Better understanding of food material on the basis of water distribution using Thermogravimetric analysis
Joardder, Mohammad Uzzal Hossain, Karim, M.A., & Kumar, Chandan (2013) Better understanding of food material on the basis of water distribution using Thermogravimetric analysis. In International Conference on Mechanical, Industrial and Materials Engineering (ICMIME2013), 1-3 November 2013, Rajshahi University of Engineering & Technology, Rajshahi, Bangladesh.
The prime objective of drying is to enhance shelf life of perishable food materials. As the process is very energy intensive in nature, researchers are trying to minimise energy consumption in the drying process. In order to determine the exact amount of energy needed for drying a food product, understanding the physics of moisture distribution and bond strength of water within the food material is essential. In order understand the critical moisture content, moisture distribution and water bond strength in food material, Thermogravimetric analysis (TGA) can be properly utilised. This work has been conducted to investigate moisture distribution and water bond strength in selected food materials; apple, banana and potato. It was found that moisture distribution and water bond strength influence moisture migration from the food materials. In addition, proportion of different types of water (bound, free, surface water) has been simply identified using TGA. This study provides a better understanding of water contents and its role in drying rate and energy consumption.
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|Item Type:||Conference Paper|
|Additional Information:||Paper ID: AB-052|
|Keywords:||Drying, food materials, moisture distribution, energy, drying rate|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > FOOD SCIENCES (090800) > Food Chemistry and Molecular Gastronomy (excl. Wine) (090801)|
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Past > QUT Faculties & Divisions > Faculty of Science and Technology
|Copyright Owner:||Copyright 2013 Please consult the authors|
|Deposited On:||26 Nov 2013 23:21|
|Last Modified:||03 Dec 2013 03:06|
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