Neuroprotection and spatial memory enhancement of four herbal mixture extract in HT22 hippocampal cells and a mouse model of focal cerebral ischemia

Table 1 Concentration, calibration curve, regression data, LODs and LOQs for THS, DISS, and catalpol by HPLC

Compounds	Wavelength (nm)	Concentration (%)	Calibration curve	r²	LOD (μg/ml)	LOQ (μg/ml)
THS	254	3.085 ± 0.271	y = 3284.72x + 2.00	0.999	1.41	4.27
DISS	254	0.352 ± 0.058	y = 4289.06x + 47.95	0.999	0.59	1.79
Catalpol	203	0.785 ± 0.059	y = 1253.49x + 31.37	0.999	0.63	1.91

ISSN: 2662-7671