Drying of Onion Paste to Develop Powders by Foam-Mat Drying Process using Egg Albumin as Foaming Agent
M. Javed Iqbal1, Rizwan Shukat1, Muhammad Farooq2*, Iftikhar Ahmed Solangi2, Naila Ilyas3, Rahman Ullah4, A. Shakoor5, Muhammad Bakhtiar6 and Faraz Ahmed7
1Department of Food Technology National Institute of Food Science and Technology, University of Agriculture Faisalabad, Pakistan; 2College of Food Science and Engineering, Northwest A and F University, Yangling, Shaanxi712100, P.R. China; 3Graduate School of Chinese Academy of Agricultural Sciences, Beijing 100081, China; 4Faculty of Veterinary Sciences, Gomal University, Dera Ismail Khan, Pakistan; 5Beijing Key Laboratory of Quality Evaluation Technology for Hygiene and Safety of Plastic, Beijing Technology and Business. University, Beijing, 100048, China; 6Department of Agronomy, University of Agriculture Peshawar, Khyber Pakhtunkhwa, Pakistan; 7College of Food Science and Technology, Shanghai Ocean University, Shanghai, 201306, China.
*Correspondence | Muhammad Farooq, College of Food Science and Engineering, Northwest A and F University, Yangling, Shaanxi712100, P.R. China; Email:
[email protected]
Diagram:
Schematic diagram of the foaming process system
Figure 1:
Effect of soy protein concentration level on moisture during foam mat drying of onion paste at 55°C.
Figure 2:
Effect of soy protein concentration level on moisture during foam mat drying of onion paste at 65°C.
Figure 3:
Effect of soy protein concentration level on moisture during foam mat drying of onion paste at 75°C.
Figure 4:
Effect of soy protein concentration level on drying rate of foam mat dried onion paste at 55°C.
Figure 5:
Effect of soy protein concentration level on drying rate of foam mat dried onion paste at 65°C.
Figure 6:
Effect of soy protein concentration level on drying rate of foam mat dried onion paste at 75°C.
Figure 7:
Effect of different temperatures (55°C, 65°C and 75°C) on drying rate of onion powders developed by 12% soy protein as foaming agent.