. 2022 May 4;11(9):1339. doi: 10.3390/foods11091339

Table 3.

Relative percentage of volatile metabolites in apricot fruits analyzed via GC–MS, n = 3. For codes, refer to Table 1. Results are average of 3 independent replicates ± std. deviation. ^a,b Different letters in the same line concerning P. armeniaca L. specimens indicate significantly different values (p < 0.05; Tukey’s test).

No.	Rt. (min.)	KI	Name	AP-B1-F	AP-B2-F	AP-M3-F	AP-S2-F
Alcohols
1	5.217	774	(Z)-Hex-3-en-1-ol	-	0.07 ± 0.10	-	0.03 ± 0.02
2	8.27	1106	Linalool	0.10 ± 0.08	0.67 ± 0.63	8.86 ± 12.69	0.72 ±0.67
3	8.454	1123	Phenylethyl Alcohol	0.12 ±0.02	0.19 ± 0.10	0.84 ± 0.78	0.20 ± 0.15
4	9.162	1189	Terpinen-4-ol	0.08 ± 0.06	0.22 ± 0.18	0.16 ± 0.08	0.16 ± 0.13
5	9.21	1193	p-Cymen-8-ol	0.36 ± 0.20 ^b	0.55 ± 0.40 ^a	0.49 ± 0.19 ^ab	0.90 ± 0.69 ^ab
6	9.274	1199	α-Terpineol	9.25± 2.16 ^b	7.09 ± 2.39 ^ab	13.27 ± 9.59 ^ab	6.09 ± 4.51 ^a
7	9.841	1259	Geraniol	0.03 ± 0.01 ^b	0.03 ± 0.01 ^a	0.05 ± 0.06 ^ab	0.03 ± 0.02 ^a
8	10.114	1288	1,7-Nonadien-4-ol, 4,8-dimethyl-	1.66 ± 0.79 ^b	1.57 ±1.20 ^a	0.46 ± 0.15 ^a	2.91 ± 2.39 ^a
9	10.32	1309	p-Menth-1-en-9-ol	-	-	0.32 ± 0.51	0.03 ± 0.03
Total alcohols				11.6	10.39	24.45	11.07
Ketones
10	7.805	1068	Acetophenone	0.061 ± 0.05	0.17 ± 0.12	0.09 ± 0.02	0.26 ± 0.24
11	7.87	1070	Isophorone	0.20 ± 0.16	1.71 ± 1.45	0.19 ± 0.19	2.46 ± 2.13
12	9.788	1254.48	Pulegone	0.01 ± 0.00	0.05 ± 0.04	0.10 ± 0.07	0.02 ± 0.02
13	11.124	1395	Anisketone	1.57 ± 0.79	0.30 ± 0.32	0.37 ± 0.23	3.76 ± 6.11
14	11.272	1410	(Z)-Jasmone	0.02 ± 0.00	0.05 ± 0.02	0.02 ± 0.00	0.04 ± 0.03
15	11.683	1450	Geranyl acetone	2.68 ± 0.68 ^a	1.99 ± 1.23 ^b	1.84 ± 0.55 ^ab	3.61 ± 2.95 ^b
16	14.06	1692	Turmerone	0.24 ± 0.01 ^a	0.17 ± 0.11 ^b	0.32 ± 0.22 ^ab	0.12 ± 0.05 ^b
Total ketones				4.78	4.44	2.93	10.27
Aldehydes
17	8.034	1085	5-formylfurfural	0.33 ± 0.13	0.31 ± 0.50	0.38 ± 0.36	0.14 ± 0.06
18	9.121	1185	Benzaldehyde, 2,5-dimethyl-	0.16 ± 0.05 ^b	0.22 ± 0.16 ^a	0.21 ± 0.13 ^ab	0.25 ± 0.21 ^a
19	9.365	1209	n-Decanal	0.12 ± 0.03	0.11 ± 0.00	0.24 ± 0.20	0.08 ± 0.06
20	9.4	1212	Safranal	0.05 ± 0.03	0.05 ± 0.04	0.21 ± 0.03	0.14 ± 0.12
21	9.566	1229	5-Hydroxymethylfurfural	2.71 ± 1.23 ^b	0.87 ± 1.49 ^ab	1.71 ± 1.47 ^ab	0.82 ± 0.42 ^a
22	9.613	1235	β-Cyclocitral	1.71 ± 1.30 ^b	1.45 ± 1.19 ^a	0.46 ± 0.28 ^a	2.39 ± 2.06 ^a
