Improved Chiral Separation of (R,S)-Goitrin by SFC: An Application in Traditional Chinese Medicine

Table 4

Chromatographic data for separation of (R,S)-goitrin on Chiralpak IC column under different back pressure (column temperature: 35°C, concentration of ACN: 15%, and flow rate: 3.5 mL/min).

Back pressure (bar)	Retention time (min)		Resolution
	S-goitrin	R-goitrin
100	3.02	3.58	3.75
120	2.97	3.51	3.48
150	2.90	3.42	3.37
180	2.84	3.34	3.33
200	2.82	3.31	3.30