Investigation of CO₂ Extract of Portulaca oleracea for Antioxidant Activity from Raw Material Cultivated in Kazakhstan

Table 3

Chromatographic analysis of the dichloromethane fraction of the Portulaca olеracea CO₂ extract.

No.	Retention time (min)	Compound	Identification probability (%)	Percentage (%)
1	26.0	2(4H)-Benzofuranone, 5,6,7,7a-tetrahydro-4,4,7a-trimethyl-	78	1.00
2	27.4	3,7,11,15-Tetramethyl-2-hexadecen-1-ol	81	0.44
3	27.7	Tetradecanoic acid, ethyl ester	89	0.99
4	28.5	3-Buten-2-one, 4-(4-hydroxy-2,2,6-trimethyl-7-oxabicyclo[4.1.0]hept-1-yl)-	73	0.77
5	28.6	2-Pentadecanone, 6,10,14-trimethyl-	92	2.33
6	33.8	Phytol	94	15.32
7	34.3	p-Octylacetophenone	67	2.52
8	35.0	Ethyl oleate	88	7.15
9	38.1	Hexadecanoic acid, 1-(hydroxymethyl)-1,2-ethanediyl ester	65	0.62
10	38.6	Methyl 19-methyl-eicosanoate	68	1.36
11	39.2	4,8,12,16-Tetramethylheptadecan-4-olide	90	1.97
12	43.2	Hexacosane, 9-octyl-	80	4.18
13	45.2	Squalene	86	5.73
14	49.9	γ-Tocopherol	66	3.28
15	50.9	Vitamin E	95	21.22
16	53.2	Campesterol	84	4.51
17	54.7	γ-Sitosterol	92	22.75
18	55.3	Phytol, acetate	75	3.86