Archaeological Samples Fig. 3: Manduria (Ta): Vases from children’s grave goods (4"°-3" cent. BC). Fig. 4: FT-IR spectra of residues from (a) a feeder (sample 3), (b) a small jug (sample 5), and (c) the askos (sample 14). L = lipids, P = proteins, S = silicates, W = waxes, Ps = poly- saccharides. Signals at 2.962, 2.923, 2.854, and 1.737 cm™' suggested the presence of organic compounds of lipid nature (fig. 4a). Bands at 1.685, 1.560-1.554 cm", along with weak