23	9.93	1268	p-Anisaldehyde	1.53 ± 0.48	1.76 ± 0.59	4.66 ± 4.56	7.08 ± 8.85
24	10.026	1279	α-Citral	0.17 ± 0.03 ^b	0.18 ± 0.08 ^a	0.30 ± 0.17 ^ab	0.34 ± 0.04 ^a
25	10.09	1285	(E)-Cinnamaldehyde	1.00 ± 0.46	0.35 ± 0.51	0.50 ± 0.40	0.79 ± 1.15
26	10.707	1351	Piperonal	0.10 ± 0.05	0.08 ± 0.07	0.07 ± 0.06	0.05 ± 0.09
27	11.263	1409	Methyleugenol	0.26 ± 0.09 ^b	0.18 ± 0.10 ^a	0.05 ± 0.03 ^a	0.24 ± 0.19 ^a
28	13.008	1579	trans-4-Methoxycinnamaldehyde	0.09 ± 0.05	0.02 ± 0.03	0.02	0.41
Total Aldehyde				8.23	5.58	8.81	12.73
Aromatics
29	8.2	1100	p-Cymenene	0.03 ± 0.02	0.07 ± 0.03	0.05 ± 0.06	0.10 ± 0.09
30	8.309	1110	Unknown	0.12 ± 0.05	0.94 ± 0.76	0.31 ± 0.23	0.66 ± 0.51
31	10.372	1315	α-Methylnaphthalene	0.15 ± 0.02	0.18 ± 0.03	0.38 ± 0.27	0.12 ± 0.04
32	10.541	1333	β-Methylnaphthalene	1.92 ± 3.00	0.02 ± 0.02	0.03 ± 0.02	0.22 ± 0.19
33	11.33	1415	Diphenyl ether	0.20 ± 0.07	0.13 ± 0.19	0.20 ± 0.15	0.10 ± 0.15
34	11.531	1435	Dimethylnaphthalene	0.14 ± 0.04	0.06 ± 0.03	0.03 ± 0.02	0.13
35	11.945	1475	Unknown	0.22 ± 0.11	0.10 ± 0.17	0.05 ± 0.06	0.02 ± 0.05
Total aromatics				2.78	1.5	1.05	1.35
Esters
36	8.26	1105	Methyl benzoate	2.02 ± 1.37	1.58 ± 0.69	2.22 ± 0.81	0.23
37	8.971	1171	Benzyl acetate	0.21 ± 0.16	0.13 ± 0.06	0.07 ± 0.08	0.19
38	9.341	1205	Methyl salicylate	0.11 ± 0.02	0.09 ± 0.03	0.09 ± 0.06	0.07
39	10.804	1361	α-Terpinyl acetate	0.08 ± 0.04 ^a	0.01 ± 0.01 ^b	0.11 ± 0.08 ^ab	0.11 ^ab
40	14.901	1785	Benzyl Benzoate	0.25 ± 0.11	0.40 ± 0.29	0.19 ± 0.12	0.35
Total esters				2.67	2.21	2.68	0.95
Ethers/Oxides
41	9.349	1207	Estragole	0.24 ± 0.12	0.17 ± 0.10	0.61 ± 0.46	0.28 ± 0.16
42	9.889	1264	Anethole	0.02 ± 0.00	0.09 ± 0.06	0.10 ± 0.05	0.13 ± 0.14
43	10.215	1299	Anethole isomer	6.02 ± 2.57	2.57 ± 3.02	4.53 ± 3.30	19.85 ± 32.11
44	10.266	1304	Safrole	0.07 ± 0.02	0.02 ± 0.00	0.16 ± 0.12	0.06 ± 0.04
45	10.882	1370	Eugenol	0.11 ± 0.02	0.02 ± 0.01	0.37 ± 0.02	0.15 ± 0.11
46	8.864	1161	Nerol oxide	0.77 ± 0.11	0.01 ± 0.00	0.26 ± 0.42	0.43 ± 0.28
Total ethers/Oxides				7.23	2.88	6.03	20.9
Ionones
47	9.951	1271	α-Ionene	0.047 ± 0.03	0.03 ± 0.02	0.42 ± 0.27	0.41 ± 0.38
48	10.913	1373	Dehydro-ar-ionene	0.65 ± 0.18	0.19 ± 0.07	2.35 ± 1.52	0.31 ± 0.27
49	10.942	1376	Megastigma-4,6(Z),8(E)-triene	0.03 ± 0.02	0.04 ±0.03	0.09 ± 0.05	0.05 ± 0.04
50	11.633	1445	Dihydro-β-ionone	0.02 ± 0.00	-	0.26 ± 0.17	0.08 ± 0.05
