Volume 1, Number 3 (September 2014)                   J. Food Qual. Hazards Control 2014, 1(3): 67-71 | Back to browse issues page

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Mollakhalili Meybodi N, Mohammadifar M, Naseri A. Effective Factors on the Stability of Oil-in-Water Emulsion Based Beverage: A Review. J. Food Qual. Hazards Control. 2014; 1 (3) :67-71
URL: http://jfqhc.ssu.ac.ir/article-1-68-en.html

Department of Food Science and Technology, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Sciences and Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran , mohamdif@ut.ac.ir
Abstract:   (1732 Views)

Beverage emulsions are systems that are composed of two liquids including oil and water which are prepared by homogenizing oil phase in an acidic aqueous phase. They must be stable in both concentrated and diluted form for a period of 6-12 months upon standing at room temperature. Two immiscible phases contained systems are thermodynamically unsta-ble. In other words, they are vulnerable to break down over time by different process such as flocculation, coalescence, gravitational separation, phase inversion and ostwald ripening. The rate of destabilization depends on physicochemical properties of two phases, interfacial layer characteristic and the components present in both continuous and dispersed phase. However, beverage emulsions are thermodynamically unstable it is possible to make it ki-netically stable using an appropriate emulsifier with respect to emulsion properties, change the dispersed phase characteristic in a way that retards its upward movement. In this article, the most common factors affected on beverage oil-in-water emulsion stability are reviewed. We will also introduce some solutions to improve beverage emulsion stability.

Full-Text [PDF 325 kb]   (857 Downloads)    
Type of Study: Review article | Subject: Special
Received: 14/04/30 | Accepted: 14/08/02 | Published: 14/09/15

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