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Report of a Collaborative Study on Dextran in White Sugar Using an Antibody Test

机译：用抗体试验报告白糖葡聚糖中的葡聚糖研究

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The determination of dextran in white sugar is important for the manufacturers of shaped hard candies, in particular, round candies, such as Life Savers. A dextran concentration greater than 125 ppm will cause the sugar crystal to elongate, resulting in distortion of the candy geometry. Thus, a candy that is supposed to be perfectly round will become slightly oblong. Very few refiners test for dextran in the finished refined sugar. A collaborative study, using the accepted IUPAC protocol, was conducted, with ten laboratories participating. Of these ten, only two laboratories routinely tested for dextran in white sugar. The Midland Monoclonal Antibody method (MCA) was chosen for its rapidity and ease. Samples ranged in concentration from 15 to 240 ppm dextran. Statistical analyses of the results showed that the test performed adequately, with outliers and variability ratios falling within acceptable parameters for all but the sample with the lowest concentration.
机译：在白糖中的葡聚糖测定对于成形硬糖果的制造商，特别是圆形糖果，例如寿命储蓄。大于125ppm的葡聚糖浓度将导致糖晶体伸长，导致糖果几何形状的变形。因此，应该是完美圆形的糖果将变得略微椭圆形。很少有炼油厂在成品化精制糖中测试葡聚糖。使用接受的IUPAC协议进行协作研究，并参与了十个实验室。在这十年中，只有两个实验室常规测试白糖中的葡聚糖。选择Midland单克隆抗体方法（MCA）的速度和易于选择。样品浓度范围为15至240ppm葡聚糖。结果的统计分析表明，该试验充分进行，具有异常值和可变性比例，以浓度最低的样品，但样品均为所有物种。

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