Qualitative and Quantitative Analysis of Amygdalin Using NMR Spectroscopy

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Abstract
NMR analytical procedures are described for the qualitative and quantitative determination of amygdalin. The spectrum is very specific for amygdalin, particularly the sugar region. The optical nature may be conveniently ascertained from the chemical shifts of the aglycone methine hydrogens and the relative optical purity determined by comparing the corresponding peak areas. Satisfactory analyses of amygdalin-containing tablets have been carried out with a precision of 1.2% and accuracy of less than 1%.