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

Table 1

The results of chromatographic analysis of Portulaca olеracea CO₂ extract.

No.	Retention time (min)	Compound	Identification probability (%)	Percentage (%)	Groups of biological active compounds
1	11.0	4-Cyclopentene-1, 3-dione	84	0.79	Ketone
2	12.6	4-Hydroxy-butanoic acid	93	0.46	Butyrolactone
3	12.8	1-Butene, 4-isothiocyanato-	85	0.32	Isothiocyanic acid, 3-butenyl ester
4	13.5	1-(1'-Pyrrolidinyl)-2-propanone	95	0.99	Ketone
5	14.6	1-Amino-2,6-dimethylpiperidine	67	0.27	Piperidine derivative
6	15.8	2,5-Dimethyl-4-hydroxy-3(2H)-furanone	77	0.26	Ketone
7	16.9	4H-Pyran-4-one, 2,3-dihydro-3, 5-dihydroxy-6-methyl-	90	2.44	Pyran derivative
8	17.5	Benzyl nitrile	93	1.21	Benzene derivatives
9	18.5	Benzofuran, 2,3-dihydro-1-	80	1.06	Benzofuran derivatives
10	20.4	2-Methoxy-4-vinylphenol	93	2.07	Phenol
11	20.7	Pyrazine, 2-ethyl-5-methyl-	85	0.96	Pyrazine derivative
12	22.8	Pyrrolidine, 1-(1-cyclohexen-1-yl)-	71	0.94	Pyrrolidine derivative
13	23.2	4-(2, 6, 6-Trimethylcyclohexa-1, 3-dienyl)but-3-en-2-one	78	0.39	Steroid
14	25.1	Sucrose	72	10.85	Carbohydrate
15	26.0	Phosphonofluoridic acid, (1-methylethyl)-, cyclohexyl ester	70	1.43	Ester
16	26.2	3', 5'-Dimethoxyacetophenone	76	1.85	Ketone
17	26.9	Megastigmatrienone	75	0.21	Steroid
18	27.4	3, 7, 11, 15-Tetramethyl-2-hexadecen-1-ol	80	1.31	Alcohol
19	29.0	Imidazolo [1,2-a] pyrimidine-2,5(1H,3H)-dione, 3,7-dimethyl-	65	0.36	Ketone
20	30.6	4-((1E)-3-Hydroxy-1-propenyl)-2-methoxyphenol	82	0.76	Phenol
21	31.2	Benzoic acid, 4-hydroxy-3, 5-dimethoxy-, hydrazide	91	2.21	Heterocyclic compound
22	31.5	Phthalic acid, isobutyl octadecyl ester	64	3.03	Ester
23	32.5	Octahydro-2(1H)-quinolinone	66	1.70	Ketone
24	33.8	Phytol	76	5.80	Diterpene
25	34.1	Linoleic acid ethyl ester	72	0.69	Ester
26	35.6	Desulphosinigrin	70	16.96	Carbohydrate
27	36.6	5, 10-Diethoxy-2, 3, 7, 8-tetrahydro-1H,6H-dipyrrolo[1,2-a:1',2'-d]pyrazine	71	0.47	Pyrazine derivative
28	39.0	Heneicosane	87	0.81	Alkane
29	40.6	Heptacosane	80	0.68	Alkane
30	41.4	2-Methylhexacosane	84	1.02	Alkane
31	42.1	Hexacosane	93	20.67	Alkane
32	43.6	Octacosane	91	1.85	Alkane
33	46.4	Tetratetracontane	79	1.31	Alkane
34	48.7	Octacosanol	74	2.67	Alcohol
35	50.9	Vitamin E	95	6.42	Derivative of tocol
36	54.7	β-Sitosterol	90	3.78	Steroid
37	55.3	Phytol, acetate	70	0.96	Ester