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Product Development

 

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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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Colours & Flavours supplement 2013

26 April 2013 | By Martina Lapierre, Vitafoods Europe, Colette Jermann

Flavours: When performance and packaging are no longer compatible Martina Lapierre (Flavour Technologist, PepsiCo)Vitafoods 2013 Preview (Vitafoods Europe, the global nutraceutical event)How novel technologies can help you to use clean label colours Colette Jermann (Department of Food Manufacturing Technologies, Campden BRI)

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Pork quality and carcass chilling

26 April 2013 | By Lars Kristensen, Section Manager, Danish Meat Research Institute

Chilling of hot carcasses is an important process in the meat production chain, and the rate of chilling especially has a major impact on meat quality, chill loss, shelf-life and microbial safety. The carcass temperature just before chilling is normally in the range of 39 – 40°C, and the goal…

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PAT in large-scale dairy processing

26 April 2013 | By Tristan Hunter, Technical Manager – Strategy, Fonterra Co-operative Group Ltd

Open any magazine aimed at the pharmaceutical manufacturing industry and there are regular references to Process Analytical Technology (PAT). There has been a significant focus on this area ever since publication of the US Food and Drug Administration (FDA) report in 20041 encouraging the pharmaceutical industry to adopt PAT. Touted…

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Flavours: When performance and packaging are no longer compatible

26 April 2013 | By Martina Lapierre, Flavour Technologist, PepsiCo

“The sensory threshold for difference detection can be considered to occur when there is a 30 per cent decrease in the concentration of a flavourant”. Flavourings are concentrated aroma chemical systems used in food and beverage formulations and as such are important in the provision of aroma and taste. Their…

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How novel technologies can help you to use clean label colours

26 April 2013 | By Colette Jermann, Department of Food Manufacturing Technologies, Campden BRI

The trend for clean label products has been growing since the 1980s. In 2007, the well-known University of Southampton study linked certain artificial colours (tartrazine, quinoline yellow, sunset yellow, carmoisine, ponceau 4R and allura red) and the preservative benzoate to hyperactivity and attention deficit disorders in children. Since then, interest…

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Natural flavour ingredients

28 February 2013 | By Jane Parker, Flavour Centre, Reading University

The flavour of processed foods has changed significantly over the last 50 years. Think back to the days of the early stock cubes or the original powdered desserts which bore only a passing resemblance to the real flavour. Since then, the food industry has been involved in a continuous programme…

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The impact of natural ingredients on the manufacture of soft drinks

11 January 2013 | By Cheryl Walker, Analytical Development Technologist, Britvic Soft Drinks Ltd

The soft drinks industry used to be fairly straightforward – there was a core group of products that were traditionally made and they were generally coloured and flavoured with synthetic materials, contained a lot of sugar and were preserved with sodium benzoate and / or sulphur dioxide. They were bottled…

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The chemistry of beer

6 November 2012 | By Charles W. Bamforth, Anheuser-Busch Endowed Professor of Malting & Brewing Sciences at UC Davis

It has variously been estimated that there are between 1,000 and 2,000 different chemical species in beer, probably twice as many as are present in wine. It is an extraordinarily complex liquid. Not all of those chemical components make a substantial contribution to the quality of beer, but many do.…

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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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Unravelling chocolate aroma

6 September 2012 | By Angela Ryan and Alison Hemesley, Nestlé Product Technology Centre

It’s been almost 500 years since Aztec Emperor Moctezuma reputedly introduced Hernando Cortéz to his favourite cocoa-based beverage Xocolatl, but our demand for cocoa and more recently chocolate has continued to grow ever since. Today, world cocoa production is estimated to be 3990 million metric tons and the major cocoa…

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Packaged chillers with ammonia as a refrigerant: the natural choice

6 September 2012 | By René van Gerwen, Global Lead Engineer Refrigeration & HVAC, Unilever Engineering Services

Industrial chillers for the supply of chilled water, cold glycol or brine, are frequently used over a long time, and have become even more attractive for several applications to replace direct refrigeration systems. Greenhouse gas footprint and lifecycle costs of ownership of industrial chillers can be significantly reduced by using…

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Innovative freezing technologies for foods

6 September 2012 | By Stephen J. James & Christian James, Food Refrigeration and Process Engineering Research Centre, Grimsby Institute of Further and Higher Education

Freezing is a well-established food preservation process that produces high quality nutritious foods that offer the advantage of a long storage life. However, freezing is not suitable for all foods and freezing does cause physical and chemical changes in many foods that are perceived as reducing the quality of the…

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Hygienic design of pumps: an EHEDG perspective

5 September 2012 | By Maxime Chevalier, EHEDG Member

Historically, maintaining the hygiene of a food process required a complete or partial disassembly and manual cleaning of every component (Cleaning out of Place: COP). The 1950’s saw the development of a method to clean the equipment without dismantling (Cleaning in Place: CIP) with the benefit of better repeatability, reduced…