2024年7月18日 星期一 19:43:55

工业马铃薯淀粉 (QB.1-92)

1、适用范围
  本标准适用于以马铃薯为原料,经过湿磨法加工制成的工业淀粉。
2、技术要求
  2.1 感官要求
表1
项 目 指 标
优 级 一 级 二 级
外 观 白色或微带浅黄色阴影的粉末,具有光泽
气 味 具有马铃薯淀粉固有的特殊气味,无异味
  2.2 理化要求
表2
项 目 指 标
优 级 一 级 二 级
水分, %(m/m)   ≤18.0  
细度, %(m/m) ≥99.8 ≥99.5 ≥99.0
斑点, 个/㎝~2 ≤2.0 ≤5.0 ≤8.0
酸度(中和100g纯干淀粉消耗0.1mol/L氢氧化钠溶液的毫升数) ≤10.0 ≤14.0 ≤18.0
灰分(干基), %(m/m) ≤0.20 ≤0.40 ≤0.60
蛋白质(干基),%(m/m) ≤0.10 ≤0.15 ≤0.20
白度(蓝光反射率), %(m/m) ≤90.0 ≤85.0 ≤80.0
二氧化硫, %(m/m) ≤0.004
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