Quantitative Analysis of Berberidis Cortex via Quantitative Analysis of Multicomponents by Single Marker (QAMS) Combined with Fingerprint and Chemometrics Methods

Table 4

Taking the berberine hydrochloride as the internal standard to calculate the RRT values.

Factors	Chromatographic columns	fs/A	fs/B	fs/C
Waters 2695	CAPCELL PAK C18	0.4970	0.8434	0.9621
	Phenomenex luna C18	0.4802	0.8497	0.9655
	Venusil XBP C18	0.4910	0.8530	0.9664
Waters acquity	CAPCELL PAK C18	0.4694	0.8463	0.9675
	Phenomenex luna C18	0.4693	0.8463	0.9675
	Venusil XBP C18	0.4638	0.8576	0.9741
Mean		0.4784	0.8494	0.9672
RSD (%)		2.8	0.61	0.41