Sample labels Solvent proportion Ethyl acetate/ ethanol (v/v) Powder / solvent ratio (w/v) Extracted lipids (% w/w of RPP, mean value ± standard deviation) Remaining volatile fraction, RVF (% of the cumulative peak areas obtained for DPPb to the one obtained for RPP by HS-SPME-GC-MS, mean value ± standard deviation)
DPPb1 67/33 2/5 8.3 ± 0.3 12 ± 2
DPPb2 87/13 2/5 7.8 ± 0.0 18 ± 7
DPPb3 67/33 1/5 9.5 ± 0.0 6 ± 2
DPPb4 87/13 1/5 8.6 ± 0.5 9 ± 3
Table 2: Experimental conditions and response values for lipid extraction and volatile compounds recovery using ethyl acetate/ethanol mixture.