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Table 1 Quantitative HPLC analyses of composition in CG extraction

From: Calotropis gigantea extract induces apoptosis through extrinsic/intrinsic pathways and reactive oxygen species generation in A549 and NCI-H1299 non-small cell lung cancer cells

Peak ESI-MS
RT (min)
UV (nm) Detected ion
(m/z)
Calculated ion
(m/z)
Error
(ppm)
MS-MS ions
(m/z)
Tentative identification Molecular
formula
1 3.17 208, 254, 352 609.1424 609.1456 −5.3 179, 300, 301 Quercetin 3-rutinoside C27H30O6
2 3.35 208, 265, 344 593.1505 593.1506 −0.2 179, 284 Kaempferol-4′-O-rutinoside C27H30O15
3 3.45 203, 254, 352 593.1472 593.1506 −5.7 151, 179, 285 Kaempferol-3-O-rutinoside C27H30O15
4 3.52 203, 254, 353 623.1595 623.1612 −2.7 179, 315, 593 Isorhamnetin-3-O-rutinoside C28H32O16
5 3.84 219 697.3453 697.3470 −2.4 389, 535 Deglucoerycordin C35H54O14
6 4.21 225 547.2565 547.2543 4.0 179, 343, 401, 419 15b-hydroxycalotropin C28H40O10
7 4.42 225 535.2933 535.2907 0.7 179, 389 Frugoside C29H44O5
8 5.62 225 329.2387 329.2328 5.9 171, 206, 211 Trihydroxy octadecenoic acid C18H34O5