Table 2 Identification results of volatile products
From: Thermophilic fermentation of acetoin and 2,3-butanediol by a novel Geobacillus strain
# | RT | Ratio | Common name or abbr. | IUPAC systematic name |
|---|---|---|---|---|
1 | 3.810 | 1.39 | diacetyl | butane-2,3-dione |
2 | 9.554 | 42.53 | acetoin | 3-hydroxybutan-2-one |
3 | 10.139 | 1.79 | acetylbutanediol | 3,4-dihydroxy-3-methylpentan-2-one |
4 | 10.807 | 0.67 | TMP | 2,3,5-trimethylpyrazine |
5 | 11.255 | 1.29 | acetic acid | acetic acid |
6 | 11.498 | 2.72 | TTMP | 2,3,5,6-tetramethylpyrazine |
7 | 12.076 | 23.21 | 2,3-butanediol | butane-2,3-diol |
8 | 12.310 | 0.57 | isobutyric acid | 2-methylpropanoic acid |
9 | 12.381 | 18.95 | 2,3-butanediol | butane-2,3-diol |
10 | 12.615 | 0.35 | OXZ | 1-(2,4,5-trimethyl-2,5-dihydrooxazol-2-yl)ethanol |
11 | 12.661 | 0.39 | OXZ | 1-(2,4,5-trimethyl-2,5-dihydrooxazol-2-yl)ethanol |
12 | 12.752 | 0.35 | OXZ | 1-(2,4,5-trimethyl-2,5-dihydrooxazol-2-yl)ethanol |
13 | 12.772 | 0.34 | OXZ | 1-(2,4,5-trimethyl-2,5-dihydrooxazol-2-yl)ethanol |
14 | 12.814 | 0.48 | butanoic acid | butanoic acid |
15 | 13.149 | 3.68 | butyrylbutanediol | 2,3-dihydroxy-3-methylheptan-4-one |
16 | 14.483 | 0.65 | hexanoic acid | hexanoic acid |
17 | 15.032 | 0.65 | phenylethyl alcohol | 2-phenylethanol |