Table 3.

Amount of main volatile compounds (mean percentage of total volatile content) in leaves of basil plants grown under fluorescent light (CK₁) or LED lights at varying R:B ratio (RB_0.5, RB₁, RB₂, RB₃, and RB₄).

Compound	RT (min)	CK1 (%)	RB0.5 (%)	RB1 (%)	RB2 (%)	RB3 (%)	RB4 (%)
α-pinene	4.026	0.5 ± 0.3	1.4 ± 0.8	0.5 ± 0.2	0.3 ± 0.0	0.9 ± 0.3	0.6 ± 0.2
α-phellandrene	4.158	0.3 ± 0.1	2.0 ± 0.9	0.2 ± 0.0	0.2 ± 0.1	0.5 ± 0.2	0.3 ± 0.1
β-pinene	6.360	0.8 ± 0.4	3.2 ± 1.2	0.4 ± 0.2	0.5 ± 0.1	0.9 ± 0.3	0.8 ± 0.3
β-phellandrene	6.993	2.2 ± 0.8	3.2 ± 2.0	0.8 ± 0.4	1.3 ± 0.2	2.1 ± 1.1	2.0 ± 0.2
Myrcene	9.573	3.6 ± 0.3	3.9 ± 2.4	3.0 ± 0.5	2.9 ± 0.3	4.7 ± 1.7	4.0 ± 0.4
Terpinolene	10.055	1.7 ± 0.4	3.4 ± 0.4	1.1 ± 0.2	1.1 ± 0.2	2.3 ± 0.8	1.5 ± 0.3
D-limonene	11.196	1.8 ± 0.4	3.4 ± 0.4	1.2 ± 0.2	1.2 ± 0.1	2.0 ± 0.5	1.9 ± 0.3
Eucalyptol	11.592	1.0 ± 0.4	2.2 ± 0.8	2.4 ± 0.1	0.7 ± 0.1	2.3 ± 1.0	1.7 ± 0.6
β-cis-ocimene	14.589	7.0 ± 3.9	12.9 ± 1.9	8.5 ± 1.8	9.1 ± 1.7	12.2 ± 2.4	11.9 ± 1.1
Linalool	26.322	44.6 ± 1.7	12.8 ± 3.1	37.1 ± 3.4	42.7 ± 6.0	35.9 ± 2.6	38.6 ± 5.1
humulene	29.576	0.9 ± 0.1	1.0 ± 0.3	1.0 ± 0.2	0.7 ± 0.1	1.0 ± 0.2	1.4 ± 0.8
β-farnesene	30.000	1.7 ± 0.3	3.8 ± 0.9	3.0 ± 0.5	2.4 ± 1.0	5.1 ± 1.3	2.5 ± 1.0
β-cubebene	30.770	2.4 ± 0.3	2.5 ± 0.6	3.3 ± 0.9	2.4 ± 0.1	2.6 ± 0.3	3.5 ± 1.3
α-bergamotene	31.959	17.8 ± 1.1	28.6 ± 5.9	25.1 ± 1.6	23.5 ± 2.5	17.0 ± 3.4	16.9 ± 1.6
γ-muurolene	32.272	3.2 ± 0.5	3.0 ± 0.8	3.6 ± 0.9	2.8 ± 0.2	3.2 ± 0.4	3.9 ± 1.1
Isoeugenol	42.402	2.1 ± 1.0	1.4 ± 0.7	0.4 ± 0.1	0.6 ± 0.2	1.2 ± 0.3	0.6 ± 0.2
Percentage of total included		91.6 ± 0.6	88.7 ± 2.0	91.6 ± 1.3	92.4 ± 2.1	93.9 ± 1.0	92.2 ± 1.8

Mean values of 3 replicate plants per treatment (experiment 3) ± SE. In bold, most represented volatiles.