Table 3 Analytical performances in relative quantification.

From: Positional determination of the carbon–carbon double bonds in unsaturated fatty acids mediated by solvent plasmatization using LC–MS

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

 
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