Table 2.
No. | Volatile components | RA (%) | |||
---|---|---|---|---|---|
Dahongpao | Meihuajiao | ||||
Fresh | Dried | Fresh | Dried | ||
Aldehydes | |||||
1 | (E)-2-hexenal | 0.05 ± 0.00 | nd | 0.06 ± 0.02 | nd |
2 | (E,E)-2,4-hexadienal | 0.02 ± 0.00 | 0.03 ± 0.02 | 0.02 ± 0.01 | 0.01 ± 0.00 |
3 | Citronellal | 0.12 ± 0.00 | 0.11 ± 0.04 | 0.11 ± 0.00 | 0.10 ± 0.03 |
4 | (E)-2-nonenal | 0.04 ± 0.00 | 0.03 ± 0.02 | 0.03 ± 0.00 | 0.02 ± 0.02 |
5 | Decanal | nd | nd | nd | 0.02 ± 0.00 |
6 | Undecanal | 0.01 ± 0.00 | nd | 0.01 ± 0.00 | 0.01 ± 0.00 |
7 | 2-Undecenal | nd | nd | 0.02 ± 0.00 | nd |
Sum | 0.24 ± 0.00 | 0.16 ± 0.08 | 0.23 ± 0.03 | 0.16 ± 0.05 | |
Alcohols | |||||
8 | Eucalyptol | 7.46 ± 1.09 | 6.39 ± 0.17 | 6.79 ± 0.17 | 5.91 ± 0.31 |
9 | β-Terpineol | 0.52 ± 0.09 | 0.83 ± 0.25 | 0.59 ± 0.07 | 0.76 ± 0.14 |
10 | (Z)-nerol | 0.06 ± 0.01 | 0.09 ± 0.00 | 0.04 ± 0.00 | nd |
11 | Linalool oxide | 0.02 ± 0.01 | 0.10 ± 0.07 | 0.02 ± 0.01 | nd |
12 | Cis-p-2-menthen-1-ol | 0.21 ± 0.01 | 0.29 ± 0.11 | 0.20 ± 0.02 | 0.14 ± 0.06 |
13 | 8-Hydroxylinalool | nd | 0.01 ± 0.00 | nd | 0.03 ± 0.02 |
14 | Neoiso-isopulegol | 0.04 ± 0.02 | 0.05 ± 0.04 | 0.03 ± 0.00 | 0.02 ± 0.00 |
15 | 2,7-Dimethyl-1-octanol | 0.02 ± 0.00 | 0.03 ± 0.02 | 0.01 ± 0.00 | 0.02 ± 0.02 |
16 | 4-Terpineol | 4.10 ± 0.22 | 4.33 ± 0.16 | 4.03 ± 0.12 | 4.55 ± 0.43 |
17 | (s)-(−)-perillyl alcohol | nd | 0.06 ± 0.00 | nd | nd |
18 | 3,7-Dimethyl-2-octen-1-ol | nd | 0.10 ± 0.01 | nd | 0.02 ± 0.00 |
19 | Ethanol | 0.21 ± 0.00 | nd | 0.21 ± 0.02 | nd |
20 | Linalool | 23.89 ± 1.02 | 17.62 ± 0.40 | 21.29 ± 0.38 | 18.29 ± 0.84 |
21 | α-Terpineol | 1.94 ± 0.25 | 1.29 ± 0.04 | 1.50 ± 0.04 | 1.22 ± 0.09 |
22 | 8-p-menthene-1,2-diol | 0.05 ± 0.02 | 0.01 ± 0.00 | 0.06 ± 0.01 | 0.02 ± 0.00 |
23 | 1,8-cineole | 0.11 ± 0.01 | 0.13 ± 0.01 | 0.1 ± 0.00 | 0.11 ± 0.00 |
24 | Citronellol | 0.07 ± 0.01 | 0.10 ± 0.00 | 0.06 ± 0.00 | 0.04 ± 0.01 |
25 | Geraniol | 1.34 ± 0.07 | 1.11 ± 0.06 | 1.81 ± 0.03 | 1.24 ± 0.12 |
26 | Tetrahydrolavandulol | nd | 0.06 ± 0.01 | nd | 0.02 ± 0.00 |
27 | Trans-nerolidol | nd | nd | 0.02 ± 0.00 | nd |
28 | Nerolidol | 0.03 ± 0.00 | 0.04 ± 0.02 | 0.02 ± 0.00 | 0.02 ± 0.00 |
