Rapid Quantification of Oxidized and Reduced Forms of Glutathione Using Ortho phthalaldehyde in Cultured Mammalian Cells In Vitro Cellular Glutathione Detection Assay Kit Cell Signaling Technology The optimised method of HPLC analysis of glutathione allows to determine the degree of oxidative stress in plant cell culture ScienceDirect Machine learning driven sensor array for predictive detection of glutathione ScienceDirect Colorimetric detection and determination of glutathione based on superoxide radical assisted etching approach ScienceDirect Measurement of Glutathione as a Tool for Oxidative Stress Studies by High Performance Liquid Chromatography