Figure 9
From: Organic materials in the wall paintings in Pompei: a case study of Insuladel Centenario

GC/MS profile of sample 41/1. Experimental conditions are reported in the text. Ala = alanine, Gly = glycine, Thr = threonine,Ser = serine, Val = valine, NVal = norvaline (internal standard), Leu = leucine, Nleu = Norleucine (internal standard), Pro = proline, Hyp = hydroxyproline, Asp = aspartic acid, Glu = glutamic acid, Phe = phenylalanine.