Fig. 1

¹H NMR spectra of methyl linoleate substrate and its conjugated hydroxy methyl linoleate; purified hydroxy methyl linoleate (a). Conjugated hydroxy methyl linoleate (CHML) mixture (b) and, saturated ester (c), unconjugated methyl linoleate isomer 4 h (d), and then Methyl linoleate (ML substrate) (e)