51	12.096	1490.73	β-Ionone	13.75 ± 3.37 ^a	6.09 ± 0.29 ^b	4.68 ± 3.40 ^b	11.52 ± 8.80 ^b
Total ionones				14.49	6.35	7.80	12.37
Acids
52	10.8	1361	n-Decanoic acid	0.06 ± 0.01	0.48 ± 0.64	0.07 ± 0.04	0.37 ± 0.31
Total acids				0.06	0.48	0.07	0.37
Nitrogenous Compounds
53	11.379	1420.76	Methyl methanthranilate	0.11 ± 0.02	0.05 ± 0.00	0.31 ± 0.10	0.08 ± 0.05
Total Nitrogenous Compounds				0.11	0.05	0.31	0.08
Phenols
54	11.737	1455.71	Thymoquinol	0.67	1.00	0.76	0.27
Total phenols				0.67	1.00	0.76	0.27
Aliphatic hydrocarbon
55	11.17	1400	Tetradecane	0.32 ± 0.21 ^b	0.33 ± 0.24 ^a	0.22 ± 0.20 ^ab	0.19 ± 0.15 ^a
56	13.219	1599	Hexadecane	0.06 ± 0.02	0.06 ± 0.04	0.02 ± 0.02	0.07 ± 0.03
57	14.244	1712	Heptadecane	0.10 ± 0.02	0.23 ± 0.18	0.04 ± 0.06	0.21± 0.14
58	15.195	1816	Octadecane	8.33 ± 14.41	0.14 ± 0.09	0.06 ± 0.04	0.11 ± 0.07
59	15.904	1891	Nonadecane	0.14 ± 0.04	0.32 ± 0.07	0.11 ± 0.03	0.25 ± 0.09
Total aliphatic hydrocarbon				8.95	1.08	0.45	0.83
Lactones
60	11.88	1469	γ-Decanolactone	17.14 ± 4.60	26.34 ± 6.66	31.19 ± 12.99	5.00 ± 4.37
61	12.179	1498	δ-Decalactone	2.16 ± 0.55	2.73 ± 0.16	2.51 ± 1.32	0.15 ± 0.13
62	12.698	1549	Dihydroactinidiolide	5.54 ± 1.16 ^a	7.76 ± 2.45 ^ab	1.46 ± 0.68 ^b	9.13 ± 6.31 ^ab
63	14.156	1703	γ-Dodecalactone	0.61 ± 0.13	1.48 ± 0.32	1.98 ± 0.72	0.54 ± 0.369
Total lactones				24.45	38.31	37.14	14.82
Fatty acids/esters
64	12.345	1515	Methyl laurate	0.75 ± 0.32	0.70 ± 0.34	0.23 ± 0.11	0.14 ± 0.12
65	14.439	1734	Methyl myristate	1.20 ± 0.47	2.13 ± 0.97	0.68 ± 0.23	0.34 ± 0.26
66	14.676	1761	Myristic acid	0.05 ± 0.01	0.11 ± 0.08	0.05 ± 0.03	0.32 ± 0.20
67	15.956	1896	Methyl palmitoleate	0.10 ± 0.04 ^a	0.34 ± 0.27 ^b	0.08 ± 0.03 ^ab	0.08 ± 0.06 ^ab
68	16.164	1918	Methyl palmitate	9.42 ± 3.29 ^a	20.32 ± 8.86 ^b	5.80 ± 1.90 ^b	8.10 ± 6.70 ^b
69	16.471	1950	Palmitic acid	0.31 ± 0.04 ^a	0.68 ± 0.93 ^ab	0.13 ± 0.07 ^b	2.77 ± 2.04 ^b
70	18.234	2134	8,11-Octadecadienoic acid, methyl ester	0.76 ± 0.32	1.11 ± 0.33	0.22 ± 0.06	1.88 ± 1.90
Total fatty acids/ester				12.59	25.39	7.19	13.63

AP-B1-F; Manshiet Al-Ammar bitter apricot fruits (Muddy soil), AP-B2-F; Al-Amar Al-Kubra bitter apricot fruit (Muddy soil), AP-M3-F; Nubaria mountain bitter apricot fruit (Sandy soil), AP-S2-F; Al-Amar Al-Kubra sweet apricot fruit (Muddy soil).