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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