A Rapid Screening Method for Sibutramine Hydrochloride in Natural Herbal Medicines and Dietary Supplements

Table 4

The results of determination of the samples.

Sample weight (g)	Peak area A	C^1 (μg/ml)	X^2 (mg/g)	Average (mg/g)	R.S.D. % (n = 6)
0.10685	2828469	69.03	32.30	32.21	2.58
0.10835	2848987	69.53	32.09
0.10627	2737640	66.81	31.43
0.10711	2748151	67.07	31.31
0.10810	2884583	70.40	32.56
0.10192	2805760	68.47	33.59

¹C: the concentration of sibutramine hydrochloride in the detection solution, same as below. ²X: the content of sibutramine hydrochloride in the test specimen.