Factors Observed variables: Remaining volatile fraction, RVF (% of the cumulative peak areas obtained for DPPa to the one obtained for RPP by HS-SPME-GC-MS)
Sample labels Light Gas Temperature Storage period (days)
        13 33 58 93
DPPa1 - (obscurity) - (N2) - (4°C) 3.5 3.7 14.8 7.5
DPPa2 + (day light) - (N2) - (4°C) 3.5 2.7 16.8 13.6
DPPa3 - (obscurity) + (air) - (4°C) 3.1 2.1 5.4 5.9
DPPa4 + (day light) + (air) - (4°C) 3.0 2.6 5.2 6.3
DPPa5 - (obscurity) - (N2) + (ambient) 5.6 9.7 17.1 19.7
DPPa6 + (day light) - (N2) + (ambient) 6.9 2.4 18.9 18.1
DPPa7 - (obscurity) + (air) + (ambient) 5.8 10.0 20.9 15.5
DPPa8 + (day light) + (air) + (ambient) 6.7 10.0 20.6 19.5
Calculated effects (in bold if significant)        
Light 0.3 ± 0.3 -1.0 ± 0.9 0.4 ± 0.8 1.1 ± 0.9
Gas -0.1 ± 0.3 0.8 ± 0.9 -1.9 ± 0.8 -1.5 ± 0.9
Temperature 1.5 ± 0.3 2.6 ± 0.9 4.4 ± 0.8 4.9 ± 0.9
Table 1: Experimental conditions, response values and main effects of the 23 experimental design used to study the impact of storage on the volatile fraction.