Ultrases Ön İşleminin Elma Dilimlerinin Kurutma ve Rehidrasyon Karakteristikleri ile Mikroyapısına Etkisinin Araştırılması
Investigation of Effect of Ultrasound Pretreatment on Drying and Rehydration Characteristics and Microstructure of Apple Slices

Senem TÜFEKÇİ [1] , Sami Gökhan ÖZKAL [2]


Bu çalışmada, ultrasonik ön işlem uygulamasının elma dilimlerinin sıcak hava ile kurutulması, rehidrasyon özellikleri ve mikro yapısında meydana gelen değişikler üzerine etkisi araştırılmıştır. Materyal olarak 5 mm kalınlığında Granny Smith elma çeşidinin dilimleri kullanılmıştır. Ultrases ön işlemi 20 kHz frekanslı ultrases üreticisi ile yapılmıştır. Ultrases ön işleminin etkisi seçilen süre (10, 20, 30 dakika) ve genlik (% 55 ve % 100) değerlerinde incelenmiştir. Kurutma deneyleri kabin kurutucuda 60 °C’de ve 0.3 m.s-1 sabit hava hızında gerçekleştirilmiştir. Ultrases ön işlemi, bazı koşullarda elma dilimlerinin kuruma süresini kısaltmıştır. Denenen beş ince tabaka kurutma modeli arasından Page ve Modifiye Page modelleri elma dilimlerinin kurutulmasını ifade eden en uygun modeller olarak bulunmuştur. Ultrases ön işleminin neden olduğu mikroyapısal değişiklikler, kurutulmuş elmaların rehidrasyon kabiliyetini arttırmıştır. Ön işlem süresi ve ultrases genliği arttıkça rehidrasyon oranı artış eğiliminde olmuştur. Peleg modeli örneklerin rehidrasyon kinetiğini başarılı biçimde temsil etmiştir. Ultrases ön işlemi ile elma örneklerinin mikroyapısında meydana gelen değişimler taramalı elektron mikroskobu görüntüleri ile açık bir şekilde gözlemlenmiştir. Ultrases ön işlemi ile elma dokusunda meydana gelen yapısal değişiklikler düşük büzüşme oranı değerleri olarak sonuçlanmıştır.

In this study, the effects of ultrasound pretreatment on hot air drying and rehydration characteristics and microstructure changes of apple slices were examined. Slices of apple cv. Granny Smith having 5 mm thickness were used as the material. Pretreatments with ultrasound application were done by an ultrasonic generator with 20 kHz frequency. Effect of pretreatment time (10, 20, 30 min) and amplitude (55 and 100 %) were evaluated. Drying experiments were performed in a cabinet drier at 60°C with 0.3 m.s-1 constant air velocity. Application of ultrasound pretreatment decreased the drying time of apple slices in some conditions. Amongst the five thin layer drying models tested, the Page and Modified Page models found to be the best fitting models for the expression of the drying of apple slices. Microstructural changes caused by ultrasound pretreatment enhanced the rehydration ability of dried apples. As the pretreatment time and ultrasound amplitude increased, the rehydration ratio had an increasing trend. Peleg model represented the rehydration kinetics of the samples successfully. Changes in the microstructure of the apple samples caused by the ultrasound pretreatment were clearly observed with scanning electron microscopy images. Structural changes, caused by ultrasound pretreatment in apple tissues, resulted in low shrinkage values.

