones, beet red, caramel color, etc. natural β Carrot, beet red, turmeric, safflower yellow, shellac red, tangerine red, chili red, chili orange, caramel, caramel color, caramel color to produce caramel color, red rice red, chrysanthemum yellow extract, black bean red, sorghum red, corn yellow, radish red; Cocoa shell color, red koji rice, red koji red, sunflower red, black kalun red, mast yellow, mast blue, sea buckthorn yellow, rose eggplant red, acorn shell brown, NP red, multi benefit coca brown, mulberry red, natural mustard red, cherry brown; Curcumin, Peanut Red, Grape Skin Red; Orchid fruit red; Algae, plant charcoal black, dense yellow, purple grass red; Tea Yellow Pigment: Tea Green Pigment, Citrus Yellow, Linzhi Tree Orange, Carmine Red, Iron Oxide (Black), etc. Commonly used natural colorants include chili red, beet red, monascus red, carmine red, sorghum red, sodium copper chlorophyllin, turmeric, gardenia yellow, carotene, phycocyanin, cocoa pigment, caramel pigment, etc.

　　Related Testing Standards

　　GB/T 21543-2021 General Requirements for Feed Additives and Flavoring Agents

　　GB 7300.501-2021 Feed Additives Part 5: Microbial Saccharomyces cerevisiae

　　GB 7300.402-2020 Feed Additives Part 4: Enzyme Preparation Phytase

　　GB 7300.1001-2020 Feed Additives Part 10: Flavoring and Inducing Substances Sodium Glutamate

　　GB 7300.601-2020 Feed Additives Part 6: Non protein Nitrogen Urea

　　GB 7300.203-2020 Feed Additives Part 2: Vitamin and Vitamin Betaine

　　GB 7300.103-2020 Feed Additives Part 1: Amino Acids, Amino Acid Salts and Their Analogues Methionine Hydroxyl Analogues

　　GB 7300.301-2019 Feed Additives Part 3: Mineral Elements and Their Complexes (Chelates) Potassium Iodide

　　GB 7300.401-2019 Feed Additives Part 4: Enzyme Preparation Xylanase

　　GB 7300.901-2019 Feed Additives Part 9: Colorants β- Carrot powder

　　GB 7300.801-2019 Feed additives Part 8: Preservatives, mold inhibitors, and acidity regulators Sodium bicarbonate

　　GB 7300.101-2019 Feed additives Part 1: Amino acids, amino acid salts, and their analogues L-threonine