Table 3.
Total volatile emission of Agrostemma githago, Lolium perenne and Pisum sativum seeds during ageing at 50 °C and 60% RH determined using SPME–GC–MS
| Aged (d) | Total volatile emission (nmol g−1 FW) | |||||||
|---|---|---|---|---|---|---|---|---|
| Control | O2 absorbers | Silica | O2 ab. + Silica | |||||
| A. githago | ||||||||
| 0 | 545.4 | ab | 299.3 | a | 547.6 | ab | 475.4 | ab |
| 1 | 1313.4 | f | 597.9 | abcd | 1106.2 | ef | 993.6 | cdef |
| 2 | 1343.5 | f | 793.1 | bcde | 1303.7 | f | 985.7 | cdef |
| 3 | 1000.8 | def | 499.4 | ab | 776.9 | bcde | 560.5 | abc |
| 4 | 1190.6 | ef | 519.0 | ab | 621.8 | abcd | 783.2 | bcde |
| L. perenne | ||||||||
| 0 | 658.0 | ab | 310.8 | a | 511.5 | a | 416.7 | a |
| 5 | 1689.4 | cde | 623.7 | ab | 880.1 | abc | 642.9 | ab |
| 10 | 1962.0 | de | 681.2 | ab | 613.2 | ab | 611.5 | ab |
| 15 | 5005.0 | f | 1721.4 | cde | 2018.7 | e | 1153.7 | abcd |
| 20 | 5368.6 | f | 2242.4 | e | 1932.8 | de | 1456.6 | bcde |
| P. sativum | ||||||||
| 0 | 367.9 | ab | 243.6 | a | 280.5 | ab | 268.8 | ab |
| 5 | 1167.3 | abc | 646.6 | abc | 642.7 | abc | 621.1 | ab |
| 10 | 1918.2 | abcde | 979.1 | abc | 863.1 | abc | 933.1 | abc |
| 15 | 6062.4 | g | 3394.8 | de | 1928.3 | abcde | 1744.8 | abcd |
| 20 | 5275.8 | fg | 3605.7 | ef | 2396.0 | cde | 2039.7 | bcde |
Values are mean ± SE (n = 3). Letters indicate significant differences (P < 0.05) between treatments and ageing time points determined using two-way ANOVA and Tukey’s post hoc test