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

Table 7

Calculation of transfer efficiency. The transfer efficiency is the product of the extraction rate and the LLE rate.

No.	Extraction rate (%)	LLE rate (%)	Transfer efficiency (%)	Average (%)	R.S.D. % (n = 6)
1	76.90	47.59	36.59	46.62	13.63
2	75.28	61.97	46.65
3	78.59	57.52	45.21
4	76.64	59.78	45.81
5	84.84	66.25	56.21
6	77.44	63.61	49.26