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. 2020 May 12;14(1):36. doi: 10.1186/s13065-020-00688-0

Table 1.

The relative retention time (RRT) and method of identification of some fatty acids found in the Ethiopian green coffee beans

Number Chemical name Common name RT MS-ID RRT
1 Tetradecanoic acid Myristic acid 9.870 NIST-14 1.51
2 Pentadecanoic acid Pentadecanoic acid 10.98 NIST-14 1.62
3 cis-7-Hexadecenoic acid Hypogeic acid 11.16 NIST-14 1.70
4 Hexadecanoic acid Palmitic acid 11.46 NIST-14 1.75
5 Heptadecanoic acid Margaric acid 12.42 NIST-14 1.90
6 9-Octadecenoic acid Oleic acid 13.35 NIST-14 2.04
7 9,12-Octadecadienoic acid Linoleic acid 13.43 NIST-14 2.05
8 Octadecanoic acid Stearic acid 13.61 NIST-14 2.06
9 9,12,15-Octadecatrienoic acid Linolenic acid 13.78 NIST-14 2.08
10 Eicosanoic acid Arachidic acid 16.18 NIST-14 2.47

RRT is a retention time relative to the decanoic acid