Table 3.
Number | Volatile compound | CAS number | Control | LP | LP + SC | LP + PK | LP + SC + PK |
---|---|---|---|---|---|---|---|
Aldehyde | |||||||
V1 | Hexanal | 66–25-1 | 57.18 ± 0.72b | 60.23 ± 0.45b | 64.04 ± 2.23a | 38.97 ± 0.42c | 40.23 ± 0.89c |
V2 | Benzene acetaldehyde | 122–78-1 | 4.94 ± 0.55 | n.d. | n.d. | n.d. | n.d. |
V3 | Nonanal | 124–19-6 | 19.54 ± 0.37b | 25.14 ± 0.27a | 21.68 ± 0.99ab | 17.13 ± 0.14b | 26.22 ± 0.63a |
V4 | Trans-2-octenal | 2548-87-0 | n.d. | n.d. | 8.23 ± 0.39a | n.d. | 5.98 ± 0.32b |
V5 | Furfural | 98–01-1 | n.d. | n.d. | 1.55 ± 0.94 | n.d. | n.d. |
V6 | 3-Furfural | 498–60-2 | 16.61 ± 0.71a | n.d. | n.d. | n.d. | n.d. |
Total | 103.31 ± 7.13a | 85.37 ± 6.80c | 95.50 ± 7.87b | 56.10 ± 5.81e | 72.43 ± 7.35d | ||
Ketone | |||||||
V7 | 2-Nonanone | 821–55-6 | n.d. | n.d. | 5.08 ± 0.14b | 5.73 ± 0.13ab | 6.10 ± 0.20a |
V8 | 3-Hydroxy-2-butanone | 513–86-0 | 30.82 ± 0.92b | 45.88 ± 0.99a | 33.64 ± 0.74b | n.d. | 47.17 ± 0.38a |
V9 | 2,5-Octanedione | 3214-41-3 | n.d. | 1.97 ± 0.78 | n.d. | n.d. | n.d. |
V10 | Fenchone | 4695-62-9 | 95.92 ± 5.76a | 96.10 ± 6.43a | 86.60 ± 8.65b | 75.68 ± 6.05c | 93.76 ± 9.75a |
Total | 135.94 ± 12.86c | 154.26 ± 14.61b | 133.06 ± 12.01c | 85.62 ± 5.96d | 162.79 ± 22.28a | ||
Alcohol | |||||||
V11 | Ethanol | 64–17-5 | 245.58 ± 18.66e | 355.36 ± 13.95c | 337.20 ± 21.36d | 428.67 ± 11.23a | 362.29 ± 6.71b |
V12 | 2-Heptanol | 543–49-7 | n.d. | 3.26 ± 0.25a | n.d. | n.d. | 3.05 ± 0.59a |
V13 | n-Pentanol | 71–41-0 | n.d. | n.d. | 4.09 ± 0.39a | n.d. | 4.42 ± 0.19a |
V14 | Isopentenol | 15,575–04-9 | n.d. | 2.87 ± 0.54 | n.d. | n.d. | n.d. |
V15 | 1-Octen-3-ol | 3391-86-4 | 10.61 ± 0.41ab | 9.31 ± 0.19b | 9.17 ± 1.71b | 11.38 ± 0.54a | 10.23 ± 0.46ab |
V16 | Benzyl alcohol | 3391-86-4 | 1.64 ± 0.05d | 3.32 ± 0.06c | 5.50 ± 0.26b | 9.07 ± 0.53a | 3.06 ± 0.09c |
V17 | Phenylethanol | 1321-27-3 | 8.11 ± 0.52b | 16.92 ± 0.75a | 9.20 ± 1.24b | 5.83 ± 0.34c | 8.94 ± 1.23b |
V18 | Dodecanol | 27,342–88-7 | 10.09 ± 1.06b | n.d. | n.d. | n.d. | 13.13 ± 0.35a |
V19 | Lauryl alcohol | 112–53-8 | 5.99 ± 0.42b | 15.30 ± 1.04a | n.d. | n.d. | n.d. |
V20 | Terpine-4-ol | 10,482–56-1 | 63.26 ± 2.65a | 61.34 ± 1.03a | 42.71 ± 2.89c | 46.54 ± 1.83b | 62.34 ± 2.88a |
V21 | Linalool | 78–70-6 | 50.66 ± 1.05b | 58.95 ± 0.54a | 46.47 ± 0.75c | 44.86 ± 1.13c | 61.87 ± 0.76a |
V22 | α-Terpineol | 20,126–76- | 28.58 ± 1.42c | 31.51 ± 0.12b | 23.26 ± 0.57e | 25.80 ± 0.86d | 38.66 ± 1.98a |
V23 | Geraniol | 106–24-1 | 7.01 ± 0.42a | 4.03 ± 0.24b | n.d. | n.d. | 5.28 ± 0.31b |
V24 | 2-Ethylhexanol | 104–76-7 | n.d. | 5.31 ± 0.20b | 8.58 ± 1.09a | n.d. | n.d. |
