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DPPH 自由基清除能力检测试剂盒(微量法)

TOPEK191180
RT/2-8℃
6个月
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TOPEK191180 100T/48S $155.49
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Introduction：

正式测定前务必取 2-3 个预期差异较大的样本做预测定

产品介绍：

DPPH自由基一种很稳定的氮中心的自由基，是样本抗氧化能力的重要指标之一，广泛应用于抗氧化类食品、保健品及药品的研究中。

测定原理：

DPPH自由基有单电子，其醇溶液呈紫色，在515 nm处有强吸收。当有抗氧化剂存在时，DPPH自由基被清除，其溶液颜色变浅，515 nm的吸光度下降，在一定范围内其吸光度的变化与自由基被清除的程度成正比。本试剂盒中，通过吸光度下降的程度来反映样本清除DPPH自由基的能力。

These protocols are for reference only. Biotopped does not independently validate these methods.

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