Multi-wavelength fusion spectral extraction-assisted HPLC for simultaneous quantification of multiple secondary metabolites in herbal matrices

Future Journal of Pharmaceutical Sciences

Table 2 Different calibration levels for compounds with particular detection signal

Vial	Mode	Compounds	Signal-nm	Conc. unit	L-1	L-2	L-3	L-4	L-5
Single vial	MSMS	(+)-Catechin	280	ppm	8	16	24	32	40
		(−)-Epicatechin	280	ppm	8	16	24	32	40
		Epigallocatechin	274	ppm	8	16	24	32	40
		Ellagic acid	254	ppm	8	16	24	32	40