Table 3 Phytochemicals identified in methanolic extracts of endemic plants species after LC–MS in negative ionization mode.
*Peak no | Rt (min) | Deprotonated [M − H]− M/Z value | Deprotonated molecular formula | Secondary metabolites |
|---|---|---|---|---|
Psiadia lithospermifolia | ||||
1 | 21.6 | 485.31479 | C26H45O8 | Unidentified |
2 | 22.32 | 485.31381 | C26H46O8 | Diterpene |
3 | 22.87 | 293.21317 | C18H29O3 | Fatty acid |
4 | 23.6 | 321.24426 | C20H33O3 | Diterpene |
5 | 23.95 | 295.22873 | C18H32O3 | Fatty acid |
6 | 24.97 | 471.35013 | C30H47O4 | Triterpenes |
Psiadia arguta | ||||
7 | 14.64 | 515.12268 | C25 H23O12 | Hydroxycinnamic acid |
8 | 17.79 | 419.10049 | C13 H23 O15 | Unidentified |
9 | 18.67 | 567.28558 | C29H43O11 | Glycosides |
10 | 19.81 | 373.09540 | C12 H22 O13 | Unidentified |
11 | 20.04 | 403.10489 | C20 H19O9 | Flavonols |
12 | 25.0 | 323.25977 | C20H35O3 | Labdanolic acid |
13 | 25.27 | 355.28690 | C21H39O4 | Oleic acid |
Diospyros nodosa | ||||
14 | 5.24 | 345.08362 | C14H17O10 | Bergenin hydrate |
15 | 8.93 | 327.07324 | C14 H15 O9 | Bergenin |
16 | 13.06 | 421.11588 | C20 H21 O10 | Carboxylic acid |
17 | 13.18 | 417.08453 | C20 H17 O10 | Flavonols |
18 | 14.72 | 447.13007 | C22 H23 O10 | Flavanone glucosides |
19 | 15.95 | 439.11023 | C16 H23 O14 | Carboxylic acid |
20 | 22.05 | 487.34674 | C30 H47 O5 | Pentacyclic triterpenoid |
Mimusops balata | ||||
21 | 9.76 | 577.13873 | C30 H25 O12 | Proanthocyanidins |
22 | 10.66 | 479.08511 | C21 H19 O13 | Flavonoid glycosides |
23 | 11.40 | 463.08920 | C21 H19 O12 | Glycosyloxyflavone |
24 | 12.24 | 477.10410 | C22 H21 O12 | Flavonoid-7-o-glycosides |
25 | 13.23 | 461.10907 | C22 H21 O11 | Isoflavone |
26 | 18.43 | 503.33975 | C30 H47 O6 | Pentacyclic triterpenoid |
Sideroxylon cinereum | ||||
27 | 11.48 | 463.09064 | C21 H19 O12 | Unidentified |
28 | 12.05 | 433.07877 | C20 H17 O11 | Quercetin O-glycoside |
29 | 17.60 | 501.32443 | C30 H45 O6 | Triterpenoids |
30 | 20.96 | 487.34515 | C30 H47 O5 | Pentacyclic triterpenoid |
31 | 22.96 | 293.21317 | C18 H29 O3 | Lineolic acids |
Erythroxylum laurifolium | ||||
32 | 13.24 | 543.13202 | C30 H23 O10 | Proanthocyanidin |
33 | 16.35 | 329.23541 | C18 H33 O5 | Fatty acids |
34 | 24.0 | 295.22910 | C18 H31 O3 | Linoleic acid |
35 | 24.99 | 323.26004 | C20 H35 O3 | Fatty acid |
