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Fats & oils

 

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Trans fats in foods and the commercial challenges

28 August 2013 | By M. S. Alam Head of Fats and Oils Program, Food Protein R&D Center, Texas A&M University

Fats and oils are major sources of energy, providing nine kilocalories per gram compared to carbohydrates and proteins which provide only four kilocalories per gram and 3.8 kcal/g of energy, respectively. The two major sources of edible fats and oils are plants and animals. Plant sources or vegetable oils are…

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Reducing fat and sodium in cheese

19 June 2013 | By Professor Donald J. McMahon, Western Dairy, Utah State University

Health regulators seek to reduce dietary fat intake and sodium intake by stipulating that cheeses should be made with lower fat and lower salt contents. However, both fat and salt contribute to cheese flavour, and fat especially impacts cheese appearance, texture and melting. Cheese is adversely affected by fat and…

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Implementation of removing trans fatty acids originating from PVHO

6 November 2012 | By Sergey Melnikov, Lead Technologist and Oil Processing and Fat Blends Team Leader and Hans Zevenbergen, Nutrition & Health Europe and Cross-Category Nutrition & Health Director, Unilever

Trans fats (also known as trans fatty acids, or TFA) are formed in the digestive system of ruminants. In the food industry, a similar process called ‘partial hydrogenation’ is used to convert vegetable oils into solid fats for enhanced functionality and shelf life stability. The main sources of TFA in…

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Chocolate aeration – Art or science?

6 September 2011 | By Josélio Vieira, Principal Research Scientist, Nestlé Product Technology Centre and Venkata R. Sundara, Group Leader for Aerated and Filled Confectionery, Nestlé Product Technology Centre

Bubble inclusion into chocolate results in a foam in which the gas is dispersed in the continuous fat phase of mainly cocoa butter, which also contains sugar, cocoa and milk powder particles. Aeration allows chocolate products to have a low weight in relation to volume, thereby reducing the calories in…