Table 1 Gas chromatography analysis.

From: Effect of high pressure treatment on the aging characteristics of Chinese liquor as evaluated by electronic nose and chemical analysis

Components

Young

Six-year

HP

Acetic acid

1131.5 ± 50.6a

670.2 ± 38.9c

969.6 ± 52.7b

Propanoic acid

15.8 ± 0.9a

14.9 ± 1.5a

13.1 ± 0.8a

Butanoic acid

41.4 ± 3.7b

55.7 ± 5.6a

45.5 ± 2.7b

Isopentanoic acid

28.8 ± 1.4a

25.9 ± 2.3a

25.6 ± 2.1a

Ethyl acetate

1656.6 ± 66.2c

1904.3 ± 50.7a

1753.8 ± 49.6b

Ethyl butyrate

8.2 ± 0.7b

17.5 ± 1.6a

7.4 ± 0.7b

Ethyl hexanoate

11.5 ± 1.2c

205.4 ± 10.2a

55.7 ± 3.3b

Ethyl lactate

1014.7 ± 50.3a

1053.2 ± 70.2a

1119.9 ± 66.9a

Ethyl oenanthate

ND

54.6 ± 3.2

ND

Ethyl palmitate

ND

82.2 ± 7.4

ND

  1. Note: All values are means (mg/L) ± standard deviation (SD).
  2. Values followed by different letters are significantly different (p < 0.05).
  3. ND: not detected.