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Determination of free amino acids in plants by liquid chromatography coupled to tandem mass spectrometry (LC MS/MS)

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Table 1. Amino acids, AA abbreviated name,  retention time (min.), transitions chosen for each compound,  collision energy used in LC-ESI-MS/MS to obtain quantification transition and ion ratio for confirmation and  quantification transition (q/Q)
Table 2. Repeatability of LC-MS/MS analysis of amino acids in Stellaria media matrice using aliquots of 10 uL  of sample (n=5), square correlation coefficient (R²), limits of detection and quantification

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