. 2021 Jun 21;10(6):1435. doi: 10.3390/foods10061435

Table 4.

Quantitative values (ppm) of volatile aroma compounds in optimally ripened kimchi samples fermented with probiotic strains.

Volatiles	Le. Mesenteroides	L. Fermentum	L. Reuteri	L. Rhamnosus	L. Paracasei	L. Salivarius
Cyclopropane	41.75 ± 2.71 ^b	44.85 ± 1.97 ^b	41.93 ± 0.90 ^b	46.75 ± 2.84 ^b	56.46 ± 3.52 ^a	63.78 ± 2.53 ^a
Propanamide, 2-hydroxy-	9.03 ± 0.68 ^b	9.39 ± 2.17 ^b	7.85 ± 0.83 ^b	9.89 ± 0.08 ^b	13.69 ± 0.54 ^a	14.24 ± 0.75 ^a
Dimethyl disulfide	26.55 ± 0.48 ^c	36.31 ± 2.27 ^abc	27.24 ± 1.73 ^c	34.11 ± 2.18 ^bc	44.42 ± 7.42 ^ab	47.65 ± 0.83 ^a
Diallyl sulfide	4.10 ± 0.37 ^c	6.45 ± 0.49 ^bc	4.86 ± 1.43 ^c	6.63 ± 0.44 ^bc	8.23 ± 1.27 ^ab	9.58 ± 0.45 ^a
Methyl 1-propenyl disulfide	3.65 ± 0.18 ^bc	3.99 ± 0.17 ^b	2.91 ± 0.13 ^c	4.03 ± 0.55 ^b	4.44 ± 0.07 ^b	5.87 ± 0.31 ^a
Methyl 2-propenyl disulfide	115.23 ± 5.53 ^c	138.51 ± 6.52 ^b	110.99 ± 8.88 ^c	124.05 ± 4.50 ^bc	166.52 ± 3.43 ^a	176.20 ± 3.36 ^a
Dimethyl trisulfide	54.83 ± 1.39 ^d	74.08 ± 3.48 ^c	59.35 ± 3.26 ^d	64.89 ± 2.59 ^cd	94.47 ± 3.85 ^b	105.84 ± 3.19 ^a
Acetic acid, 2-(thiocarboxy)hydrazide, O-methyl ester	13.93 ± 0.39 ^ab	12.98 ± 0.72 ^ab	14.26 ± 1.18 ^ab	12.05 ± 0.63 ^a	14.66 ± 0.27 ^b	27.41 ± 0.84 ^a
Acetic acid	6.12 ± 0.32 ^a	5.86 ± 0.82 ^a	6.72 ± 0.36 ^a	3.68 ± 0.55 ^b	3.34 ± 0.72 ^b	5.18 ± 0.42 ^ab
Diallyl disulphide	166.14 ± 3.53 ^c	200.47 ± 14.13 ^b	187.88 ± 12.63 ^bc	213.83 ± 11.60 ^b	281.32 ± 6.32 ^a	307.74 ± 5.07 ^a
2-Hydroxy-3-methoxy-succinic acid, dimethyl ester	9.10 ± 0.08 ^d	10.82 ± 0.44 ^c	10.52 ± 0.39 ^c	9.23 ± 0.17 ^d	12.76 ± 0.28 ^b	14.85 ± 0.51 ^a
Cyclopentyl isothiocyanate	5.55 ± 2.51 ^c	7.57 ± 0.38 ^c	7.81 ± 1.35 ^c	12.39 ± 0.48 ^b	16.90 ± 1.40 ^a	18.01 ± 1.30 ^a
Methyl 2-propenyl trisulfide	67.09 ± 2.19 ^c	81.80 ± 4.46 ^b	70.64 ± 4.71 ^bc	77.56 ± 4.46 ^bc	110.30 ± 5.19 ^a	117.32 ± 3.02 ^a
Methyl methylthiomethyl disulfide	2.43 ± 0.12 ^bc	3.28 ± 0.22 ^b	2.00 ± 0.13 ^c	2.87 ± 0.22 ^bc	2.86 ± 0.38 ^bc	4.57 ± 0.35 ^a
3-Vinyl-1,2-dithiacyclohex-5-ene	6.27 ± 1.77 ^b	8.69 ± 0.58 ^ab	6.45 ± 2.59 ^b	10.68 ± 3.01 ^ab	10.94 ± 0.78 ^ab	13.69 ± 1.19 ^a
1,2,3-Thiadiazole, 5-methyl-	11.10 ± 0.16 ^c	12.55 ± 0.72 ^c	11.49 ± 1.12 ^c	12.35 ± 0.45 ^c	15.81 ± 0.51 ^b	18.49 ± 0.51 ^a
5,7-Diethyl-1,2,3,4,6-pentathiepane	13.38 ± 0.73 ^c	17.10 ± 0.75 ^b	16.02 ± 1.47 ^b,c	14.21 ± 0.48 ^c	18.72 ± 0.60 ^b	22.01 ± 0.40 ^a
Total	556.25 ± 14.68 ^d	673.70 ± 36.52 ^c	584.60 ± 32.49 ^c,d	657.38 ± 25.61 ^c	875.84 ± 27.07 ^b	972.43 ± 18.71 ^a

The different superscript letters indicate significant difference (p < 0.05) in the concentration of each compound.