TABLE 3.

Analysis of variances of characteristic peak.

Treatment	C1	C2	C3	C4	C5	C6
R2 of linear correlation	0.997	0.997	0.990	0.996	0.991	0.9984
RSD of retention time	0.02	0.00	0.02	0.02	0.06	0.02
RSD of peak area	0.36	1.42	0.75	0.64	0.49	0.39