Table 4 Fatty acid contents in the five Pompeian’s painting samples
Fatty acids | Sample S1 | Sample S2 | Sample S3 | Sample S4 | Sample S5 | |||||
|---|---|---|---|---|---|---|---|---|---|---|
mg/kg | % | mg/kg | % | mg/kg | % | mg/kg | % | mg/kg | % | |
C12:0 | 16.1 | 1.3 | 26.6 | 1.6 | 17.6 | 2.1 | 22.3 | 3.4 | 21.4 | 2.7 |
C14:0 | 90.1 | 7.3 | 79.5 | 4.9 | 39.3 | 4.6 | 41.3 | 6.4 | 45.7 | 5.7 |
C16:1 | 12.0 | 1.0 | 14.3 | 0.9 | 1.9 | 0.2 | 16.4 | 2.5 | 14.0 | 1.8 |
C16:0 | 541.1 | 43.7 | 557.8 | 34.2 | 402.6 | 47.1 | 274.1 | 42.2 | 316.8 | 39.6 |
C17:0 | 18.4 | 1.5 | 22.7 | 1.4 | 12.3 | 1.4 | 14.0 | 2.2 | 10.4 | 1.3 |
C18:2 | 14.1 | 1.1 | 21.5 | 1.3 | 4.9 | 0.6 | 7.0 | 1.1 | 10.4 | 1.3 |
cis-C18:1 | 133.2 | 10.8 | 471.9 | 29.0 | 18.0 | 2.1 | 75.4 | 11.6 | 137.7 | 17.2 |
trans-C18:1 | 15.5 | 1.3 | 25.2 | 1.5 | 6.8 | 0.8 | 18.5 | 2.8 | 11.6 | 1.4 |
C18:0 | 397.2 | 32.1 | 410.5 | 25.2 | 351.4 | 41.1 | 180.3 | 27.2 | 231.1 | 28.9 |
Total | 1237.8 | 100 | 1630.0 | 100 | 854.8 | 100 | 649.2 | 100 | 799.2 | 100 |