Abstract
Quince fruits from different geographical origin and year of harvesting (2019 and 2020) were characterized from physicochemical and nutritional viewpoint. Quince fruits were collected at maturity (September) in Murcia (Spain). The pH, soluble solids, titratable acidity, colour, moisture, water activity, total phenolic compounds, antioxidant activity, vitamin C and flavonoids were measured for all samples. There were significant differences among quince fruits characteristics. The comparison of quinces from the different origins and the comparison of quinces from the same origin and harvested two different years indicate differences in both physicochemical and nutritional characteristics, being greater the variation in the nutritional characteristics. This is to be considered by the quince industry, since the reality is that quinces from different geographical origin are the raw material of the quince industry every season.
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