Summary
Summary Fruits of 3 tomato cultivars (Liberto, Durinta and Favorita) grown in a greenhouse in peat irrigated with a complete nutrient solution with electrical conductivity of 2 or 5 mS cm -1 were assayed for antioxidant activity, and analysed for concentration of soluble solids, total acidity, dry matter and vitamin C, when green, vine-ripened or post-harvest ripened. The experiment showed significant main effects of year, cultivar, degree of maturity and electrical conductivity on antioxidant activity and chemical composition. Small but significant differences were observed between years, and the same pattern of variation of FRAP (Ferric Reducing Ability of Plasma), dry matter, soluble solids, titratable acidity, and vitamin C was observed within years. The degree of maturity (green versu
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