Total | 421.65 ± 13.98e | 586.46 ± 18.98b | 475.05 ± 15.74d | 567.63 ± 11.39c | 603.46 ± 22.73a | ||
Acid | |||||||
V25 | Acetic acid | 64–19-7 | 37.17 ± 0.94d | 113.36 ± 0.68a | 68.51 ± 0.99c | 75.60 ± 0.68b | 74.00 ± 0.40b |
V26 | Butyric acid | 107–92-6 | 12.72 ± 0.93d | 28.75 ± 1.10a | 23.08 ± 1.38b | 19.66 ± 1.27c | 25.07 ± 0.93ab |
V27 | Isovaleric acid | 503–74-2 | n.d. | n.d. | n.d. | 5.39 ± 0.82a | 6.00 ± 0.68a |
V28 | Heptanic acid | 111–14-8 | n.d. | n.d. | n.d. | 4.40 ± 0.48 | n.d. |
V29 | Octanoic acid | 124–07-2 | 6.59 ± 0.63c | 9.36 ± 1.11b | 5.58 ± 0.45d | 7.40 ± 0.60c | 21.64 ± 1.37a |
V30 | Decanoic acid | 334–48-5 | 5.38 ± 0.94b | n.d. | 4.09 ± 0.08c | 4.55 ± 0.25c | 6.11 ± 0.36a |
V31 | Nonanoic acid | 112–05-0 | n.d. | n.d. | n.d. | n.d. | 22.31 ± 1.26 |
Total | 69.40 ± 10.66e | 160.89 ± 13.32b | 113.59 ± 17.44d | 122.52 ± 7.81c | 176.26 ± 29.88a | ||
Esters | |||||||
V32 | Ethyl acetate | 141–78-6 | 81.51 ± 4.45e | 151.82 ± 6.04d | 267.38 ± 7.75b | 320.71 ± 13.61a | 223.27 ± 9.17c |
V33 | Ethyl butyrate | 105–54-4 | 36.87 ± 1.40c | 63.51 ± 0.40b | 64.68 ± 1.23b | 73.56 ± 1.48a | 61.38 ± 0.82b |
V34 | Propyl butyrate | 105–66-8 | n.d. | 8.90 ± 0.23a | n.d. | 8.51 ± 0.82a | n.d. |
V35 | Ethyl valerate | 123–66-0 | n.d. | 5.08 ± 0.26 | n.d. | n.d. | n.d. |
V36 | Ethyl caproate | 539–82-2 | 210.65 ± 8.01e | 303.21 ± 11.03d | 333.04 ± 6.72b | 384.52 ± 9.20a | 313.52 ± 4.93c |
V37 | Ethyl octanoate | 106–32-1 | 19.06 ± 1.81b | 23.16 ± 0.36a | 23.52 ± 1.28a | 20.36 ± 0.68b | 16.07 ± 0.89c |
V38 | Ethyl caprate | 110–38-3 | 7.82 ± 1.29c | 15.13 ± 0.25a | 13.96 ± 0.67b | 8.11 ± 0.74c | 7.09 ± 0.95d |
V39 | Methyl lactate | 547–64-8 | 3.10 ± 0.28bc | 4.36 ± 0.25b | 6.54 ± 0.25a | n.d. | 2.80 ± 0.37c |
V40 | Ethyl lactate | 97–64-3 | 16.02 ± 2.35e | 84.60 ± 4.33a | 35.73 ± 4.77c | 45.73 ± 3.77b | 25.60 ± 1.06d |
V41 | Geranyl acetate | 105–87-3 | 11.62 ± 1.82b | 22.21 ± 1.57a | 13.52 ± 1.42b | 16.66 ± 1.34ab | 21.70 ± 2.36a |
V42 | Borneol acetate | 76–49-3 | 107.49 ± 16.88b | 166.45 ± 6.13ab | 123.45 ± 4.63bc | 141.35 ± 5.74b | 196.67 ± 7.01a |
Total | 542.45 ± 18.32d | 829.45 ± 24.84c | 861.93 ± 27.89b | 996.70 ± 22.25a | 848.68 ± 27.64bc | ||
Terpene | |||||||
V43 | Laurene | 123–35-3 | 56.26 ± 6.45d | 68.34 ± 5.67b | 62.06 ± 6.53c | 43.78 ± 3.49e | 74.90 ± 6.88a |
V44 | Limonene | 5989-27-5 | 760.54 ± 36.46d | 1022.41 ± 20.6b | 974.22 ± 35.75c | 788.17 ± 29.53d | 1178.71 ± 28.85a |
V45 | γ-Terpinene | 99–85-4 | 89.98 ± 14.02b | 132.41 ± 8.78a | 77.16 ± 13.38bc | 55.16 ± 9.55d | 70.02 ± 12.12c |
V46 | P-Isopropyl toluene | 99–87-6 | 37.60 ± 4.96bc | 39.81 ± 2.45b | 39.19 ± 4.02b | 44.01 ± 4.52a | 33.33 ± 3.42c |
