Table 2. Alcohol compounds detected in Cheongsoo, Chardonnay and Riesling white wines

Compounds CAS1) RT2) Cheongsoo Chardonnay Riesling OTV5)(μg/L) Odor descriptor
Conc.3)(μg/L) OAV4) Conc.(μg/L) OAV Conc.(μg/L) OAV
Alcohols
17 1-Propanol 71-23-8 5.461 182.00a6) <1 212.57a <1 208.93a <1 306,000z ripe fruit
18 Isobutyl alcohol 78-83-1 7.520 32.87a <1 0.00b -7) 292.55ab <1 75,000z alcohol
19 1-Butanol 71-36-3 9.351 6.10a <1 23.39a <1 0.00a - 150,000z medicinal
20 Isoamyl alcohol 123-51-3 12.012 3,846.71a <1 4,510.33a <1 7,056.47a <1 30,000x harsh, bitter
21 Isohexyl alcohol 626-89-1 15.406 19.77ab <1 2.31a <1 0.00b - 50,000z almond
22 3-Ethyl-1-butanol 589-35-5 15.872 51.32a - 16.70b - 47.55b -
23 1-Hexanol 107-02-8 16.881 160.20ab 1.46 221.79a 2.02 179.33b 1.63 110z herbaceous
24 (E)-3-Hexen-1-ol 928-97-2 17.267 7.35a <1 0.00a - 0.00a - 400y green, floral
25 3-Hexen-1-ol 544-12-7 17.354 0.00b - 15.64a - 0.00b -
26 3-Ethoxy-1-propanol 111-35-3 17.750 0.00a - 6.11a <1 0.00a - 100z fruity
27 1-Heptanol 111-70-6 20.828 3.46b <1 36.80a <1 2.84b <1 1,000y grape, sweet
28 (+)-1,3-Butanediol 24621-61-2 24.327 51.26a - 70.75a - 58.62a -
29 3-(Methylthio)-1-propanol 505-10-2 30.722 0.00a - 5.15a <1 8.84a <1 500y rubber
30 2-Phenylethanol 60-12-8 37.225 1,700.98a <1 1,240.25a <1 2,632.84a <1 200,000z rose, honey
Subtotal 6,062.01 6,361.80 10,487.96
1)CAS, chemical abstract service.
2)RT, retention time.
3)Conc., concentration.
4)OAV was calculated by dividing the concentration by odor threshold value of the compound.
5)OTV: zWelke et al., 2014 (32); yJiang & Zhang, 2010(33); xLi et al., 2008 (34).
6)Different letters within each rows indicates statistical differences (n=3, p<0.05).
7)Not found.