Quantitative NMR analysis of L-Dopa in seeds from two varieties of Mucuna pruriens.
Ignacio Fernandez-PastorAntonio Luque-MuñozFrancisco RivasMarta Medina-O'DonnellAntonio MartinezRafael Gonzalez-MaldonadoAli HaidourAndres ParraPublished in: Phytochemical analysis : PCA (2018)
The statistical analysis confirmed the accuracy and reproducibility of this single point qNMR method (internal standard) for determining L-Dopa, as well as other commercial preparations of this species, without performing an NMR calibration curve.