Table 4 GC–MS profiling based variations of essential oil compounds in clonally propagated lines and two check varieties of damask rose during 2021 and 2022.

From: Phenotyping floral traits and essential oil profiling revealed considerable variations in clonal selections of damask rose (Rosa damascena Mill.)

S. No	Compound name	RT	RI_Cal	RI_Lit	Clonal lines								Check varieties
					CSIR-IHBT-RD-01		CSIR-IHBT-RD-02		CSIR-IHBT-RD-03		CSIR-IHBT-RD-04		Himroz		Jwala
					2021	2022	2021	2022	2021	2022	2021	2022	2021	2022	2021	2022
Oxygenated monoterpenes
1	α-Pinene	5.38	943	942	nd	nd	0.98	0.26	0.35	0.46	0.78	1.33	0.83	0.53	0.49	0.54
2	β-Myrcene	6.771	992	998	nd	nd	0.25	0.23	nd	nd	0.43	0.15	0.47	0.38	0.34	0.34
3	Linalool L	10.355	1099	1095	nd	nd	0.71	0.84	0.38	1.00	nd	nd	nd	nd	nd	nd
4	cis-Rose oxide	10.718	1110	1106	0.26	0.25	1.15	0.36	1.04	0.34	1.65	0.25	1.67	1.16	1.16	1.14
5	trans- Rose oxide	11.298	1128	1122	0.14	0.13	0.29	0.18	0.29	0.15	1.23	0.1	1.26	1.43	1.13	1.34
6	Terpinen-4-ol	13.266	1182	1174	nd	nd	nd	0.22	0.14	0.21	nd	nd	nd	nd	nd	nd
7	α-Terpineol	13.785	1195	1188	nd	nd	0.35	nd	0.25	0.16	0.37	0.31	0.34	0.29	0.27	0.28
8	Citronellol	15.279	1239	1228	20.57	20.35	27.97	27.37	30.18	34.25	37.20	44.75	36.95	34.85	35.73	34.89
9	Neral	15.347	1241	1238	0.27	0.26	nd	nd	nd	nd	nd	nd	0.59	1.08	1.10	1.08
10	Geraniol	16.319	1268	1256	15.69	15.63	23.72	20.55	23.17	24.93	27.41	23.16	27.22	27.75	28.03	27.76
	Sub total				36.93	36.62	55.42	50.01	55.8	61.5	69.07	70.05	69.33	67.47	68.25	67.37
Oxygenated sesquiterpenes
11	Citronellyl acetate	19.161	1348	1352	0.50	0.50	0.72	0.76	0.82	0.72	0.34	0.77	0.32	0.32	0.30	0.32
12	Eugenol	19.302	1352	1356	0.21	0.20	1.72	1.03	2.18	1.17	1.08	1.81	0.99	0.77	0.67	0.80
13	Neryl acetate	20.141	1376	1365	2.49	2.41	2.76	2.26	2.33	2.35	1.65	1.74	1.01	1.12	1.14	1.13
14	Methyleugenol	20.894	1396	1400	0.36	0.37	1.47	0.91	1.24	0.55	0.75	0.81	0.77	0.71	0.69	0.72
	Sub total				3.56	3.48	6.67	4.96	6.57	4.79	3.82	5.13	3.09	2.92	2.8	2.97
Sesquiterpenes hydrocarbons
15	trans-Caryophyllene	21.655	1420	1419	0.45	0.43	1.26	0.72	0.61	0.53	0.64	0.41	0.67	0.53	0.49	0.53
16	α-Guaiene	22.153	1435	1439	0.35	0.33	0.74	0.48	nd	nd	0.57	0.31	0.56	0.5	0.48	0.48
17	α-Humulene	22.841	1456	1456	0.41	0.42	0.87	1.60	0.45	0.43	0.60	0.34	0.58	0.57	0.57	0.58
18	Germacrene D	23.672	1481	1482	0.80	0.77	2.50	0.27	1.37	1.21	1.23	1.13	1.00	0.88	0.88	0.89
19	Pentadecane	24.231	1497	1500	0.38	0.39	0.29	0.27	0.37	0.29	0.28	0.36	0.28	0.27	0.27	0.27
20	Farnesene	24.341	1502	1509	0.28	0.29	0.74	0.42	0.48	0.36	0.44	0.39	0.45	0.38	0.35	0.37
	Sub Total				2.67	2.63	6.40	3.76	3.28	2.82	3.76	2.94	3.54	3.13	3.04	3.12
Aliphatic hydrocarbons
21	Heptadecane	30.327	1696	1700	2.45	2.44	1.59	1.71	2.19	1.62	1.48	1.31	1.51	1.24	1.40	1.38
22	n-Octadecane	33.140	1802	1800	1.66	0.38	0.19	0.21	0.22	0.16	nd	nd	nd	nd	nd	nd
23	9-Eicosene, (E)-	35.132	1872	1874	4.33	4.35	2.26	3.31	3.22	3.09	1.88	1.77	1.87	1.72	1.72	1.73
24	n-Nonadecane	35.843	1896	1900	28.54	28.78	16.76	19.85	18.4	15.47	13.02	10.83	13.12	13.7	14.20	13.73
25	Eicosane	38.389	2001	2000	3.00	3.04	1.52	2.36	1.45	1.58	1.12	1.07	1.12	1.22	1.22	1.22
26	Heneicosane	40.848	2095	2100	15.70	15.80	8.66	12.63	7.86	7.69	5.33	4.96	5.37	5.64	5.81	5.63
	Sub total				55.68	54.79	30.98	40.07	33.34	29.61	22.83	19.94	22.99	23.52	24.35	23.69
	Total				98.84	97.52	99.47	98.80	98.99	98.72	99.48	98.06	98.95	97.04	98.44	97.15
	*C/G Ratio				1.31	1.30	1.18	1.33	1.30	1.37	1.36	1.93	1.36	1.26	1.27	1.26

RT; Retention time RI_Cal; Retention index calculated, RI_Lit; Retention index from literature, nd = not detected, *C/G Ratio = Citronellol/Geraniol ratio.

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Table 4 GC–MS profiling based variations of essential oil compounds in clonally propagated lines and two check varieties of damask rose during 2021 and 2022.

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