Product Description : Natural β-carotene crystals produced by biological fermentation using B. trispora, powdered products produced by microencapsulation process. Physical properties : Appearance: This product is a uniform, free-flowing powder, free from foreign impurities, and its color is yellow to orange. Odor : Natural &beta-carotene unique odor, no odor. Solubility: It can be uniformly and stably dispersed in cold water. The solution is yellow to orange. Physicochemical and microbiological parameters Parameter unit Target value Detection method & beta; Carotene % ≥ 1.0 CA-07.0.08.45.22 Moisture % ≤ 5.0 CA-07.0.08.45.23 Ash % % ≤ 5.0 CA-07.0.08.45.24 Number of colonies total cfu/g ≤1000 CA-07.0.08.45.01 Coliform bacteria MPN/g <0.3 CA-07.0.08.45.02 Mold cfu/g ≤25 CA-07.0.08.45.03 Yeast cfu/g ≤ 25 CA-07.0.08.45.03 Staphylococcus aureus/25g No detection of GB/T 4789.10 Salmonella/25g No detection of GB/T 4789.4 Contaminant indicators: Parameter Unit Target value Detection method Arsenic ppm ≤3 CA-07.0. 08.45.38 Lead ppm ≤2 CA-07.0.08.45.37 Mercury ppm ≤0.1 CA-07.0.08.45.39 Chromium ppm ≤1 GB/T 5009.123 Storage: This product should be sealed in the original packaging and stored in a cool Dry place. Should be used as soon as possible after opening. Label: Clearly identify product name, lot number, production date, etc. The product lot number can fully trace the source of the product.