Fig. 3. NMR spectra of soybean oil untreated and treated for 6h with hydrogen gas (a) 1H-NMR spectra, bottom to top: untreated, treated-liquid, treated-gel, treated-solid, and PHO; (b)13C-NMR spectra, bottom to top: untreated, and treated-gel; (c) 2D-NMR-HSQC spectrum of soybean oil-treated (gel fraction) for 6h.