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Table 5 LC/MS-MS analysis of alkaloid fractions of various Rauvolfia species

From: Identification of suitable substitute for Sarpagandha (Rauvolfia serpentina (L.) Benth. ex Kurz) by phytochemical and pharmacological evaluation

Sl. no.

Compound

Molecular formula

m/z [M + H]

MS/MS

Present in

1

Reserpine

C33H40 N2O9

609.2913

577.23, 436.16, 174.20

RSR, RHR, RMR, RTR

2

Yohimbinic acid

C20H24 N2O3

341.1849

323.17, 192.10, 144.07

RSR, RHR, RMR, RTR, RVR

3

Reserpic acid methyl ester

C23H30 N2O5

415.2049

397.17, 383.15, 367.15

RSR, RHR, RMR, RTR, RVR

4

Methyl-14-hydroxy 19 methyl 16, 17 dihydro 18 oxayohimbin-16 carboxylate

C21H24 N2O4

369.1802

351.16, 158.06, 144.08

RSR, RHR, RMR, RTR, RVR

5

Reserpic acid

C22H28 N2O5

401.2022

327.20, 240.12, 221.07, 199.08, 174.09

RSR, RHR, RMR, RTR, RVR

6

Ajmalicine

C21H24 N2O3

353.1832

335.17, 222.12, 144.08, 158.09

RSR, RHR, RMR, RTR, RVR

7

Seredine

C23H30 N2O5

415.0201

383.18, 224.13, 173.08

RSR, RHR, RMR, RTR, RVR

8

18-hydroxy yohimbine

C21H26 N2O4

371.1952

339.17, 240.12, 144.08

RSR, RHR, RMR, RTR, RVR

9

Yohimbine

C21H26 N2O3

355.2005

323.16, 337.19, 158.08, 144.08

RSR, RHR, RMR, RTR, RVR

10

Rescidine

C34H40N2O9

621.0249

460.2, 383.4, 174.0

RSR, RHR, RMR, RTR, RVR

11

Deserpidine

C32H238N2O8

579.1808

367.2, 448.1, 195.4

RSR, RHR, RMR, RTR, RVR