Table 1. The HPLC peak area comparing of PSP and FRP.

Peak NO.	Retention time (min)	Peak area (mAU*min)		Ratio of area(FRP/PSP)
		FRP	PSP
1	17.900	1.602±0.184	2.889±0.108	0.555
2	21.283	24.355±0.154	6.416±0.241	3.796
3	25.683	48.542±0.335	3.051±0.098	15.912
4	38.425	10.926±0.114	2.362±0.088	4.626
5	43.350	5.416±0.015	2.429±0.101	2.229
6	44.817	18.174±0.158	2.401±0.154	7.568
7	46.725	10.936±0.224	1.327±0.124	8.241
8	47.567	17.365±0.178	0.478±0.048	36.354
9	48.850	7.452±0.091	0.469±0.084	15.889
10	49.850	11.035±0.118	0.444±0.058	24.835
11	50.517	20.897±0.317	1.004±0.102	20.807
12	54.467	50.946±0.284	2.413±0.214	21.110
13	59.509	11.964±0.131	0.334±0.101	35.856
14	59.909	5.479±0.189	0.025±0.009	219.160
15	60.292	7.887±0.084	0.162±0.077	48.786
16	60.642	15.189±0.247	0.428±0.058	35.516
17	64.000	0.751±0.104	0.049±0.004	15.223

Note: n = 3, area was calculated as 5 µL injection.