29 | τ-Cadinol | 0.07 ± 0.02 | 0.04 ± 0.01 | 0.07 ± 0.01 | 0.03 ± 0.00 |
30 | β-Eudesmol | 0.03 ± 0.00 | 0.03 ± 0.01 | 0.02 ± 0.00 | 0.01 ± 0.00 |
31 | α-Cadinol | nd | 0.05 ± 0.00 | 0.07 ± 0.02 | 0.04 ± 0.01 |
32 | τ-Muurolol | 0.05 ± 0.00 | 0.03 ± 0.01 | 0.07 ± 0.00 | nd |
33 | α-Bisabolol | nd | nd | nd | 0.02 ± 0.01 |
34 | Carotol | 0.03 ± 0.00 | 0.02 ± 0.01 | 0.02 ± 0.00 | nd |
35 | Epiglobulol | nd | 0.02 ± 0.00 | nd | nd |
Sum | 40.25 ± 2.85 | 32.83 ± 1.41 | 37.03 ± 0.90 | 32.51 ± 2.06 | |
Esters | |||||
36 | Isobutyl acetate | 0.06 ± 0.02 | 0.11 ± 0.00 | 0.08 ± 0.01 | 0.11 ± 0.00 |
37 | Isobutyl propionate | nd | 0.01 ± 0.00 | nd | nd |
38 | Methyl 3-methylpentanoate | nd | 0.02 ± 0.02 | nd | nd |
39 | Methyl isocaproate | 0.01 ± 0.00 | 0.01 ± 0.01 | 0.01 ± 0.00 | nd |
40 | Methyl 4-methyl-2-pentenoate | 0.01 ± 0.00 | 0.01 ± 0.02 | 0.01 ± 0.00 | 0.01 ± 0.00 |
41 | Hexyl acetate | nd | nd | 0.01 ± 0.00 | 0.02 ± 0.03 |
42 | Hexyl propionate | 0.02 ± 0.01 | nd | nd | nd |
43 | Nonyl acetate | 0.04 ± 0.01 | 0.03 ± 0.01 | 0.03 ± 0.00 | 0.04 ± 0.02 |
44 | Methyl phenylacetate | 0.01 ± 0.00 | 0.01 ± 0.01 | 0.01 ± 0.00 | 0.02 ± 0.02 |
45 | 2-Phenylethyl acetate | 0.01 ± 0.00 | 0.09 ± 0.00 | 0.02 ± 0.00 | 0.08 ± 0.00 |
46 | Bornyl acetate | 0.03 ± 0.00 | 0.02 ± 0.00 | 0.02 ± 0.00 | nd |
47 | Myrtenyl acetate | nd | 0.01 ± 0.00 | nd | nd |
48 | α-Terpineol acetate | 0.04 ± 0.01 | 0.04 ± 0.00 | 0.05 ± 0.01 | 0.04 ± 0.00 |
49 | Linalyl octanoate | 0.01 ± 0.00 | 0.01 ± 0.00 | 0.02 ± 0.01 | 0.01 ± 0.00 |
50 | Trans-carveyl acetate | 0.05 ± 0.02 | nd | 0.04 ± 0.00 | nd |
51 | Trans-farnesol acetate | 0.02 ± 0.01 | 0.02 ± 0.00 | 0.02 ± 0.00 | 0.03 ± 0 |
Sum | 0.27 ± 0.06 | 0.35 ± 0.08 | 0.26 ± 0.02 | 0.29 ± 0.07 | |
Alkanes | |||||
52 | 1,2-Diisopropenylcyclobutane | 0.03 ± 0.00 | 0.04 ± 0.00 | 0.06 ± 0.00 | nd |
53 | 7-Propylidene-bicyclo[4.1.0]heptane | 0.01 ± 0.00 | nd | nd | 0.01 ± 0.00 |
54 | 8-Methylene-3-oxatricyclo[5.2.0.0(2,4)]nonane | nd | 0.05 ± 0.00 | nd | nd |
55 | Decane | 0.03 ± 0.00 | nd | 0.03 ± 0.00 | nd |
56 | 4-Methyl-dodecane | nd | nd | nd | 0.01 ± 0.00 |
57 | 1,2-Epoxy-p-menth-8-ene | nd | 0.03 ± 0.02 | 0.01 ± 0.00 | 0.02 ± 0.02 |
