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Journals / Çukurova Tarım ve Gıda Bilimleri Dergisi / 2017 / Cilt: 32 - Sayı: 2

Determination of Changes in Phytochemical Properties of Ready to Eat Lettuce During Modified Atmosphere Storage

Az İşlem Görmüş Marulların Modifiye Atmosferde Depolanması Sürecinde Fitokimyasal Özelliklerindeki Değişimlerin Belirlenmesi

Cemal KAYA
Cem AYDIN
Mustafa BAYRAM
Şenay ÖZGEN
Pages
77–88
Publication Date
2017-12-29
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

In terms of total antioxidant capacity, at the beginning of storage, FRAP values ranged from 0.80-4.0 μmol TE / g fresh weight and TEAC values ranged from 0.90-5.48 μmol TE / g fresh weight, and the lowest FRAP (0, 61) and TEAC (0,85) values were determined in the Fonesca type, while the highest FRAP (5.04) and TEAC (7.07) values were determined in the Pearly variety at the end of storage.

📌 3 Key Takeaways

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Objective & Hypothesis:In the study, 3 different lettuce varieties (Versai, Fonesca and Pearly) grown by applying 2 different fertilizer types (farm and ammonium sulphate fertilizer), approximately 200g portions, were packed in Bioriented Polypropylene (BOPP) packaging film and stored at 15±1 ° C for 15 days after pretreatments.
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Key Findings & Data:In pre-storage analyzes, chlorophyll content of lettuce samples ranged from 23,74-27,12mg/kg, the highest chlorophyll content (25,16mg / kg) at the end of storage was determined in the Pearly variety grown with ammonium sulphate.
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Conclusion & Impact:In terms of total antioxidant capacity, at the beginning of storage, FRAP values ranged from 0.80-4.0 μmol TE / g fresh weight and TEAC values ranged from 0.90-5.48 μmol TE / g fresh weight, and the lowest FRAP (0, 61) and TEAC (0,85) values were determined in the Fonesca type, while the highest FRAP (5.04) and TEAC (7.07) values were determined in the Pearly variety at the end of storage.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Marul · ambalajlama · depolama

Abstract

In the study, 3 different lettuce varieties (Versai, Fonesca and Pearly) grown by applying 2 different fertilizer types (farm and ammonium sulphate fertilizer), approximately 200g portions, were packed in Bioriented Polypropylene (BOPP) packaging film and stored at 15±1 ° C for 15 days after pretreatments. Analyzes of soluble solid content (SSC), total dry matter, pH, amount of titrable acidity, total chlorophyll, total anthocyanin, total phenolic compound and total antioxidant capacity were made in samples during storage. In pre-storage analyzes, chlorophyll content of lettuce samples ranged from 23,74-27,12mg/kg, the highest chlorophyll content (25,16mg / kg) at the end of storage was determined in the Pearly variety grown with ammonium sulphate. In first day of storage, the total phenolic substance values of Versai and Fonesca lettuce varied from 324.22 to 397.33 g GAE/g, whereas for Pearly lettuce , this range was changed to 600.34-906.58 g GAE/g. In terms of total antioxidant capacity, at the beginning of storage, FRAP values ranged from 0.80-4.0 μmol TE / g fresh weight and TEAC values ranged from 0.90-5.48 μmol TE / g fresh weight, and the lowest FRAP (0, 61) and TEAC (0,85) values were determined in the Fonesca type, while the highest FRAP (5.04) and TEAC (7.07) values were determined in the Pearly variety at the end of storage.

Özet

Çalışmada, 2 farklı gübre çeşidi (çiftlik ve amonyum sülfat gübresi) uygulanarak yetiştirilmiş 3 farklı marul çeşidi (Versai, Fonesca ve Pearly) ön işlem uygulanması sonrasında yaklaşık 200g’lık porsiyonlar halinde Bioriented Polypropylene (BOPP) ambalaj filmi ile paketlenerek 5±1˚C’de 15 gün süreyle depolanmıştır. Depolama sürecinde örneklerde suda çözünebilir kuru madde(SÇKM), toplam kuru madde, pH, titre edilebilir asit miktarı, toplam klorofil, toplam antosiyanin, toplam fenolik madde ve toplam antioksidan kapasitesi analizleri yapılmıştır. Depolama öncesi yapılan analizlerde, marul örneklerinin klorofil miktarları 23,74-27,12mg/kg aralığında değişirken, depolamanın sonunda en yüksek klorofil içeriği(25,16mg/kg) amonyum sülfat gübresi ile yetiştirilmiş Pearly çeşidinde belirlenmiştir. Depolamanın ilk günü yapılan analizlerde toplam fenolik madde yönünden Versai ve Fonesca çeşidi marulların değerleri 324,22–397,33 μg GAE/g aralığında değişirken Pearly çeşidi için bu aralık 600,34–906,58 μg GAE/g olarak değişmiştir. Toplam Antioksidan kapasitesi bakımından depolama işlemi başlangıcında FRAP değerleri 0,80-4,04 μmol TE /g yaş ağırlık ve TEAC değerleri 0,90-5,48 μmol TE/g yaş ağırlık arasında değişmiş olup, depolamanın sonunda en düşük FRAP (0,61) ve TEAC(0,85) değeri Fonesca çeşidinde, en yüksek FRAP (5,04) ve TEAC(7,07) değeri ise Pearly çeşidinde belirlenmiştir.

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Cite This Article

KAYA, C., AYDIN, C., BAYRAM, M., ÖZGEN, Ş. (2017). Determination of Changes in Phytochemical Properties of Ready to Eat Lettuce During Modified Atmosphere Storage. Çukurova Tarım ve Gıda Bilimleri Dergisi, Cilt: 32 - Sayı: 2, 77–88. https://ajindex.com/articles/119569

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