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Table 4 Molecular composition identified in Caesalpinia spp.

From: In vitro and in vivo assessment of the anti-malarial activity of Caesalpinia pluviosa

Composition

Molecular formula

[M+1]+

E (ppm)

References

1

C14H6O8

303.0141

101.97

[34]

2

C16H14O6

303.0869

138.24

[35]

3

C16H14O6

303.0869

138.24

[36]

4

C17H18O5

303.1233

258.31

[36]

5

C15H10O7

303.0505

18.15

[37]

6

C20H30O2

303.2324

618.01

[38]

  1. 1. Ellagic acid, 2. Protosappanin C, 3. Sapponone B, 4. 3-deoxy-4-O- methylepisappanol, 5. Quercetin, 6. Voucapen-5α-ol. The compounds 2 and 3 are isomeric forms. Compounds with molar masses at 302 and its molecular formula were obtained from literature. [M+1]+, molar masses plus a proton. E: Error between theoretical and experimental masses.