Research Article

Chemical Constituents of Plectranthus tomentosa Extract and Its Control Effect on Tetranychus kanzawai

Table 3

Composition and relative contents of Plectranthus tomentosa extract.

No.Retention timeCompound nameMolecular weightRelative content

17.41Limonene13634.69
27.622 (3H)-Furanone, 5-ethenyldihydro-5-methyl-1260.08
38.63Bicyclo [3.1.0] hexan-2-ol, 2-methyl-5-(1-methylethyl)-, (1.alpha., 2.beta., 5.alpha.)-1540.13
49.02trans-p-Mentha-2,8-dienol1520.51
59.28cis-p-Mentha-2,8-dien-1-ol1520.17
69.37Bicyclo [3.1.1] heptan-3-ol, 6,6-dimethyl-2-methylene-1520.04
79.89Bicyclo [3.3.0] oct-2-en-7-one, 6-methyl-1360.16
810.02Benzene, 1,3-dimethyl-5-(1-methylethyl)-1480.06
910.27Terpineol1540.14
1010.597-Methyl-1,2,3,5,8,8a-hexahydronaphthalene1480.06
1110.78trans-Carveol1520.14
1210.95cis-p-Mentha-1 (7), 8-dien-2-ol1520.52
1311.28D-carvone1500.07
1411.821,7-Octadiene-3,6-diol, 2,6-dimethyl-1700.73
1512.15Bornyl acetate1962.20
1612.31(1S, 2R, 4R, 7R)-4-Isopropyl-7-methyl-3,8-dioxatricyclo [5.1.0.02, 4] octane1680.08
1712.42Cyclohexasiloxane, dodecamethyl-4440.21
1812.59alpha.-Cubebene2041.07
1913.00Terpinolene1368.66
2013.33alpha.-Copaene2040.77
2113.62Bicyclosesquiphellandrene2044.10
2213.83Methyl eugenol1781.12
2314.29Caryophyllene2041.13
2414.64alpha.-Guaiene2040.08
2514.94Valerena-4,7 (11)-diene2040.07
2615.44Alloaromadendrene2040.49
2716.01Benzene, 1-(1,5-dimethyl-4-hexenyl)-4-methyl-2020.09
2816.18(3R, 3aR,3bR,4S,7R,7aR)-4-Isopropyl-3,7-dimethyloctahydro-1h-cyclopenta [1, 3] cyclopropa [1,2] benzen-3-ol2220.77
2916.37trans-Calamenene2020.12
3016.48Pacifigorgiol2220.12
3117.30(1aR, 4S, 7R, 7aS, 7bR)-1,1,4,7-Tetramethyl-1a,2,3,4,6,7,7a,7b-octahydro-1h-cyclopropa[e]azulen-4-ol2200.08
3218.13(-)-Spathulenol2201.09
3318.36(-)-Globulol2221.36
3418.97(1R,2R,4S,6S,7S,8S)-8-Isopropyl-1-methyl-3-methylenetricyclo[4.4.0.02,7]decan-4-ol2200.35
3519.72Ledol2220.76
3620.02Muurola-4,10 (14)-dien-1.beta.-ol2200.22
3720.312-Naphthalenemethanol, decahydro-.alpha.,.alpha.,4a-trimethyl-8-methylene-, [2R-(2.alpha.,4a.alpha.,8a.beta.)]-2220.52
3820.44(1R, 4S)-4-Isopropyl-1,6-dimethyl-1,2,3,4-tetrahydronaphthalen-1-ol2180.60
3920.521 (2H)-Naphthalenone, octahydro-4a, 8a-dimethyl-7-(1-methylethyl)-, [4aR-(4a.alpha., 7.beta., 8a.alpha.)]-2223.28
4020.81(1R, 7S, E)-7-Isopropyl-4,10-dimethylenecyclodec-5-enol2200.60
4121.00(E)-3-((4S, 7R, 7aR)-3,7-Dimethyl-2,4,5,6,7,7a-hexahydro-1h-inden-4-yl)-2-methylacrylaldehyde2181.29
4221.58(-)-Aristolene2040.86
4321.83Cycloheptane, 4-methylene-1-methyl-2-(2-methyl-1-propen-1-yl)-1-vinyl-2040.06
4422.82Megastigma-4, 6 (Z),8 (E)-triene1760.09
4522.982-Pentadecanone, 6,10,14-trimethyl-2680.72
4623.34Biphenylene, 1,2,3,6,7,8,8a,8b-octahydro-4,5-dimethyl-1880.83
4723.79Phthalic acid, 7-bromoheptyl butyl ester3981.60
4823.901H-Indene-4-acetic acid, 6-(1,1-dimethylethyl)-2,3-dihydro-1,1-dimethyl-2600.39
4924.457-Isopropyl-1,1,4a-trimethyl-1,2,3,4,4a,9,10,10a-octahydrophenanthrene2700.06
5025.74Hexadecane, 2,6,10,14-tetramethyl-2820.21
5126.10Octadecane2542.23
5226.50Heptadecane2402.83
5326.83Docosane3100.20
5427.651-(2-Methoxyphenyl)-2,5-dihydro-1H-pyrrole-2,5-dione2031.29
5527.822-Hydroxy-3,4-tetramethylene-6-methoxy quinoline2290.06
5627.90Hentriacontane4371.92
5728.19Ferruginol2860.29
5828.473-Bromobenzyl alcohol, TMS derivative2580.89
5928.69Tetracosane3380.48
6029.191-Phenanthrenemethanol, 1,2,3,4,4a,9,10,10a-octahydro-1,4a-dimethyl-7-(1-methylethyl)-3280.18
6130.10Aristolene epoxide2200.08
6230.86(2Z, 4E)-3,7,11-Trimethyl-2,4,10-dodecatriene2060.07
6332.18Davana ether2340.05
6432.74Heneicosane2964.17
6533.29Nonadecane, 9-methyl-2820.48
6633.729,10-Dihydrodeoxynivalenol2980.05
6734.15Heptacosane3802.83
6834.61Octacosane3940.69
6935.27Triacontane4220.69