Application of hs-spme-gc-ms derived variables for monitoring ripening induced changes in cheese volatile compounds Fig. S1
- Điều hướng trang này:
- Subtotal (%) tr tr 0.3 0.4
- Subtotal (%) 6.3 5.0 5.4 5.7
- Total (%) 93.6 103 93.3 60.9
- (both PDMS and PA) 27 65 49
|
61.5 |
30.3 |
50.3 |
13.5 |
37.2 |
9.6 |
32.9 |
7.6 |
15.4 |
12.0 |
24.8 |
13.4 |
49.6 |
20.0 |
39.4 |
17.2 | ||||
|
|
|
|
ALDEHYDES |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
552 |
MS, RI, CoI |
1.89 |
Methyl propanal |
nd |
nd |
nd |
nd |
tr |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
|
649 |
MS, RI, CoI |
2.57 |
3-Methylbutanal |
nd |
nd |
0.1 |
0.1 |
0.4 |
0.2 |
nd |
nd |
0.4 |
nd |
1.4 |
tr |
nd |
nd |
nd |
nd |
|
659 |
MS, RI, CoI |
2.68 |
2-Methylbutanal |
nd |
nd |
nd |
nd |
tr |
nd |
nd |
nd |
nd |
nd |
0.9 |
nd |
nd |
nd |
nd |
nd |
|
965 |
MS, RI, CoI |
9.97 |
Benzaldehyde |
tr |
tr |
0.2 |
0.3 |
tr |
tr |
nd |
0.2 |
1.7 |
2.1 |
tr |
tr |
nd |
tr |
nd |
nd |
|
1056 |
MS, RI, CoI |
11.65 |
Phenyl acetaldehyde |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
tr |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
|
|
|
|
Subtotal (%) |
tr |
tr |
0.3 |
0.4 |
0.4 |
0.2 |
0.0 |
0.2 |
2.1 |
2.1 |
2.3 |
tr |
0.0 |
tr |
0.0 |
0.0 |
|
|
|
|
MISCELLANEOUS |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
485 |
MS, RI, CoI MS, RI, CoI |
1.67 |
Diethyl ether |
tr |
nd |
tr |
3.7 |
tr |
tr |
tr |
tr |
tr |
tr |
1.1 |
tr |
tr |
tr |
tr |
tr |
|
531 |
MS, RI, CoI |
1.76 |
Dichloromethane |
2.8 |
5.0 |
2.1 |
2.0 |
2.2 |
1.3 |
nd |
nd |
0.8 |
1.3 |
2.7 |
4.3 |
4.4 |
3.0 |
4.5 |
5.9 |
|
600 |
MS, RI, CoI |
2.08 |
Hexane |
3.5 |
nd |
0.5 |
nd |
tr |
nd |
tr |
nd |
tr |
nd |
nd |
nd |
3.5 |
nd |
5.9 |
nd |
|
615 |
MS, RI, CoI |
2.20 |
Chloroform |
nd |
nd |
1.3 |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
|
773 |
MS, RI, CoI |
4.78 |
Toluene |
tr |
nd |
0.4 |
tr |
tr |
tr |
tr |
0.4 |
nd |
nd |
tr |
nd |
nd |
nd |
nd |
nd |
|
864 |
MS, RI, CoI |
7.77 |
p-Xylene |
nd |
nd |
tr |
tr |
tr |
nd |
nd |
tr |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
|
1024 |
MS, RI, CoI |
11.33 |
Limonene |
tr |
nd |
0.4 |
tr |
tr |
nd |
tr |
tr |
nd |
nd |
nd |
nd |
nd |
nd |
1.6 |
tr |
|
1100 |
MS, RI, CoI |
12.60 |
Undecane |
nd |
nd |
nd |
nd |
nd |
nd |
tr |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
|
1200 |
MS, RI, CoI |
14.23 |
Dodecane |
nd |
nd |
tr |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
|
1300 |
MS, RI, CoI |
15.72 |
Tridecane |
nd |
nd |
0.6 |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
|
1400 |
MS, RI, CoI |
17.01 |
Tetradecane |
nd |
nd |
0.1 |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
|
|
|
|
Subtotal (%) |
6.3 |
5.0 |
5.4 |
5.7 |
2.2 |
1.3 |
tr |
0.4 |
0.8 |
1.3 |
3.8 |
4.3 |
7.9 |
3.0 |
12.0 |
5.9 |
|
|
|
|
Total (%) |
93.6 |
103 |
93.3 |
60.9 |
56.1 |
99.6 |
91.6 |
87 |
84.7 |
82.4 |
74.4 |
84.3 |
87 |
73.1 |
90.5 |
69.5 |
|
Total number of identified compounds (both PDMS and PA) |
27 |
65 |
49 |
40 |
27 |
22 |
28 |
23 | |||||||||||
a EC1 and CC1, day1; EC2 and CC2, day 5; EC3 and CC3, day 20; EC4 and CC4, day 30; b Mean value of three independent measurements (both extraction and GC/MS); c Literature values of retention indices (NIST Chemistry Web Book); d MS – Identification based on mass spectra comparison, RI – estimated retention time (index)/order of elution and CoI-coinjection with an authentic standard; e Microextraction was conducted using polydimethylsiloxane (PDMS) and f polyacryl (PA) fibers. g Broad peaks, with a pronounced tailing effect; h nd-not detected; i tr- trace compounds (less than 0.05% of the total peak area).
Каталог: esm
esm -> Activity of molybdate-intercalated layered double hydroxides in the oxidation of styrene with air
esm -> Activity of molybdate-intercalated layered double hydroxides in the oxidation of styrene with air
tải về 0.5 Mb.
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