. 2022 Jan 12;12:588. doi: 10.1038/s41598-021-04577-x

Table 5.

Chemical profiling of red holy basil under different light spectrum ratios (3R:1B, 1R:1B, 2R:1G:2B, and 1R:3B) at flowering stage.

Compound	Molecular formula	Class	RT(min)	Peak area %
Compound	Molecular formula	Class	RT(min)	3R:1B	1R:1B	2R:1G:2B	1R:3B
Endo-Borneol	C₁₀H₁₈O	Monoterpenoid	13.814	0.62	0.85	nd	1.21
Methyleugenol	C₁₁H₁₄O₂	Phenylpropanoid	23.786	78.12	72.58	77.58	78.29
Caryophyllene	C₁₅H₂₄	Squiterpenoid	24.453	12.21	14.73	13.93	13.48
Humulene	C₁₅H₂₄	Squiterpenoid	25.929	0.48	0.57	0.30	nd
α-Guaiene	C₁₅H₂₄	Squiterpenoid	28.053	1.19	1.40	1.43	1.68
α-Copaene	C₁₅H₂₄	Squiterpenoid	22.619	1.51	1.93	1.23	0.90
α-Bisabolene	C₁₅H₂₄	Squiterpenoid	30.983	nd	1.13	nd	nd
Germacrene D	C₁₅H₂₄	Squiterpenoid	26.984	3.69	4.14	3.63	3.06
Caryophyllene oxide	C₁₅H₂₄O	Squiterpenoid	30.977	0.94	nd	0.51	0.70
β-Copaene	C₁₅H₂₄	Squiterpenoid	28.046	nd	1.01	0.64	nd
Neophytadiene	C₂₀H₃₈	Diterenoid	40.399	0.67	0.95	nd	nd
Phytol	C₂₀H₄₀O	Diterenoid	49.135	0.57	0.72	0.75	0.67
Total phenylpropanoid				78.11944	72.58	77.57923	78.28789
Total squiterpenoid				20.01809	24.89679	21.6715	19.82613
Total monoterpenoid				0.621864	0.848059	nd	1.212162
Total diterpenoid				1.240606	1.673167	0.749276	0.673827
Total				100	100	100	100

“nd” indicates not detected. R, G and B represent the red, green and blue llight spectra, respectively, and number before the letters stand for the ratio of each lighrt spectra.