V47 | Piperenone | 57,625–31-7 | n.d. | 9.15 ± 1.18a | n.d. | 8.38 ± 1.66b | 9.13 ± 1.80a |
V48 | Anisene | 4180-23-8 | 100.61 ± 11.49e | 135.25 ± 7.27a | 106.52 ± 9.56d | 117.64 ± 10.56c | 120.76 ± 10.84b |
V49 | (Z)-β-Ocimene | 13,877–91-31 | n.d. | 1.81 ± 0.25a | n.d. | n.d. | 1.56 ± 0.33a |
V50 | β-Caryophyllene | 87–44-5 | 148.71 ± 18.91b | 155.04 ± 12.18a | 115.68 ± 14.71e | 133.18 ± 16.93d | 137.78 ± 17.52c |
V51 | Gingerene | 495–60-3 | n.d. | 9.04 ± 1.14a | 9.52 ± 1.20a | n.d. | 9.36 ± 1.18a |
V52 | Isospeakene | 95,910–36-4 | 24.89 ± 3.88a | 23.5 ± 2.31a | 19.55 ± 3.05b | 23.73 ± 3.70a | 23.21 ± 3.62a |
V53 | α-Curcumene | 4176-17-4 | 20.21 ± 1.98a | 12.99 ± 1.27c | 15.23 ± 1.49bc | 18.03 ± 1.77b | 20.04 ± 1.96a |
V54 | α-Pinene | 80–56-8 | 2.89 ± 0.25c | 5.76 ± 0.49a | 3.96 ± 0.34b | 4.17 ± 0.35b | n.d. |
V55 | β-Pinene | 2437-95-8 | 3.58 ± 0.42b | 5.01 ± 0.58a | n.d. | n.d. | n.d. |
V56 | Styrene | 69,011–19-4 | 7.66 ± 0.63a | 5.52 ± 0.21b | n.d. | 4.26 ± 0.28b | 4.46 ± 0.29b |
V57 | 2-Carene | 4497-92-1 | 13.89 ± 1.78b | 7.96 ± 1.02d | 34.71 ± 4.44a | 7.38 ± 0.95d | 10.20 ± 1.31c |
V58 | 3-Carene | 13,466–78-9 | 4.37 ± 0.15a | 2.22 ± 0.08c | n.d. | 3.35 ± 0.11b | 4.27 ± 0.14a |
V59 | 4-Carene | 29,050–33-7 | 24.85 ± 5.34a | 21.84 ± 3.49b | 13.55 ± 2.17d | 19.64 ± 3.14c | 25.63 ± 4.09a |
V60 | α-Cubebene | 17,699–14-8 | 6.10 ± 1.06a | 3.79 ± 0.66c | 4.24 ± 0.74ab | 4.46 ± 0.77ab | 5.47 ± 0.95a |
V61 | α-Humulene | 6753-98-6 | n.d. | 11.71 ± 1.30a | 19.51 ± 2.35b | n.d. | n.d. |
V62 | Sabinene | 3387-41-5 | n.d. | 8.66 ± 1.47 | n.d. | n.d. | n.d. |
Total | 1405.12 ± 113.08c | 1800.10 ± 44.88a | 1529.31 ± 44.69b | 1298.43 ± 28.98d | 1786.77 ± 57.33a | ||
Others | |||||||
V63 | Safrole | 120–58-1 | 16.03 ± 0.94a | 10.20 ± 0.36b | n.d. | n.d. | 9.79 ± 7.70b |
V64 | Eugenol | 97–53-0 | n.d. | 1.40 ± 0.08b | 2.72 ± 0.16a | 2.60 ± 0.15a | 2.29 ± 0.14ab |
V65 | n-Heptadecane | 629–78-7 | 28.10 ± 3.57b | 49.52 ± 2.30a | 30.63 ± 3.89b | 22.79 ± 2.89c | 28.09 ± 3.57b |
V66 | Nutmeg ether | 607–91-0 | 17.53 ± 1.75a | 13.03 ± 1.66b | 9.05 ± 1.15c | 12.30 ± 1.56d | 16.06 ± 2.04a |
Total | 66.38 ± 6.67b | 76.12 ± 2.78a | 43.64 ± 1.76d | 40.99 ± 4.67d | 60.03 ± 5.80c |
n.d.: not detected.
a-e Means within the same row with different lowercase letters differ significantly (P < 0.05).
Control: noninoculation; LP: Lactiplantibacillus plantarum S8; LP + SC: Lactiplantibacillus plantarum S8 + Staphylococcus carnosus L8; LP + PK: Lactiplantibacillus plantarum S8 + Staphylococcus carnosus L8; LP + SC + PK: Lactiplantibacillus plantarum S8 + Staphylococcus carnosus L8 + Pichia kudriavzevii M6.