Table 2. Volatile Compounds in Sugarcane Juice (Non-sterilized), Wine, and Raw Vinegara.
relative
content (%) |
|||||
---|---|---|---|---|---|
peak number | RT (min) | component | sugarcane juice | wine | vinegar |
1 | 3.558 | ethyl acetate | 0.201 ± 0.004i | 0.7325 ± 0.035d,e | 14.163 ± 0.400c |
2 | 4.613 | ethyl lactate | 8.19 ± 0.388b | 74.235 ± 0.974a | 43.640 ± 1.296a |
3 | 5.709 | octamethylcyclotetrasiloxane | 0.155 ± 0.005i | 0.0205 ± 0.054e | 0.016 ± 0.002 |
4 | 5.893 | isobutyl acetate | − | − | 0.068 ± 0.011e |
5 | 7.158 | ethyl Isovalerate | − | − | 0.017 ± 0.008e |
6 | 7.432 | N-hexanal | − | 0.066 ± 0.008e | 0.056 ± 0.003c |
7 | 7.444 | decane | − | − | 0.049 ± 0.000 |
8 | 8.062 | isobutanol | − | 1.256 ± 0.055c,d | 0.575 ± 0.026e |
9 | 8.364 | isoamyl acetate | − | 0.010 ± 0.001e | 0.496 ± 0.012e |
10 | 8.555 | 3-penten-2-one | − | − | 0.274 ± 0.024e |
11 | 8.579 | trans-3-penten-2-one | − | 0.182 ± 0.003e | − |
12 | 10.473 | 4-methyl-2-heptanone | 1.467 ± 0.202g,h | − | − |
13 | 10.808 | isoamyl alcohol | 1.660 ± 0.086g | 15.142 ± 0.583b | 3.703 ± 0.093d |
14 | 11.154 | ethyl caproate | − | 0.140 ± 0.039e | 0.0785 ± 0.002e |
15 | 11.24 | 6-methyl-2-heptanone | 0.131 ± 0.023i | − | − |
16 | 11.362 | 4-ethoxy-2-pentanone | − | 0.033 ± 0.001e | 0.051 ± 0.002e |
17 | 11.797 | n-pentanol | 1.442 ± 0.027g,h | 0.009 ± 0.001e | − |
18 | 12.446 | octanal | 0.171 ± 0.083i | 0.0085 ± 0.002e | 0.025 ± 0.007e |
19 | 12.575 | 3-hydroxy-2-butanone | 5.962 ± 0.514d | − | 0.093 ± 0.002e |
20 | 13.246 | 2-hexadecanol | 0.641 ± 0.012h,i | − | − |
21 | 13.314 | trans-2-heptenal | − | 0.0125 ± 0.001e | 0.0285 ± 0.005e |
22 | 13.378 | 2-heptanol | 10.768 ± 0.072a | 0.0395 ± 0.002e | 0.013 ± 0.000e |
23 | 13.626 | methylheptenone | 0.133 ± 0.005i | 0.0055 ± 0.001e | 0.0065 ± 0.001e |
24 | 13.835 | ethyl lactate | − | 0.0295 ± 0.000e | 0.099 ± 0.002e |
25 | 14.086 | n-hexanol | 4.031 ± 0.082f | 0.0185 ± 0.001e | 0.018 ± 0.000 |
26 | 14.091 | 2-acetoxytetradecane | − | − | 0.020 ± 0.000 |
27 | 14.736 | nonanal | 0.897 ± 0.478g,h,i | 0.054 ± 0.021e | 0.157 ± 0.046e |
28 | 15.206 | 1,3-hexadiene | − | 0.004 ± 0.000 | − |
29 | 15.342 | 1,3-di-tert-butylbenzene | 1.345 ± 0.143g,h | 0.214 ± 0.000 | 0.689 ± 0.13e |
30 | 15.527 | ethyl caprylate | 0.932 ± 0.687c,d,e | 0.413 ± 0.12e | |
31 | 15.785 | acetic acid | 4.949 ± 0.863e | 1.736 ± 0.322c | 27.445 ± 0.362b |
32 | 16.569 | decanal | 2.037 ± 0.000 | 0.0285 ± 0.013e | 0.118 ± 0.029e |
33 | 16.577 | decanol | 1.604 ± 0.003 | − | − |
34 | 17.172 | propionic acid | − | 0.019 ± 0.001 | 0.0505 ± 0.008e |
35 | 17.619 | n-octanol | 1.734 ± 0.012g | − | − |
36 | 18.432 | methyl benzoate | 0.882 ± 0.031g,h,i | 0.041 ± 0.003e | 0.0385 ± 0.001e |
37 | 18.986 | valeric acid | 0.045 ± 0.000 | 0.028 ± 0.000 | 0.217 ± 0.008e |
38 | 21.313 | o-methoxyphenol | 6.780 ± 0.108c | − | − |
39 | 21.584 | benzyl alcohol | 0.142 ± 0.000 | 0.006 ± 0.000 | − |
40 | 22.035 | phenylethanol | 0.538 ± 0.049d,e | 0.876 ± 0.056e | |
41 | 23.33 | n-octanoic acid | 0.172 ± 0.027i | 0.646 ± 0.128d,e | 0.187 ± 0.013e |
42 | 24.721 | 4-vinyl-2-methoxyphenol | 1.664 ± 0.009g | − | 0.005 ± 0.000 |
43 | 26.464 | 2-hydroxycinnamic acid | 1.792 ± 0.000 | − | 0.014 ± 0.000 |
44 | 26.465 | 2,3-dihydrobenzofuran | 1.763 ± 0.000 | 0.0115 ± 0.001e | − |
45 | 27.679 | 5-hydroxymethyl furfural | − | 0.0205 ± 0.003e | 0.036 ± 0.007e |
Data are represented as mean ± SE. “−” not detected, RT = retention time.