Effect of Storage Conditions on the Storability and Nutritional Value of New Polish Apples Grown in Central Poland

Andrii Kistechok (), Dariusz Wrona and Tomasz Krupa
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Andrii Kistechok: Department of Pomology and Horticulture Economics, Institute of Horticultural Sciences, Warsaw University of Life Sciences (SGGW-WULS), 159C Nowoursynowska Street, 02-787 Warsaw, Poland
Dariusz Wrona: Department of Pomology and Horticulture Economics, Institute of Horticultural Sciences, Warsaw University of Life Sciences (SGGW-WULS), 159C Nowoursynowska Street, 02-787 Warsaw, Poland
Tomasz Krupa: Department of Pomology and Horticulture Economics, Institute of Horticultural Sciences, Warsaw University of Life Sciences (SGGW-WULS), 159C Nowoursynowska Street, 02-787 Warsaw, Poland

Agriculture, 2023, vol. 14, issue 1, 1-25

Abstract: The aim of this study is to assess the storability and nutritional value of new Polish apple cultivars recommended for cultivation after storage under low-oxygen atmospheric conditions (ULO and DCA). Fruit characteristics of ‘Chopin’ and clone ‘JB’ were evaluated in relation to commonly grown apple cultivars. Fruits of six selected apple cultivars were stored for a period of 9 months in conventional (0.04% CO 2 : 21% O 2 ), Ultra-Low Oxygen (1.5% CO 2 : 1.5% O 2 ), and Dynamic Controlled Atmosphere (0.6% CO 2 : 0.6% O 2 ) cold storage. Physicochemical characteristics of the apples (firmness, soluble solids, acidity, and fibre content), nutritional and antioxidant values of the fruit (P, K, Ca, Mg, Fe, Cu, Zn, total polyphenols, total flavonoids, and antioxidant capacity), and safety of consumption (residues of pesticides) were assessed. The new cultivar ‘Chopin’ and clone ‘JB’ were characterised by above-average acidity and clone ‘JB’ stood out in terms of antioxidant properties. Storage in a low-oxygen atmosphere in DCA was more effective in limiting fruit ripening than conventional cold storage, contributing to the preservation of the high potential of biologically active compounds in the apples. Apples after 9 months of storage were characterised by higher firmness (from 3.5 to 14 N), higher total polyphenol content in the flesh (from 8 to 23 mg∙100 g −1 FW) and peel (from 32 to 97 mg∙100 g −1 FW), as well as higher antioxidant capacity in the flesh (from 15 to 37 mg AAE∙100 g −1 FW) and peel (from 28 to 59 mg AAE∙100 g −1 FW) when stored in DCA compared to cold storage.

Keywords: Dynamic Controlled Atmosphere; Ultra-Low Oxygen; fruit quality; antioxidant properties; polyphenols (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2023
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