Table 3 Artefacts with attached plant and animal residues identified from the presence of plant- and animal-derived analytes detected by GC-MS/MS.
Artefact | Long-chain saturated fatty acids and analogues | Sterols | Terpenoids | Terpenes |
|---|---|---|---|---|
XXIV-68 | Tricosanoic (29 ng) and tetracosanoic (165 ng) acids | Cholesterol (15 ng) and β-sitosterol (detectablec) | Abietic (3 ng) and ursolic (detectablec) acids | — |
XXIV-67a,b | Cholesterol (17 ng), oleanolic acid (350 ng) and ursolic acid (28 ng) were observed, as well as betulinic acid at detectable levels. Azelaic (detectablec), sebacic (134 ng) and thapsic (138 ng) acids were found, as were 12-hydroxydodecanoic (detectablec) and 16-hydroxyhexadecanoic (detectablec) acids. A suite of saturated fatty acids from pentadecanoic acid (56 ng) to tetracosanoic acid (34 ng) was also detected. | |||
XXV-3932 | Tetracosanoic (626 ng) and azelaic (detectablec) acids | Cholesterol (45 ng) and β-sitosterol (detectablec) | — | — |
XXV-3955 | Tetracosanoic acid (99 ng) | Cholesterol (207 ng) and β-sitosterol (detectablec) | — | — |
XXV-3953 | Azelaic acid (detectablec) | Cholesterol (63 ng), campesterol and β-sitosterol (detectablec) | — | Camphor (46 ng) |
XXV-3954b | Cholesterol (100 ng), abietic acid (37 ng), β-sitosterol (detectablec), tridecanoic (detectablec), nonadecanoic (detectablec), eicosanoic (556 ng), docosanoic (detectablec) and azelaic (detectablec) acids were found. Camphor (43 ng) was extracted from the artefact. | |||
XXV-4025b | Cholesterol (1.4 µg) was extracted from this artefact. β-Sitosterol (detectablec), tridecanoic (detectablec) and heptadecanoic (detectablec) acids were also detected. | |||
XXV-4619 | Tetracosanoic acid (1 µg) | Cholesterol (219 ng) and β-sitosterol (detectablec) | — | — |
XXVI-4414b | Cholesterol (32 ng), β-sitosterol (detectablec) and stigmasterol (detectablec) were detected, as well as heptadecanoic (detectablec), nonadecanoic (detectablec) and eicosanoic (545 ng) acids. | |||
XXVI-4532 | — | Cholesterol (553 ng) | Oleanolic acid (890 ng) | — |