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. 2024 Nov 18;12:e18529. doi: 10.7717/peerj.18529

Table 4. The identification of the chemical composition of endophytic fungi extracts by LC-MS analysis.

NO Name of identified compound RT(min) Formula m/z Adduction Endophytic fungi (ng/ml)
J61 J15 J74 J2
1 4-Methylcatechol 2.9 C7H8O2 123.044 [M-H] 6.04 1.48 1.32 nd
2 Aesculetin 4.4 C9H6O4 177.019 [M-H] 2.76 2.77 12.44 1.52
3 Aesculetin 4.2 C9H6O4 177.019 [M-H] 12.00 1.77 6.09 1.20
4 Caffeic acid 4.4 C9H8O4 179.034 [M-H] 19.86 nd nd 9.61
5 Caffeic acid 4.2 C9H8O4 179.034 [M-H] 36.75 11.93 9.34 884.75
6 Caffeic acid 4.0 C9H8O4 179.035 [M-H] nd 0.59 0.56 7.26
7 Catechol 4.0 C6H6O2 109.028 [M-H] 5.69 1.01 9.62 2.62
8 Divaricatinic acid 5.8 C11H14O4 209.082 [M-H] 7.90 1.03 4.32 nd
9 Ferulic acid 5.0 C10H10O4 193.050 [M-H] 37.98 24.01 44.84 nd
10 Ferulic acid 5.2 C10H10O4 193.050 [M-H] 6.20 2.72 2.63 nd
11 Gallic acid 4.2 C7H6O5 169.014 [M-H] nd nd 1.19 2.65
12 Gentisic acid 4.2 C7H6O4 153.019 [M-H] 3.36 nd 3.90 11.98
13 Gentisic acid 3.8 C7H6O4 153.019 [M-H] 46.98 5.10 8.11 8.77
14 Haematommic acid 3.3 C9H8O5 195.030 [M-H] 32.79 1.20 1.69 0.73
15 Haematommone 7.1 C16H10O7 313.036 [M-H] 8.31 nd nd nd
16 Haematommone 7.2 C16H10O7 313.036 [M-H] 7.10 nd nd nd
17 Homogentisic acid 5.0 C8H8O4 167.034 [M- H] 2.44 14.83 11.89 3.57
18 Homogentisic acid 5.4 C8H8O4 167.034 [M- H] 2.87 1.23 nd 0.91
19 Homovanillic acid 7.0 C9H10O4 181.050 [M- H] 2.80 1.71 nd 0.81
20 Isovanillic acid 4.5 C8H8O4 167.034 [M-H] 2.48 1.29 3.36 1.31
21 Norepinephrine 4.7 C8H11NO3 168.066 [M-H] nd nd nd 16.67
22 norlichexanthone 7.1 C14H10O5 257.046 [M-H] nd nd nd 74.36
23 Quercetin 6.2 C15H10O7 301.036 [M-H] 11.03 1.29 3.39 0.83
24 Quercetin 6.3 C15H10O7 301.036 [M-H] 6.74 0.61 2.13 0.83
25 Syringic acid 4.8 C9H10O5 197.045 [M-H] 2.21 nd 1.14 nd
26 Syringic acid 4.3 C9H10O5 197.045 [M-H] 2.63 nd 1.16 0.37
27 Taxifolin 5.1 C15H12O7 303.052 [M-H] 2.21 nd nd 1.16
28 Vanillin 4.4 C8H8O3 151.039 [M-H] 6.09 1.93 3.52 4.15
29 (±)-Abscisic acid 6.1 C15H20O4 263.129 [M-H] 30.79 24.21 24.73 34.28
30 (±)-Abscisic acid 5.8 C15H20O4 263.129 [M-H] 4.93 3.75 5.26 6.31
31 (Z)-9,12,13-trihydroxyoctadec-15-enoic acid 7.6 C18H34 O5 329.234 [M-H] 21.06 21.16 47.1 25.59
