title: Abrasive stripping square-wave voltammetry of blackberry, raspberry, strawberry, pomegranate, and sweet and blue potatoes.
abstract: Electro-oxidation potentials of 7 fruits and vegetables were determined by abrasive stripping voltammetry. The responses were characterized by 2 peaks with maxima at 0.45 and 0.55 V compared with Ag/AgCl, respectively. Both electrode reactions appear reversible at a frequency of 8 Hz. They can be ascribed to anthocyanidins and ellagic acid as electroactive compounds. By this method, an antioxidative capacity of a certain plant can be quickly estimated without extraction of active components.
authors.affiliation: Rudjer Bošković Inst., Bijenička 54, HR-10000 Zagreb, Croatia. slovric@irb.hr
authors.forename: Šebojka
authors.initials: Š
authors.lastname: Komorsky-Lovrić
authors.forename: Ivana
authors.initials: I
authors.lastname: Novak
mesh_terms: D000872:Anthocyanins / Q000032:analysis; D000975:Antioxidants / Q000032:analysis; D017523:Croatia; D055664:Electrochemical Techniques; D004610:Ellagic Acid / Q000032:analysis; D005504:Food Analysis / Q000379:methods; D031985:Fragaria / Q000737:chemistry*; D005638:Fruit / Q000737:chemistry*; D027723:Ipomoea batatas / Q000737:chemistry*; D029561:Lythraceae / Q000737:chemistry*; D010860:Pigments, Biological / Q000378:metabolism; D035281:Plant Tubers / Q000737:chemistry* / Q000378:metabolism; D027824:Rosaceae / Q000737:chemistry*; D011198:Solanum tuberosum / Q000737:chemistry* / Q000378:metabolism; D013045:Species Specificity
chemical_list: D000872:Anthocyanins; D000975:Antioxidants; D010860:Pigments, Biological; D004610:Ellagic Acid