Optimising harvest time of sour cherry cultivars on the basis of quality parameters

Stéger-Máté, M. and Ficzek, G. and Kállay, E. and Bujdosó, G. and Barta, J. and Tóth, M. (2010) Optimising harvest time of sour cherry cultivars on the basis of quality parameters. Acta Alimentaria, 39 (1). pp. 59-68. ISSN 0139-3006

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Abstract

The variation of some compositional quality parameters in connection with ripening time in the case of four sour cherry varieties ( Prunus cerasus L. Mill.) was studied. Our aim was to optimize the harvest time on the basis of antioxidant capacity. The experiments were carried out in the Érd-Elvira orchards of the Research Institute for Fruitgrowing and Ornamentals (cultivars Érdi bőtermő, Kántorjánosi 3) and in orchards of the Agárd Frucht Ltd. in Agárd (cultivars Érdi jubileum, Maliga emléke). Anthocyanin, polyphenol and vitamin C contents as well as the water-soluble dry matter content of fruits were measured.According to the results of quality parameter measurements it can be stated, that in case of the studied cultivars the optimal picking time for industrial processing is the second picking. At this time the anthocyanin, polyphenol and water-soluble dry matter content of the cultivars are optimal. In general, at the end of the ripening period the fruits shrink, fruit weight and juiciness decreases as a consequence of water loss, therefore determining optimal harvest time for the desired utilization purpose is very important. According to our results, out of the four studied cultivars, Érdi jubileum has the highest values regarding anthocyanin and polyphenol contents.

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