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Table 2 Type of compounds present in Camellia japonica leaf extract and anti-inflammatory compounds in it

From: Natural anti-inflammatory terpenoids in Camellia japonica leaf and probable biosynthesis pathways of the metabolome

Peak index Camellia japonica leaf compounds Type Area%
1 Eucalyptol (Juergens et al. 2003) Monoterpene 1.18
2 Linalyl acetate (Peana et al. 2002) Monoterpene 0.66
3 1,7,7-trimethylbicyclo[2.2.1]hept-2-yl acetate (Yang et al. 2014) Monoterpene 0.43
4 3-cyclohexene-1-methanol, .alpha.,.alpha.,4… (Held et al. 2007) Monoterpene 1.79
5 Epiglobulol (Jayaprakash et al. 2019) Sesquiterpene 0.31
6 1 h-cycloprop[e]azulene, 1A,2,3,4,4A,5,6,7B-oct… (Rajput et al. 2018) Sesquiterpene 1.89
7 Caryophyllene (Fernandes et al. 2007) Sesquiterpene 1.32
8 Isoledene Sesquiterpene 1.32
10 Seychellene (Raharjo et al. 2017) Sesquiterpene 0.22
11 Neoalloocimene (Pravdich-Neminskaya and Kachkov 1978) Sesquiterpene 0.14
12 1H-3a,7-Methanoazulene, 2,3,6,7,8,8a-hexahydro-1,4,9,9-t Sesquiterpene 0.16
13 1H-3a,7-Methanoazulene, octahydro-1,9,9-trimethyl-4-met Sesquiterpene 0.16
14 Bicyclo[7.2.0]undec-4-ene, 4,11,11-trimethyl-8 (Tambe et al. 1996) Sesquiterpene 0.34
15 (1S,2E,6E,10R)-3,7,11,11-Tetramethylbicyclo[8.1.0]undeca Sesquiterpene 0.28
16 (1AR,3AS,7S,7AS,7BR)-1,1,3a,7-Tetramethyldecahydro-1H- or maaliol (Sah et al. 2012) Sesquiterpene 0.79
17 1H-Cycloprop[E]azulen-7-ol, decahydro-1,1,7-trimethyl-4-m or (+)-spathulenol (do Nascimento et al. 2018) Sesquiterpene 0.61
18 1,2-benzenedicarboxylic acid, diethyl ester (Singh et al. 2012) Phthalate ester 5.11
19 Epicurzerenone (Makabe et al. 2006) Sesquiterpene 1.81
22 1,1,4,7-Tetramethyldecahydro-1H-cyclopropa[e]azulene-4,7 Sesquiterpene 0.98
23 Trideuteriomethyl 10-epoxy-7-ethyl-3,11-dim   1.17
24 Methyl (3-oxo-2-pentylcyclopentyl)acetat… (Dang et al. 2008)   1.83
27 2-penten-1-ol, 5-(2,3-dimethyltricyclo[2.2.1.02… (Bommareddy et al. 2019) Sesquiterpene 1.3
28 Patchouli alcohol (Li et al. 2011) Sesquiterpene 3.49
29 1-Naphthalenepropanol, .alpha.-ethenyldecahydro-2-hydrox… (Tsai et al. 2018) Diterpene 0.61
30 (3AR,4R,7R)-1,4,9,9-Tetramethyl-3,4,5,6,7,8-hexahydro-2H… or cyperenone (Gupta and Shaw 2009) Sesquiterpene 0.45
31 Santalol, E-cis,epi-.beta.- Sesquiterpene 2.24
32 2-furanmethanol, 5-ethenyltetrahydro-.a Monoterpene 0.25
34 Acetyl cedrene Sesquiterpene 0.58
35 1H-Benzocyclohepten-7-ol, 2,3,4,4A,5,6,7,8-octahydro-1,1, … or widdrol (Jin et al. 2015) Sesquiterpene 0.36
36 Neophytadiene (Bhardwaj et al. 2020) Sesquiterpene 0.83
37 4,6,6,7,8,8-hexamethyl-1,3,4,6,7,8-hexahydrocy   0.44
38 7-acetyl-1,1,3,4,4,6-hexamethyl tetralin   0.44
39 Ethylene brassylate (Kim et al. 2006)   1.59
40 Cyclododecasiloxane, tetracosamethyl- (Kumar et al. 2018)   0.16
43 Bis(2-ethylhexyl) phthalate (Mohammed et al. 2014) Phthalate ester 2.41
44 Squalene (Fernando et al. 2018) Triterpene 27.25
45 Cb-86 Cannabinoid 0.43
46 Solanesol (Yan et al. 2015) Terpene-alcohol 0.55
47 Oxirane, 2,2-dimethyl-3-(3,7,12,16,20-pentamethyl-3,7,11,1 Triterpene 1.25
48 Vitamin E (Jiang 2014) Tocopherols 5.01
49 Methyl commate B (Arora and Kumar 2018) Triterpene 4.26
50 Lupeol (Saleem 2009) Triterpene 17.26
  1. Anti-inflammatory compounds are written in bold. References against each anti-inflammatory compound are given in round brackets