Fig. 2From: Production of oligomeric procyanidins by mild steam explosion treatment of grape seedsRP-HPLC chromatogram of thiolysed crude extract of unexploded grape seeds (a); terminal units: b CA (1), c EC (2), d ECG (3); e benzylmercaptan (9); extension units: f EC-thiol (7); g β-CA-thiol (4), α-CA-thiol (6)Back to article page