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Journal of Food Biosciences and Technology
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Khezri, M., Shahriari, S., Shahsavani, L. (2017). The Effect of Xanthan Gum and Temperature on Foam Stability of Milk-Based Espresso Coffees. Journal of Food Biosciences and Technology, 07(1), 15-22.
M. Khezri; Sh. Shahriari; L. Shahsavani. "The Effect of Xanthan Gum and Temperature on Foam Stability of Milk-Based Espresso Coffees". Journal of Food Biosciences and Technology, 07, 1, 2017, 15-22.
Khezri, M., Shahriari, S., Shahsavani, L. (2017). 'The Effect of Xanthan Gum and Temperature on Foam Stability of Milk-Based Espresso Coffees', Journal of Food Biosciences and Technology, 07(1), pp. 15-22.
Khezri, M., Shahriari, S., Shahsavani, L. The Effect of Xanthan Gum and Temperature on Foam Stability of Milk-Based Espresso Coffees. Journal of Food Biosciences and Technology, 2017; 07(1): 15-22.

The Effect of Xanthan Gum and Temperature on Foam Stability of Milk-Based Espresso Coffees

Article 3, Volume 07, Issue 1, Winter and Spring 2017, Page 15-22  XML PDF (407 K)
Document Type: Research Paper
Authors
M. Khezri1; Sh. Shahriari* 2; L. Shahsavani3
1M. Sc. Student of the Department of Food Science and Technology, Shahr-e-Qods Branch, Islamic Azad University, Tehran, Iran.
2Assistant Professor of the Department of Chemical Engineering, Shahr-e-Qods Branch, Islamic Azad University, Tehran, Iran.
3Academic Memder of the Department of Food Science and Technology, Shahr-e-Qods Branch, Islamic Azad University, Tehran, Iran.
Abstract
Milk-based espresso coffee is one of the most popular beverages. Foam is an essential quality characteristic for this beverage. Foam formation and stability is mainly related to the milk composition. In this study the influence of three different concentrations of Xanthan gum (0.05, 0.1 and 0.2 g dm-3) and three different temperatures (50, 60 and 70 °C) on foam stability were examined and experimental data was determined 5, 10 and 15 minutes after aeration. Sensory properties were also evaluated and the results were analyzed using Duncan’s mean comparison test at the probability level of 95%. The viscosity of coffee milk was increased due to the addition of Xanthan. The highest foam stability and sensory acceptance were observed in the product containing 0.2 g dm-3 Xanthan at 70°C.
Keywords
Coffee; Foam; Temperature; Xanthan Gum
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