Optimized Assay for Hydrogen Peroxide Determination in Plant Tissue Using Potassium Iodide


Here, we present an optimization of colorimetric determination of hydrogen peroxide content in plants using potassium iodide. Our method is based on a one step buffer (extraction and reaction) for the determination of H2O2 in different plant tissues and overcomes interference of soluble antioxidant and color background. A particular attention is paid to buffer pH shown to be tissue dependent. With this inexpensive microplate method, it is possible to analyze 12 experimental samples in about 45 min all in triplicates, with blanks, controls and standard curve.

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Junglee, S. , Urban, L. , Sallanon, H. and Lopez-Lauri, F. (2014) Optimized Assay for Hydrogen Peroxide Determination in Plant Tissue Using Potassium Iodide. American Journal of Analytical Chemistry, 5, 730-736. doi: 10.4236/ajac.2014.511081.

Conflicts of Interest

The authors declare no conflicts of interest.


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