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Chromatogram obtained by SPME-GC-MS after fibre CAR/PDMS exposition for 1 h at 30 °C in the headspace of ca-alginate beads with liquid smoke beads without (a) and with (b) a chitosan layer. The numbers represent compounds identified and listed in Table 1. SPME-GC-MS: Solid Phase Microextraction-Gas Chromatograph- Mass Selective CAR/PDMS: Carboxen/Polydimethylsiloxane
