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. 2007 Jul 4;12(7):1274–1288. doi: 10.3390/12071274

Figure 2.

Figure 2

Electropherogram showing the enantioselective separation of catechin and epicatechin in a) an extract of unfermented, dried, unroasted cocoa beans and b) isolated from this extract. 1: (-)-Epicatechin, 2: (+)-Catechin, P: Procyanidin B2. Experimental conditions: uncoated fused-silica capillary [60 cm (effective length 50 cm) × 75 µm I.D.]; electrolyte: 0.1 mol·L-1 borate buffer, pH 8.5; chiral selector: 12.0 mmol·L-1 HP-γ-CD; voltage: 18 kV; UV-Detection: 280 nm; temperature: 20 °C; injection: pressure, 3 s, 0.3 p.s.i..