Table 4.

Results of the recovery studies

Compound	Labelled amount	Added amount	Found amount	Recovery	RSD
Cholesterol	1.0 mg	0.80 mg	0.79 mg	99.8%	1.6%
		1.00 mg	1.00 mg	100.0%	1.1%
		1.20 mg	1.19 mg	99.6%	1.2%
Hypericin	0.0025 μg	0.0020 μg	0.0029 μg	108.8%	0.4%
		0.0025 μg	0.0026 μg	101.7%	0.1%
		0.0030 μg	0.0032 μg	103.6%	1.6%

RSD: Relative standard deviation; SD: Standard deviation.