Table 3.
Analytical performances in relative quantification.
| First isomer | Second isomer | Corresponding fragments of 2nd/1st isomers (m/z) | Calibration function | R2 | Ratio range (2nd/1st isomer) |
|---|---|---|---|---|---|
| Oleic acid | cis-Vaccenic acid | 183.14/155.11 | y = 0.5744x + 0.3371 | 0.9982 | 0.1–2.0 |
| C18:1 cis-9 | C18:1 cis-11 | 199.13/171.10 | y = 0.7582x + 0.0724 | 0.9954 | |
| 100 μM | 10–200 μM | ||||
| α-Linolenic acid | γ-Linolenic acid | 129.09/87.05 | y = 0.5368x + 0.0217 | 0.9995 | 0.1–2.0 |
| C18:3 cis-9, 12, 15 | C18:3 cis-6, 9, 12 | 141.09/183.14 | y = 0.4983x + 0.1484 | 0.9876 | |
| 100 μM | 10–200 μM | 181.12/223.17 | y = 0.5328x + 0.0592 | 0.9988 |