Qualitative and Quantitative Control of Honeys Using NMR Spectroscopy and Chemometrics

Figure 2

Scatter plot of the PCA scores of floral and honeydew honeys obtained from ¹H NMR (9–0.25 ppm; no scaling (a)) and ¹³C NMR (200–0.25 ppm; scaling to unit variance (b)).

(a)

(b)