Table 3. The contents of volatile aromatic compounds in takju before distillation

Compounds	Odor description¹⁾	Volatile aromatic compound (mg/L)
Compounds	Odor description¹⁾	11215²⁾	NY21	NY21+SJ69	NY21+S6
Esters
Ethyl acetate	Fruity, sweet	87.33±5.89^3)c4)	150.27±14.66^b	222.94±21.27^a	222.31±23.61^a
Isoamyl acetate	Banana, pear	148.55±13.67^a	84.58±9.82^b	139.09±14.48^a	123.37±13.72^a
Ethyl hexanoate	Fruity, apple, banana	7.27±0.64^b	6.57±0.72^b	13.09±1.23^a	11.81±0.87^a
Ethyl octanoate	Pineapple pear	17.35±1.39^c	10.37±0.86^d	25.88±2.44^a	22.27±2.30^b
Ethyl decanoate	Fatty acids, fruity, apple, solvent	39.40±3.58^c	43.96±4.15^bc	49.66±4.87^ab	55.73±5.23^a
Methyl salicylate	Wintergreen peppermint	185.65±15.50^b	252.26±23.36^a	188.44±16.62^b	179.00±17.57^b
2-Phenylethyl acetate	Fruity flower	856.88±69.07^a	249.80±27.61^b	284.42±31.34^b	299.18±26.19^b
Ethyl dodecanoate		22.56±2.04^c	108.02±11.13^a	82.40±8.46^b	76.93±7.27^b
Ethyl tetradecanoate		150.66±16.83^c	1,164.84±130.61^a	648.40±56.79^b	678.36±64.34^b
Ethyl hexadecanoate		3,774.77±254.83^c	8,912.23±749.85^a	6,739.38±653.19^b	7,384.23±748.31^b
Ethyl octadecanoate		197.25±16.63^a	133.60±14.30^b	100.73±12.20^c	125.48±13.55^bc
Ethyl oleate		923.66±90.71^ab	924.04±91.80^ab	777.88±68.47^b	966.51±88.87^a
Ethyl linoleate		809.68±74.88^c	1,138.51±110.49^ab	985.45±89.33^bc	1,182.91±120.67^a
Subtotal		7,221.02±565.66^c	13,179.06±1189.36^a	10,257.74±980.69^b	11,328.09±1132.50^ab
Aldehyde
Diethyl acetal		ND⁵⁾	ND	ND	ND
Furfural		11.49±0.98^a	8.86±0.79^b	4.81±0.46^c	5.92±0.56^c
2-Methylbenzaldehyde		31.25±3.30^a	1.91±0.30^c	33.98±3.53^a	18.16±1.92^b
4-Propyl benzaldehyde		2.73±0.25^d	14.85±1.14^a	4.60±0.57^c	6.08±0.63^b
Subtotal		45.47±4.53^a	25.62±2.23^b	43.39±4.56^a	30.16±3.11^b
Alcohol
Iso butanol		159.71±13.68^c	146.26±14.30^c	275.50±24.81^a	219.17±20.31^b
Isoamyl alcohol		803.65±81.26^b	740.04±72.68^b	1,267.76±115.73^a	1,092.30±107.73^a
Dimethylsilanediol		10.97±1.10^b	11.07±1.09^b	12.18±1.31^ab	13.77±1.22^a
Phenylethyl alcohol		1,964.42±206.09^a	1,071.17±114.01^b	1,036.37±116.42^b	1,031.09±108.47^b
Subtotal		2,938.75±302.13^a	1,968.54±202.08^c	2,591.82±258.27^ab	2,356.33±237.73^bc
Total		10,205.24±872.32^b	15,173.23±1,393.67^a	12,892.95±1,243.52^a	13,714.58±1,373.34^a

Choi et al. (2020).
11215, S. cerevisiae KCCM 11215; NY21, S. cerevisiae NY-21; SJ69, H. uvarum SJ69; S6, H. uvarum S6.
All values are mean±SD (n=3).
^a-dDifferent letters within the same row indicate a statistically significant difference (p<0.05).
ND, not detected.