Preparative Separation of Three Monoterpenes from Perilla frutescens var. crispa Using Centrifugal Partition Chromatography

Figure 4

CPC separation of the SC-CO₂ extract of the leaves of P. frutescens var. crispa (cv. Antisperill) using n-hexane/ethyl acetate/ethanol/water (8:2:8:2, v/v) in an ascending mode (for CPC conditions, see Section 2). The extrusion was performed after 42 min.