Bioautography, synergistic effect and HPTLC-MS and SEM analysis of antimicrobial and antioxidant compounds of inflorescence extract of Sphaeranthus indicus

Future Journal of Pharmaceutical Sciences

Table 4 ESI–MS spectrum data of molecules present in first fraction of inflorescence methanol extract of S. indicus L.

Band	Rf	m/z	Molecular weight	Compound	Chemical formula	Quantity (mg/ml)
7B	0.45	151, 137, 109 [M + H]	150.22	Thymol	C₁₀H₁₄O	0.675
7C	0.55	271, 227, 165, 74 [M + H]	270.28	5,7-Dimethoxyphenanthrene-2,6-diol	C₁₆H₁₄O₄	0.097
7D	0.68	271.01, 230.09, 184.05, 74.10 [M + Na]	248.32	Sphaerindicin	C₁₅H₂₀O₃	3.01
7E	0.79	413.19, 360.27, 301.10, 231.09, 165.01, 91.25 [M + H]	414.72	β-Sitosterol	C₂₉H₅₀O	0.1
7F	0.85	75, 166, 227, 301, 402, 413, 469, 491, 551, 595, 622 [M + H]	622.76	Pheanthine	C₃₈H₄₂N₂O₆	0.102