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Antioxidant stability of small fruits in postharvest storage at room and refrigerator temperatures


Piljac-Žegarac, Jasenka; Šamec, Dunja
Antioxidant stability of small fruits in postharvest storage at room and refrigerator temperatures // Food research international, 44 (2011), 1; 345-350 doi::10.1016/j.foodres.2010.09.039 (međunarodna recenzija, članak, znanstveni)


Naslov
Antioxidant stability of small fruits in postharvest storage at room and refrigerator temperatures

Autori
Piljac-Žegarac, Jasenka ; Šamec, Dunja

Izvornik
Food research international (0963-9969) 44 (2011), 1; 345-350

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Fruit ; antioxidant activity ; storage ; temperature effects ; phytochemicals ; total phenols ; flavonoids ; anthocyanins

Sažetak
Strawberries (Fragaria ananassa), raspberries (Rubus idaeus) and red currants (Ribes rubrum), as well as two drupes, cherries (Prunus avium), and sour cherries (Prunus cerasus), were subjected to two storage temperatures (4°C and 25°C) and phytochemicals concentrations (total phenols, flavonoids and anthocyanins) as well as antioxidant capacity (DPPH, ABTS and FRAP assays) were monitored until the fruit visually spoiled. Red currants and strawberries exhibited the highest initial total phenol (TP) contents (322.40 ± 5.56 and 335.47 ± 6.12 mg GAE/100 g FW, respectively) and maintained the highest TP contents throughout storage at both temperatures. Storage of at 25°C as opposed to 4°C, facilitated faster spoilage of analyzed fruits. In addition, most fruits stored at 4°C, exhibited slightly higher antioxidant activity values at the end of storage according to all three antioxidant activity assays as opposed to fruits stored at 25°C. The dynamic evolution of antioxidant capacity at both temperatures reflected the transient changes in phytochemical composition of small fruits in storage.

Izvorni jezik
Engleski

Znanstvena područja
Biologija, Prehrambena tehnologija



POVEZANOST RADA


Projekt / tema
098-0982913-2829 - Molekularna regulacija biljnog razvitka (Branka Salopek-Sondi, )

Ustanove
Institut "Ruđer Bošković", Zagreb

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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