Journals / Türk Tarım - Gıda Bilim ve Teknoloji dergisi / 2020 / Cilt: 8 - Sayı: 1

The Effect of High Power Ultrasound on the Milk Homogenization Efficiency and Milk Fat Globule Size Compared to Conventional Homogenization

Klasik Homojenizasyona Kıyasla Yüksek Enerjili Ultrason Uygulamasının Sütün Homojenizasyon Etkinliğine ve Süt Yağ Globül Boyutuna Etkisi

Pages
252–259
DOI
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AI Summary & Key Takeaways

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

The efficiency in the reduction of milk fat globule diameters increased with the increase in the power of the ultrasound process and the maximum reduction in fat globule size was determined at 400W ultrasound application for 15 minutes.

📌 3 Key Takeaways

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Objective & Hypothesis:Milk fat globule size significantly affects the quality of dairy products, especially sensorial and rheological properties.
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Key Findings & Data:In this study, the effect of ultrasonic homogenization application at 4 different power (90W, 180W, 300W and 400W) for 15 minutes on milk fat globule size and homogenization efficiency compared to conventional single stage homogenization at 150 bar pressure and two stage homogenization at 150/50 bar pressure was examined.
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Conclusion & Impact:The efficiency in the reduction of milk fat globule diameters increased with the increase in the power of the ultrasound process and the maximum reduction in fat globule size was determined at 400W ultrasound application for 15 minutes.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Milk fat globule size significantly affects the quality of dairy products, especially sensorial and rheological properties. For this reason, homogenization process is applied in the production of many dairy products to reduce milk fat globule size. In this study, the effect of ultrasonic homogenization application at 4 different power (90W, 180W, 300W and 400W) for 15 minutes on milk fat globule size and homogenization efficiency compared to conventional single stage homogenization at 150 bar pressure and two stage homogenization at 150/50 bar pressure was examined. Dv 0.99, Dv 0.90 and Dv 0.50 volumetric diameter values in micrometer (μm) and milk fat globule sizes in nanometer (nm) by laser diffraction devices and homogenization efficiency values in percent of the milk samples homogenized by different methods were determined. Microscopic imaging of milk fat globules was also performed in all milk samples. The ultrasound process was found more effective in reducing milk fat globule diameters than both single stage and two stage conventional homogenization. The efficiency in the reduction of milk fat globule diameters increased with the increase in the power of the ultrasound process and the maximum reduction in fat globule size was determined at 400W ultrasound application for 15 minutes.

Özet

Sütün yağ globül boyutu, süt ürünlerinin kalitesini özellikle duyusal ve reolojik özelliklerini önemli ölçüde etkilemektedir. Bu sebeple pek çok süt ürününün üretiminde yağ globüllerini küçültmek amacıyla homojenizasyon işlemi uygulanmaktadır. Bu çalışmada, 4 farklı güçte (90W, 180W, 300W ve 400W) 15 dakika süreyle süte uygulanan ultrasonik homojenizasyon işleminin 150 bar basınçta tek kademeli klasik homojenizasyona ve 150/50 bar basınçta çift kademeli klasik homojenizasyona kıyasla yağ globül boyutuna ve homojenizasyon etkinliği üzerine etkisi incelenmiştir. Farklı metotlarla homojenize edilen süt örneklerinin homojenizasyon etkinlik değeri % olarak, lazer kırınımı prensibiyle çalışan cihazlarla Dv 0,99, Dv 0,90, Dv 0,50 hacimsel çap değerleri mikrometre (μm) olarak ve süt yağ globül boyutları nanometre (nm) olarak belirlenmiştir. Ayrıca tüm süt örneklerinde yağ globüllerinin mikroskobik görüntülenmesi gerçekleştirilmiştir. Ultrason işleminin hem tek kademe hem de çift kademe klasik homojenizasyon işlemine göre süt yağ globül çaplarını küçültmede daha etkili olduğu belirlenmiştir. Uygulanan ultrason işleminin gücü arttıkça süt yağ globül çaplarını küçültme etkinliği de artmış ve yağ globül boyutundaki en fazla küçülme 400W 15 dakika ultrason uygulamasında saptanmıştır.

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Cite This Article

AKDENİZ, V., AKALIN, A. S. (2020). The Effect of High Power Ultrasound on the Milk Homogenization Efficiency and Milk Fat Globule Size Compared to Conventional Homogenization. Türk Tarım - Gıda Bilim ve Teknoloji dergisi, Cilt: 8 - Sayı: 1, 252–259. https://ajindex.com/articles/331105

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