32 1,5,6,7-TETRAHYDRO-4H-INDOL-4-ONE 4.1 C8 H9 N O 134.060 [M-H] 2.75 nd nd 1.43
33 12-Hydroxyoctadecanoic acid 11.7 C18 H36 O3 299.260 [M-H] 278.40 360.43 232.45 138.16
34 13(S)-HOTrE 9.7 C18H30 O3 293.213 [M-H] 2.34 3.64 3.30 6.42
35 2,6-Dihydroxy-4-Methoxytoluene 4.8 C8 H10 O3 153.055 [M-H] 278.40 360.43 232.45 138.16
36 2-Hydroxybenzyl alcohol 3.5 C7 H8 O2 123.044 [M-H] 89.03 nd 23.00 15.96
37 2-Hydroxycinnamic acid 5.5 C9 H8 O3 163.039 [M-H] nd nd 2.54 0.73
38 2-Methoxycinnamic acid 4.9 C10H10O3 177.055 [M-H] 3.10 1.82 1.44 0.62
39 2-Methylglutaric acid 2.0 C6 H10 O4 145.050 [M-H] 46.37 14.08 19.08 62.31
40 2-Oxobutyric acid 0.8 C4 H6O3 101.023 [M-H] 12.89 18.79 8.08 42.68
41 3-Hydroxyphenylacetic acid 4.7 C8 H8 O3 151.039 [M-H] 862.25 7.66 140.82 9.78
42 3-Hydroxypicolinic acid 1.8 C6 H5 N O3 138.019 [M-H] 27.36 27.13 28.06 32.08
43 3-Phenyllactic acid 4.9 C9 H10O3 165.055 [M-H] 142.81 334.27 81.61 240.72
44 3-Phosphoglyceric acid 14.1 C3 H7 O7P 184.984 [M-H] 12.46 10.57 12.18 12.08
45 4-Acetamidobutanoic acid 1.8 C6 H11 N O3 144.066 [M-H] 5.67 1.85 1.90 79.83
46 4-Dodecylbenzenesulfonic acid 14.3 C18 H30 O3 S 325.185 [M-H] 110.56 138.27 107.13 72.28
47 4-methyl-2-oxopentanoic acid 3.9 C6 H10O3 129.055 [M-H] 14.20 121.83 4.86 13.83
48 4-Oxoproline 0.9 C5 H7N O3 128.034 [M-H] 5.46 50.36 8.56 307.42
49 6-Hydroxycaproic acid 4.4 C6 H12 O3 131.070 [M-H] 32.57 43.55 17.25 72.32
50 7-Methylxanthine 0.8 C6 H6 N4 O2 165.040 [M-H] 4.74 9.05 2.96 38.49
51 9-HpODE 8.5 C18 H32O4 311.223 [M-H] 20.97 49.99 74.16 19.92
52 Ala-Phe 7.2 C12 H16 N2 O3 235.109 [M-H] 273.59 nd 98.17 nd
53 alpha-Hydroxyhippuric acid 3.9 C9 H9N O4 194.046 [M-H] 7.27 11.68 5.49 51.88
54 alpha-Linolenic acid 12.4 C18 H30 O2 277.218 [M-H] 6.58 9.25 22.26 4.94
55 Anthranilic acid 5.0 C7 H7 N O2 136.040 [M-H] 113.21 2.04 189.24 2.00
56 Azelaic acid 5.5 C9 H16O4 187.097 [M-H] 304.69 110.84 27.58 66.58
57 Benzoic acid 4.6 C7H6O2 121.029 [M-H] 81.58 53.66 120.92 82.07
58 Citric acid 1.3 C6 H8O7 191.019 [M-H] 12.86 3.57 6.54 111.38
59 D-Fructose 0.8 C6H12O6 179.056 [M-H] 6.61 98.86 3.84 298.18
60 Indole-3-acetic acid 5.8 C10 H9 N O2 174.055 [M-H] 150.03 3.86 134.91 18.18

Notes.

nd
not detect