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CHANGES IN TOTAL PHENOLIC AND FLAVONOID CONTENTS OF ROWANBERRY FRUIT DURING POSTHARVEST STORAGE

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dc.creator Baltacioglu, Cem
dc.creator Velioglu, Sedat
dc.creator KARACABEY, Erkan
dc.date 2011-07-31T21:00:00Z
dc.date.accessioned 2020-10-06T10:48:10Z
dc.date.available 2020-10-06T10:48:10Z
dc.identifier 8d19a6ba-8958-4b0b-8195-ef26b45a7c2c
dc.identifier 10.1111/j.1745-4557.2011.00389.x
dc.identifier https://avesis.sdu.edu.tr/publication/details/8d19a6ba-8958-4b0b-8195-ef26b45a7c2c/oai
dc.identifier.uri http://acikerisim.sdu.edu.tr/xmlui/handle/123456789/65987
dc.description Postharvest storage conditions of rowanberry (Sorbus aucuparia) fruits were investigated. The influences of temperature and storage time on total phenolic content were observed. Both variables affected phenolic content of rowanberries, and their total phenolic contents significantly reduced during the 20-day storage at 4 and 22C. The loss of total phenolic was found to be almost 50% of its initial amount (3,619.8 mg/kg fresh weight [fw]) at 22C, which was higher than occurred loss (30%) at 4C. An investigation of rowanberry flavonoids showed the presence of rutin, quercetin-3-glucoside and quercetin-3-D-galactoside (Q3DG). Quantitative analysis of berry flavonoids showed Q3DG as a major compound, being 24.55 mg/kg fw. The highest reduction (86% of its initial amount) was also seen in that compound level compared with other ones. Degradation kinetics of flavonoids was studied at 22C over 16 days of storage. Checking of model adequacies indicated that their reductions followed a first-order kinetic.
dc.language eng
dc.rights info:eu-repo/semantics/closedAccess
dc.title CHANGES IN TOTAL PHENOLIC AND FLAVONOID CONTENTS OF ROWANBERRY FRUIT DURING POSTHARVEST STORAGE
dc.type info:eu-repo/semantics/article


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