Table 2 Abundance, % change and credible regression slope change for lipid variables identified as undergoing the largest degrees of change with increasing altitude.
Carbon chain length: double bond | Mode of ion detection | LDN abundance (AU) | EBC abundance (AU) | Δ% LDN to EBC | Δ Slope (AU/km) | |
|---|---|---|---|---|---|---|
Lipids increasing with ascent | ||||||
Triglyceride | 52:3 | Positive | 30.1 | 45.0 | 53.9 | 1.59 |
Triglyceride | 52:4 | Positive | 10.72 | 16.50 | 53.7 | 0.529 |
Oleic acid | 18:1 | Negative | 36.0 | 54.6 | 27.1 | 2.349 |
Linoleic acid | 18:2 | Negative | 17.83 | 23.39 | 23.7 | 0.828 |
Sphingomyelin | 34:1 | Positive | 26.8 | 30.8 | 15.7 | 0.001 |
Palmitic acid | 16:0 | Negative | 110.4 | 116.7 | 12.4 | 2.176 |
Lipids decreasing with ascent | ||||||
Triglyceride | 48:1 | Positive | 4.25 | 2.42 | −43.1 | −0.334 |
Phosphatidylcholine | 46:2 | Negative | 11.8 | 8.7 | −25.0 | −0.597 |
Triglyceride | 50:1 | Positive | 10.95 | 9.69 | −8.43 | −0.524 |
