825318.fig.001a
(a)
825318.fig.001b
(b)
825318.fig.001c
(c)
Figure 1: 1H NMR spectra of Tilia (a), Robinia pseudoacacia (b), and fir (c) honeys. The inserts show expansions of the spectral regions δ 2.5–1.0 ppm and δ 9.0–5.5 ppm.