Fig. 8

a Total ion chromatogram of the lipid-resinous fraction of sample 6_red; b chromatogram obtained in the single ion monitoring mode of the saccharide fraction of sample 1_green; c chromatogram obtained in the single ion monitoring mode of the amino acidic fraction of sample 2_pink. I.S.1 = internal standard for injection; I.S.2 = internal standard for derivatisation