Evidence-Based Complementary and Alternative Medicine

Research Article

Antiageing Mechanisms of a Standardized Supercritical CO2 Preparation of Black Jack (Bidens pilosa L.) in Human Fibroblasts and Skin Fragments

Table 1

Chemical compounds identified in the BPE-CO2 extract by gas chromatography and mass spectroscopy (GC/MS) according to chromatogram from Figure 1.
Retention time (min) CompoundsMolecular formula
9.83 Undecane C11
14.10 Tetradecane C14
15.35Unidentified 
16.59Unidentified 
17.38Unidentified 
18.80 Octadecane C18
20.45 Hexadecanoic acid (palmitic acid) C16H32O2
20.77 Ethyl hexadecanoate C18H36O2
20.82 Eicosane C20
21.93 3,7,11,15-Tetramethyl-2-hexadecen-1-ol (phytol) C20H40O
22.08 9,12-Octadecadienoic acid (linoleic acid)C18H32O2
22.13 9-Octadecenoic acid (oleic acid)C18H34O2
22.31 Octadecanoic acid (stearic acid) C18H36O2
22.36 Ethyl 9,12-octadecadienoate C20H36O2
22.41 9,12,15-Octadecatrienoic acid (linolenic acid)C18H30O2
22.61Unidentified 
22.66DocosaneC22
23.53 TricosaneC23
24.37 Tetracosane C24
25.16 PentacosaneC25
25.83Unidentified 
25.93 HexacosaneC26
26.66 Heptacosane C27
27.38 Octacosane C28
28.05 NonacosaneC29
28.75 Triacontane C30
29.49Unidentified 
31.35 Stigmasterol C29H48O
31.98 Sitosterol C29H50O