Applying quantitative spatial phenotypes analysis to the investigation of peltate glandular trichomes development pattern in Perilla frutescens

Table 3 The compounds identified in the volatile oils of P. frutescens

No	Retention time (min)	Name	Formula	Molecular mass (g/mol)	Relative content (%)	Identification mode
1	3.083	o-Xylene	C₈H₁₀	106.1	1.3%	NIST
2	3.278	Styrene	C₈H₈	104.1	1.1%	NIST
3	3.306	Ethylbenzene	C₈H₁₀	106.1	1.9%	NIST
4	4.22	1-octen-3-ol	C₈H₁₆O	128.1	0.6%	NIST
5	5.256	Dodecane, 2,6,10-trimethyl-	C₁₅H₃₂	212.3	0.9%	NIST
6	7.222	Dodecane	C₁₂H₂₆	170.2	0.7%	NIST
7	7.465	Benzaldehyde, 2,5-dimethyl-	C₉H₁₀O	134.1	0.6%	NIST
8	7.899	Perillaketone	C₁₀H₁₄O₂	166.2	48.6%	RS/NIST
9	8.084	Tetradecane, 2,6,10-trimethyl-	C₁₇H₃₆	240.3	1.3%	NIST
10	8.287	Dodecane, 2,6,11-trimethyl-	C₁₅H₃₂	212.3	1.6%	NIST
11	8.396	Octadecane, 3-ethyl-5-(2-ethylbutyl)-	C₂₆H₅₄	366.4	0.5%	NIST
12	8.457	Egomaketone	C₁₀H₁₂O₂	164.2	2.2%	RS/NIST
13	8.539	Isoegomaketone	C₁₀H₁₂O₂	164.2	13.6%	RS/NIST
14	8.835	Heptacosane	C₂₇H₅₆	380.4	1.2%	NIST
15	9.639	Tetradecane	C₁₄H₃₀	198.2	2.2%	NIST
16	9.864	Heptadecane, 9-hexyl-	C₂₃H₄₈	324.4	0.7%	NIST
17	9.94	β-Caryophyllene	C₁₅H₂₄	204.2	3.8%	RS/NIST
18	10.575	Bicyclo[3.1.1]hept-2-ene, 2,6-dimethyl-6-(4-methyl-3-pentenyl)-	C₁₅H₂₄	204.2	11.0%	NIST
19	10.726	Phenol, 2,4-bis(1,1-dimethylethyl)-	C₁₄H₂₂O	206.2	6.0%	NIST

RS: Identified according to reference substance, NIST: Identified according to National Institute of Standards and Technology mass spectral library

ISSN: 1746-4811