TABLE 4.
OAVs of volatile compounds detected in the three Chinese rice wine samples fermented with three different starter cultures.
| No | Compounds | Aa | B | C | Thresholdc (μg/kg) |
| 1 | Phenylethyl alcohol | 111 | 216 | 26 | 60 |
| 2 | Ethyl caprylate | 5 | 7 | –b | 200 |
| 3 | Ethyldecanoate | 2 | 3 | <1 | 530 |
| 4 | Isoamyl acetate | 208 | 298 | 174 | 2 |
| 5 | 1-octen-3-ol | 5 | 11 | – | 2.7 |
| 6 | Ethyl hexanoate | <1 | <1 | 1 | 530 |
| 7 | Ethyl butyrate | 1 | 1 | <1 | 59 |
| 8 | Ethyl propionate | 1 | 1 | <1 | 29 |
| 9 | Ethyl acetate | 114 | 123 | 65 | 5 |
| 10 | Furfural | 1 | 2 | – | 8 |
| 11 | Ethyl laurate | <1 | <1 | 1 | 500 |
| 12 | Isoamyl alcohol | 782 | 689 | – | 6.1 |
| 13 | Isobutanol | 12 | 5 | – | 33 |
| 14 | n-Decanoic acid | 1 | 2 | <1 | 70 |
aA, B, C are CRW samples fermented with JIUYAO, the artificial starter and the commercial starter.
bThe OAV was not calculated in the sample.
cThe detection threshold was drawn from the literature (Van Gemert, 2003).