TY  - JOUR
T1  - Granny Smith Elma Çeşidinde Farklı Depolama Tekniklerinin Toplam Fenol ve Antioksidan Aktivitesi Üzerine Etkileri
TT  - Effect of Different Storage Techniques on Total Phenol and Antioxidant Activity in Apple cv. Granny Smith
AU  - Çalhan, Özgür
AU  - Topçu, Tuba
AU  - Güneyli, Atakan
AU  - Onursal, Cemile Ebru
AU  - Eren, İsa
PY  - 2016
DA  - March
Y2  - 2016
JF  - Bahçe
PB  - Atatürk Bahçe Kültürleri Merkez Araştırma Enstitüsü
WT  - DergiPark
SN  - 1300-8943
SP  - 1181
EP  - 1186
VL  - 45
IS  - (Özel Sayı 1) 7. Ulusal Bahçe Bitkileri Kongresi
LA  - tr
AB  - Granny Smith elma çeşidinde erken (EH) ve optimum (OH) zamanlarda yapılan hasatlardan elde edilen meyveler 0℃ ve %85-90 RH koşullarında normal atmosferde (NA), %90-95 RH koşullarında kontrollü atmosfer (KA) ve dinamik kontrollü atmosferde (DKA) muhafaza edilmiştir. Depolama öncesinde NA ve KA depolama koşullarına konan meyvelere hasat sonrası metilsiklopropen (1-MCP) (1 µL/L) ve difenilamin (DPA) (2000 mg/L) uygulamaları da yapılmıştır. Tüm uygulamalar sonunda meyveler NA koşullarında 8 ay, KA ve DKA koşullarında 10 süreyle depolama yapılmıştır. Depolamadan her 2 ayda bir numuneler alınmıştır. Alınan numunelerin yarısı raf ömrü koşullarında (20℃ ve %60-65 RH) 10 gün bekletilmiştir. Hem soğuk depolamadan hem de raf ömrü sonundaki meyvelerden örnekler alınarak -80℃’de bekletilmiştir. Tüm meyve depolamaları tamamlandıktan sonra meyvelerin toplam fenol (TF) ve antioksidan aktivitesi (AA) analizleri yapılmıştır. Uygulamalar üzerine TF önemsiz iken AA istatistiki olarak önemli çıkmış ve en yüksek değerler 1-MCP uygulamasından elde edilmiştir. Hasat tarihi TF ve AA üzerine etkili olmuş ve EH meyveler daha düşük değerler almıştır.
KW  - Granny Smith
KW  - toplam fenol
KW  - antioksidan aktivitesi
KW  - depolama
N2  - Fruits obtained from early (EH) and optimum (OH) harvested in Granny Smith apple cultivars stored at 0ºC and 85-90% relative humidity (RH) in regular atmosphere (RA), at 90±5% RH in controlled atmosphere (CA) (1% CO₂-1.5% O₂) and in dynamic controlled atmosphere (DCA) (0.7-0.8% O₂-1% CO₂). Fruits, stored in RA and CA conditions, were treated with postharvest treatments methylcyclopropene (1-MCP) (1 mL/L) and diphenylamine (DPA) (2000 mg/L). All pre-storage treatments were completed after fruits were stored for 8 months in RA condition and for 10 months in CA and DCA conditions. Fruits were removed cold storage 2 months intervals. The half of removed fruits were held shelf-life condition (20℃ and 60-65% RH) for 10 days. Fruit examples were taken on the day of removal from storage and on the 10th day of ripening and held at -80℃ by the time analyzed. At the end of all storage periods, collected fruits samples were analyzed total phenol (TP) and antioxidant activity (AA). While between pre-treatments of Granny Smith was found not to influence on TP, it was statically effective on AA and 1-MCP treated was higher value than other treatments. Harvest date of fruit was effective on TP and AA and EH fruits were lower TP and AA values than those of OH fruits.
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UR  - https://dergipark.org.tr/tr/pub/bahce/issue//1802631
L1  - https://dergipark.org.tr/tr/download/article-file/5325666
ER  -