117828206
14
M. Sajewicz et al.
Table III. Dependence on the method of extractiona of the relative amountsb of volatile compounds isolated from samples of S. staminea collected in 2007 and 2008.
The retention times (*r) of the compounds are aiso given
|
Compound |
fR (min) |
Peak height (%) | |||||||
|
HS-70 |
HS-80 |
Deryng |
ASE | ||||||
|
2007 |
2008 |
2007 |
2008 |
2007 |
2008 |
2007 |
2008 | ||
|
or-Pinene |
10.97 |
10.09 |
3.72 |
8.75 |
5.28 |
2.64 |
6.36 | ||
|
Camphene |
11.75 |
4.86 |
1.44 |
2.47 | |||||
|
//-Pinene |
12.20 |
5.23 |
6.47 |
5.39 |
11.50 |
3.05 |
0.11 | ||
|
/?-Myrcene |
12.25 | ||||||||
|
o-Cymene |
13.15 | ||||||||
|
Limonene |
13.26 |
15.68 |
6.23 |
6.24 |
11.62 |
5.57 |
0.11 | ||
|
//-Phellandrene |
13.32 | ||||||||
|
/?-frans-Ocimene |
13.36 |
3.93 | |||||||
|
Eucalyptol |
13.50 |
3.58 |
3.88 |
1.12 |
5.85 |
0.54 |
4.47 | ||
|
ds-Ocimene |
13.91 |
2.30 |
0.29 | ||||||
|
i-Terpinene |
13.95 | ||||||||
|
p-Mentha-1,4- diene |
14.59 | ||||||||
|
Thujol |
15.12 |
3.33 |
2.51 |
7.01 |
0.41 | ||||
|
Thujenone |
15.35 |
0.69° |
1.64 |
1.49 |
0.30 | ||||
|
Thujone |
15.47 | ||||||||
|
Camphor |
16.11 | ||||||||
|
Borneol |
16.65 |
0.97 | |||||||
|
Bornyl acetale |
18.84 | ||||||||
|
/3-Chamigrene |
21.60 |
2.98 |
6.44 |
|&2I |
9.38 |
10.21 |
12.08 |
13.17 |
1211 |
|
Cadin-3,9-diene |
22.43 |
1.41 |
3.49 |
2.19 |
4.60 |
6.30 |
6.39 |
4.70 |
3.90 |
|
Murolene |
23.31 | ||||||||
|
Isocaryophyllene |
21.70 | ||||||||
|
Caryophyllene |
22.53 | ||||||||
aHS-70, head-space extraction at 70°C; HS-80, head-space extraction at 80°C; Deryng, vapour distillation in a Deryng apparatus; ASE, accelerated solvent extraction bThe amount of a volatile compound extracted by a given method of extraction is expressed on the percentage scalę (as semi-quantitatively estimated from its respective peak height relative to the sum for all the volatile compounds)
cEmboldening indicates the chemotaxonomic advice compound (thujenone) estab-lished in previous work [14]
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