Compositional study of different soybean (Glycine max L.) varieties by 1H NMR spectroscopy, chromatographic and spectrometric techniques

► Compositional study of soybean varieties was conducted by a combination analysis. ► Combination analysis of NMR, chromatographic and spectrometric technique was used. ► Compositional profile characteristic is useful for discriminating soybean varieties. ► Reference values for soybean consumption are achieved in the study.