58 | 2-Methylene-4,8,8-trimethyl-4-vinyl-bicyclo[5.2.0]nonane | nd | nd | nd | 0.02 ± 0.01 |
59 | Hexadecane | nd | nd | nd | 0.01 ± 0.00 |
Sum | 0.07 ± 0.00 | 0.12 ± 0.02 | 0.10 ± 0.00 | 0.07 ± 0.03 | |
Olefins | |||||
60 | p-Cymene | 0.27 ± 0.01 | 0.33 ± 0.01 | 0.25 ± 0.04 | 0.23 ± 0.10 |
61 | α-Cubebene | 0.20 ± 0.06 | 0.25 ± 0.03 | 0.26 ± 0.03 | 0.29 ± 0.07 |
62 | γ-Gurjunene | 0.02 ± 0.01 | 0.05 ± 0.01 | 0.03 ± 0.01 | 0.02 ± 0.00 |
63 | γ-Cadinene | 0.54 ± 0.11 | 0.46 ± 0.12 | 0.38 ± 0.25 | 0.39 ± 0.07 |
64 | Sabinene | nd | 0.37 ± 0.01 | nd | 0.30 ± 0.02 |
65 | Azulene | nd | 0.03 ± 0.01 | 0.01 ± 0.00 | nd |
66 | Tricyclene | nd | 0.01 ± 0.01 | nd | nd |
67 | (−)-Camphene | 0.02 ± 0.00 | 0.04 ± 0.02 | 0.02 ± 0.00 | 0.02 ± 0.00 |
68 | Sabenene | 3.21 ± 0.63 | 6.53 ± 0.10 | nd | 6.60 ± 0.01 |
69 | β-Copaene | 0.03 ± 0.00 | nd | nd | nd |
70 | Styrene | 0.01 ± 0.00 | 0.01 ± 0.01 | 0.01 ± 0.00 | nd |
71 | 1,3,5,7-Cyclooctatetraene | 0.01 ± 0.00 | nd | 0.01 ± 0.00 | nd |
72 | α-Thujene | 0.60 ± 0.13 | 1.26 ± 0.02 | 0.78 ± 0.01 | 1.40 ± 0.04 |
73 | α-Pinene | 0.15 ± 0.03 | 0.54 ± 0.22 | 0.19 ± 0.00 | 0.34 ± 0.12 |
74 | β-Phellandrene | nd | nd | nd | 0.05 ± 0.00 |
75 | β-Pinene | 0.16 ± 0.03 | 0.55 ± 0.17 | 0.18 ± 0.00 | 0.32 ± 0.02 |
76 | 2-Methyl-6-methylene-1,7-octadiene | 0.01 ± 0.00 | nd | 0.01 ± 0.00 | 0.02 ± 0.00 |
77 | β-Myrcene | 5.63 ± 0.81 | 7.8 ± 0.29 | 6.56 ± 0.03 | 7.94 ± 0.19 |
78 | α-Phellandrene | 0.36 ± 0.03 | 0.48 ± 0.14 | 0.40 ± 0.01 | 0.46 ± 0.07 |
79 | 3-Carene | nd | nd | nd | 0.07 ± 0 |
80 | α-Terpilene | 1.34 ± 0.18 | 1.47 ± 0.00 | 1.55 ± 0.03 | 1.62 ± 0.04 |
81 | d-limonene | 21.04 ± 3.56 | 27.28 ± 2.64 | 26.11 ± 0.18 | 31.98 ± 1.19 |
82 | β-Ocimene | 2.48 ± 0.75 | 4.27 ± 0.07 | 3.36 ± 0.14 | 4.30 ± 0.27 |
83 | γ-Terpilene | 1.88 ± 0.26 | 2.22 ± 0.06 | 2.31 ± 0.04 | 2.48 ± 0.10 |
84 | Terpinolene | 1.51 ± 0.61 | 1.02 ± 0.00 | 1.23 ± 0.01 | 1.07 ± 0.02 |
85 | 1,3,8-p-menthatriene | 0.13 ± 0.01 | 0.12 ± 0.09 | 0.11 ± 0.02 | 0.12 ± 0.08 |
86 | 1,3,6-Heptatriene | nd | 0.06 ± 0.00 | nd | nd |
87 | Santolina triene | 0.01 ± 0.00 | 0.05 ± 0.01 | nd | nd |
88 | Cosmene | nd | nd | nd | 0.03 ± 0.02 |
89 | Dihydroocimen | 0.04 ± 0.00 | 0.08 ± 0.00 | nd | nd |
