Table 5. Change of fusel oils in storege vessel during maturation period of Actinidia arguta brandy
(unit: mg/L)

Maturation period (month) Isobutanol Isoamyl alcohol a/b ratio2)
Oak Stainless Glass Oak Stainless Glass Oak Stainless Glass
0 647.41±0.001) 647.41±0.00 647.41±0.00 1,294.31±0.01 1,294.31±0.01 1,294.31±0.01 2.00±0.02 2.00±0.02 2.00±0.02
3 625.41±0.04 616.68±0.03 595.74±0.01****3) 1,236.33±0.08 1,211.28±0.05** 1,170.62±0.02**** 1.98±0.02 1.96±0.02 1.96±0.01
7 715.96±0.00**** 612.02±0.00 619.64±0.00** 1,421.44±0.00* 1,210.88±0.00** 1,223.09±0.00*** 1.99±0.02 1.98±0.00 1.97±0.01
11 1,023.66±0.04**** 630.10±0.00 633.92±0.01 2,065.25±0.09**** 1,238.62±0.01 1,242.27±0.01** 2.02±0.01 1.97±0.02 1.96±0.01
17 1,944.21±0.04 619.54±0.00 630.63±0.01* 4,125.36±0.02**** 1,215.49±0.00* 1,228.08±0.01*** 2.12±0.04 1.96±0.01 1.95±0.02
Each value is expressed as mean±SD (n=3).
Ratio = Isoamyl alcohol/Isobutanol.
*p<0.05, **p<0.01, ***p<0.001, ****p<0.0001.