Table 4.

Recovery of target compounds from C. sinensis sample matrix

Compound	Content (μg)	Spiked (μg)	Observed (μg)	Recovery (%)	Mean (%)	RSD (%, n=9)
Cordycepin	0.080	0.06	0.1421	103.5%	101.2	1.90
		0.12	0.2008	100.7%
		0.18	0.2591	99.5%
Mannitol	37.3	18.0	55.20	99.4%	101.4	1.87
		36.0	73.91	101.7%
		54.0	92.99	103.1%
Cyclo-Gly-Pro	0.0	2.40	2.412	100.5%	101.8	1.36
		4.80	4.876	101.6%
		7.20	7.434	103.3%
Cyclo-Ala-Leu	0.0	1.00	1.004	100.4%	101.5	1.96
		2.00	2.076	103.8%
		3.00	3.009	100.3%
Phenylalanine	2.14	1.00	3.105	96.4%	97.8	1.33
		2.00	4.098	97.9%
		3.00	5.111	99.0%