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. 2019 Feb 19;10(1):52–59. doi: 10.1016/j.jtcme.2019.02.002

Table 2.

List of 33 identified metabolites from ME of B. diffusa leaves after GC-MS analyses. The relative amounts of the individual metabolites are expressed as a percentage relative to the total area (RPA,%).

S.No. Compound TMS derivative RT (min) Area (RPA%) PubChem CID Qualification Ions
1 Ethylene glycol 2 7.80 0.0128 81858 191, 103
2 l-Valine 1 9.91 0.2018 22211754 174, 156
3 l-Alanine 2 10.07 0.5709 11424808 218, 116
4 2-Pyrrolidinone 1 10.94 0.0067 84461 157, 142
5 l-Proline 1 11.40 1.9422 13514636 187, 172
6 l-Valine 2 11.85 0.2201 11108121 246, 144
7 l-Isoleucine 2 12.93 0.0736 21632765 260, 158
8 l-Threonine 2 12.96 0.1475 91696554 248, 130
9 Succinic acid 2 13.19 0.2194 520988 262, 247
10 Uracil 2 13.54 0.028 552702 256, 241
11 Fumaric acid 2 13.63 0.0193 5353016 245, 83
12 l-Serine 3 13.71 0.0507 90474444 306, 204
13 l-Threonine 3 14.03 0.0767 21632766 320, 291
14 D-(−)-Citramalic acid 3 15.16 0.0392 526005 349, 247
15 Malic acid 3 15.26 1.0752 522155 350, 233
16 l-Threonic acid 4 16.11 0.1114 528672 409, 292
17 l-Asparagine 2 16.88 0.0675 276, 159
18 l-Glutamic acid 3 17.02 0.0513 12451984 363, 246
19 dl-Phenylalanine 2 17.36 0.0705 12451977 294, 192
20 3,4-Dihydroxy-benzyl alcohol 3 18.18 0.0065 101663520 356, 267
21 4-Methylcatechol 2 19.37 0.0275 530364 268, 253
22 d-Fructofuranose 5 19.61 7.1974 528401 437, 257
23 D-Pinitol 5 20.07 9.4039 91750479 507, 318
24 l-Tyrosine 3 21.76 0.1753 14189425 397, 218
25 β-d-Glucopyranose 5 22.00 4.9769 13587619 435, 204
26 d-Gluconic acid 6 22.57 0.0486 523310 435, 333
27 Oxaloacetic acid 3 22.80 0.007 553054 333, 231
28 d-Glucuronic acid 5 23.29 0.0149 22211710 539, 305
29 Ferulic acid 2 24.08 0.0837 5379186 338, 323
30 Caffeic acid 3 24.67 0.1278 5376254 396, 219
31 L-Tryptophan 2 25.91 0.1436 521975 348, 202
32 Sucrose 8 30.70 2.0906 10931011 451, 361
33 1-Monopalmitin 2 30.80 0.0976 552033 459, 371