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Primary Language en
Subjects Agricultural, Engineering
Published Date Aralık 2020
Journal Section Articles
Authors

Orcid: 0000-0002-4613-2418
Author: Senem TÜFEKÇİ
Institution: PAMUKKALE ÜNİVERSİTESİ
Country: Turkey


Orcid: 0000-0001-5040-9814
Author: Sami Gökhan ÖZKAL (Primary Author)
Institution: Pamukkale University
Country: Turkey


Supporting Institution Pamukkale Üniversitesi
Project Number PAUBAP 2012FBE060
Thanks This project was supported by Pamukkale University with No: PAUBAP 2012FBE060.
Dates

Publication Date : December 31, 2020

Bibtex @research article { yyutbd698826, journal = {Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi}, issn = {1308-7576}, eissn = {1308-7584}, address = {}, publisher = {Yuzuncu Yil University}, year = {2020}, volume = {30}, pages = {950 - 962}, doi = {10.29133/yyutbd.698826}, title = {Investigation of Effect of Ultrasound Pretreatment on Drying and Rehydration Characteristics and Microstructure of Apple Slices}, key = {cite}, author = {Tüfekçi̇, Senem and Özkal, Sami Gökhan} }
APA Tüfekçi̇, S , Özkal, S . (2020). Investigation of Effect of Ultrasound Pretreatment on Drying and Rehydration Characteristics and Microstructure of Apple Slices . Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi , Volume:30 Issue: Additional issue , 950-962 . DOI: 10.29133/yyutbd.698826
MLA Tüfekçi̇, S , Özkal, S . "Investigation of Effect of Ultrasound Pretreatment on Drying and Rehydration Characteristics and Microstructure of Apple Slices" . Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi 30 (2020 ): 950-962 <https://dergipark.org.tr/en/pub/yyutbd/issue/59373/698826>
Chicago Tüfekçi̇, S , Özkal, S . "Investigation of Effect of Ultrasound Pretreatment on Drying and Rehydration Characteristics and Microstructure of Apple Slices". Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi 30 (2020 ): 950-962
RIS TY - JOUR T1 - Investigation of Effect of Ultrasound Pretreatment on Drying and Rehydration Characteristics and Microstructure of Apple Slices AU - Senem Tüfekçi̇ , Sami Gökhan Özkal Y1 - 2020 PY - 2020 N1 - doi: 10.29133/yyutbd.698826 DO - 10.29133/yyutbd.698826 T2 - Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi JF - Journal JO - JOR SP - 950 EP - 962 VL - 30 IS - Ek sayı (Additional issue) SN - 1308-7576-1308-7584 M3 - doi: 10.29133/yyutbd.698826 UR - https://doi.org/10.29133/yyutbd.698826 Y2 - 2020 ER -
EndNote %0 Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi Investigation of Effect of Ultrasound Pretreatment on Drying and Rehydration Characteristics and Microstructure of Apple Slices %A Senem Tüfekçi̇ , Sami Gökhan Özkal %T Investigation of Effect of Ultrasound Pretreatment on Drying and Rehydration Characteristics and Microstructure of Apple Slices %D 2020 %J Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi %P 1308-7576-1308-7584 %V 30 %N Ek sayı (Additional issue) %R doi: 10.29133/yyutbd.698826 %U 10.29133/yyutbd.698826
ISNAD Tüfekçi̇, Senem , Özkal, Sami Gökhan . "Investigation of Effect of Ultrasound Pretreatment on Drying and Rehydration Characteristics and Microstructure of Apple Slices". Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi 30 / Ek sayı (Additional issue) (December 2020): 950-962 . https://doi.org/10.29133/yyutbd.698826
AMA Tüfekçi̇ S , Özkal S . Investigation of Effect of Ultrasound Pretreatment on Drying and Rehydration Characteristics and Microstructure of Apple Slices. YYÜ TAR BİL DERG. 2020; 30(Ek sayı (Additional issue)): 950-962.
Vancouver Tüfekçi̇ S , Özkal S . Investigation of Effect of Ultrasound Pretreatment on Drying and Rehydration Characteristics and Microstructure of Apple Slices. Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi. 2020; 30(Ek sayı (Additional issue)): 950-962.
IEEE S. Tüfekçi̇ and S. Özkal , "Investigation of Effect of Ultrasound Pretreatment on Drying and Rehydration Characteristics and Microstructure of Apple Slices", Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi, vol. 30, no. Ek sayı (Additional issue), pp. 950-962, Dec. 2021, doi:10.29133/yyutbd.698826