90 | Copaene | 0.05 ± 0.02 | 0.07 ± 0.01 | 0.05 ± 0.01 | 0.04 ± 0.00 |
91 | 7-Tetradecene | nd | 0.03 ± 0.01 | nd | nd |
92 | Caryophyllene | 0.35 ± 0.03 | 0.35 ± 0.04 | 0.29 ± 0.00 | nd |
93 | Cis-limonene oxide | nd | 0.02 ± 0.02 | nd | 0.01 ± 0.00 |
94 | γ-Elemene | 0.04 ± 0.00 | 0.06 ± 0.01 | 0.02 ± 0.01 | 0.03 ± 0.00 |
95 | Di-epi-α-cedrene | nd | 0.04 ± 0.00 | nd | 0.01 ± 0.00 |
96 | (+)-Epi-bicyclosesquiphellandrene | 0.03 ± 0.00 | 0.07 ± 0.04 | 0.03 ± 0.01 | 0.03 ± 0.01 |
97 | α-Cubebene | 0.02 ± 0.00 | 0.02 ± 0.00 | nd | nd |
98 | (Z,Z,Z)-1,5,9,9-tetramethyl-1,4,7-cycloundecatriene | 0.28 ± 0.17 | 0.35 ± 0.04 | 0.31 ± 0.01 | 0.33 ± 0.05 |
99 | (E)-β-farnesene | 0.13 ± 0.02 | 0.14 ± 0.02 | 0.12 ± 0.01 | 0.11 ± 0.02 |
100 | Isocaryophillene | nd | nd | 0.15 ± 0.13 | nd |
101 | 2-Isopropyl-5-methyl-9-methylene-bicyclo[4.4.0]dec-1-ene | 0.03 ± 0.00 | nd | nd | 0.03 ± 0.02 |
102 | α-Bergamotene | 0.22 ± 0.05 | 0.21 ± 0.03 | 0.21 ± 0.02 | 0.22 ± 0.04 |
103 | α-Muurolene | 0.04 ± 0.01 | 0.04 ± 0.01 | 0.05 ± 0.00. | 0.05 ± 0.00 |
104 | 8-Isopropenyl-1,5-dimethyl-cyclodeca-1,5-diene | nd | 0.03 ± 0.01 | nd | 0.02 ± 0.00 |
105 | β-Patchoulene | nd | 0.03 ± 0.00 | nd | 0.02 ± 0.01 |
106 | β-Guaiene | nd | nd | 0.01 ± 0.00 | 0.01 ± 0.00 |
107 | α-Farnesene | 0.31 ± 0.03 | 0.24 ± 0.03 | 0.27 ± 0.00 | 0.28 ± 0.05 |
108 | Germacrene B | 0.20 ± 0.13 | 0.27 ± 0.04 | 0.21 ± 0.02 | 0.24 ± 0.05 |
109 | 1-Hydroxy-1,7-dimethyl-4-isopropyl-2,7-cyclodecadiene | nd | 0.03 ± 0.02 | nd | 0.02 ± 0.00 |
Sum | 41.35 ± 7.68 | 57.28 ± 4.37 | 45.48 ± 1.02 | 61.50 ± 2.68 | |
Ketones | |||||
110 | 3-Nonanone | 5.87 ± 3.79 | 1.66 ± 0.3 | 4.51 ± 1.44 | 0.84 ± 0.17 |
111 | Trans-isopulegone | 0.01 ± 0.00 | nd | 0.02 ± 0.01 | nd |
112 | 1,8-Epoxy-p-menthan-2-one | nd | 0.07 ± 0.00 | nd | nd |
113 | Piperitone | 0.05 ± 0.00 | 0.07 ± 0.00 | 0.04 ± 0.00 | 0.02 ± 0.00 |
114 | 7-Geranyloxycoumarin | nd | nd | 0.03 ± 0.02 | nd |
Sum | 5.93 ± 3.79 | 1.80 ± 0.30 | 4.60 ± 1.47 | 0.86 ± 0.17 | |
Total | 88.11 ± 14.38 | 92.54 ± 6.26 | 87.7 ± 3.44 | 95.39 ± 5.06 |
Data are expressed as mean ± standard deviation (n = 3)
nd not detected, RT retention time, RA relative area