Table 4.
Chemical profiling of red holy basil under different light spectrum ratios (3R:1B, 1R:1B, 2R:1G:2B, and 1R:3B) at vegetative stage.
| Compound | Molecular formula | Class | RT(min) | Peak area % | |||
|---|---|---|---|---|---|---|---|
| 3R:1B | 1R:1B | 2R:1G:2B | 1R:3B | ||||
| Endo-Borneol | C10H18O | Monoterpenoid | 13.814 | 0.47 | nd | 0.33 | nd |
| Methyleugenol | C11H14O2 | Phenylpropanoid | 23.786 | 78.76 | 79.67 | 80.77 | 79.14 |
| Caryophyllene | C15H24 | Squiterpenoid | 24.453 | 13.27 | 14.53 | 12.01 | 13.25 |
| Humulene | C15H24 | Squiterpenoid | 25.929 | 0.52 | 0.40 | nd | 1.10 |
| α-Copaene | C15H24 | Squiterpenoid | 22.619 | 1.09 | nd | 0.95 | 0.71 |
| α-Cubebene | C15H24 | Squiterpenoid | 22.623 | nd | 0.70 | nd | nd |
| Germacrene D | C15H24 | Squiterpenoid | 26.984 | 2.64 | 2.14 | 2.56 | 2.18 |
| β-Elemene | C15H24 | Squiterpenoid | 23.212 | nd | 0.68 | 0.61 | nd |
| Caryophyllene oxide | C15H24O | Squiterpenoid | 30.977 | 1.40 | 1.89 | 1.66 | 2.13 |
| β-Acoradiene | C15H24 | Squiterpenoid | 28.046 | 0.80 | nd | nd | nd |
| Acoradiene | C15H24 | Squiterpenoid | 25.941 | nd | nd | nd | 0.79 |
| Neophytadiene | C20H38 | Diterenoid | 40.399 | 1.04 | nd | 1.10 | 0.72 |
| Total phenylpropanoid | 78.76077 | 79.66919 | 80.76836 | 79.13866 | |||
| Total squiterpenoid | 19.72658 | 20.33081 | 17.7968 | 20.14198 | |||
| Total monoterpenoid | 0.474692 | 0 | 0.334441 | 0 | |||
| Total diterpenoid | 1.037956 | 0 | 1.100399 | 0.719362 | |||
| 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.