K型卡拉胶又称钾敏卡拉胶,钾离子对其凝胶作用强,凝胶比较脆和硬。K型半精制卡拉胶在食品工业中用作胶凝剂和澄清剂,并广泛应用于肉制品、调味品、面包、麦汁澄清和宠物食品等。
质量指标:
执行标准 Executive Standard | GB 1886.169-2016 | |||
检验项目Inspection Items | 标准参数Specification | |||
感官Sensory | 色泽Color and luster | 类白色或灰白色 White or light yellow to brownish yellow | ||
颗粒度Graininess(80/120/200目) | 95%通过 | |||
理 化 Physicochemical Analysis | 硫酸酯Sulphate (以SO42-计), w/% | 15-40 | ||
黏度Viscosity(1.5%、75℃) / Pa·s ≥ | 0.005 | |||
*凝胶强度Gel strength (1.5%,0.2% KCl 20℃), g/cm2 | 500-650 | 650-800 | ||
干燥减量 Dry reduction (105℃、4h), w/% ≤ | 12.0 | |||
总灰分Total ash (550℃、4h), w/% | 15-40 | |||
酸不溶灰分 Acid Insoluble Ash, w/% ≤ | 1 | |||
酸不溶物 Acid Insoluble matter, w/% ≤ | 15 | |||
pH(1%) | 8~11 | |||
残留溶剂 (异丙醇、甲醇) Residual solvent(isopropanol、methanol),w/% ≤ | 0.1 | |||
铅Lead (Pb) /(mg/kg) ≤ | 5.0 | |||
砷 Arsenic (As) /(mg/kg) ≤ | 3.0 | |||
镉 Cadmium(Cd)/( mg/kg) ≤ | 2.0 | |||
汞 Mercury(Hg)/(mg/kg) ≤ | 1.0 | |||
微生物 Microorganism | 菌落总数 Total Plate Count /(CFU/g) ≤ | 5000 | ||
大肠埃希氏菌 E. Coli | CFU/g < | 10 | ||
MPN/g < | 3.0 | |||
沙门氏菌Salmonella (25g) | 不得检出Negative in 25g |