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Science of Sake
This article outlines recent research on the brewing yeast of Japanese rice wine and highlights the unknown genetics of food microbes.
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Processing
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Supercritical fluid extraction and application of bioactive ingredients from plant materials
Supercritical fluid extraction (SFE) technology is a green technology that offers an alternative to conventional solvent extraction technology.1 Having less impact on the environment it also meets consumer demand for safe, natural and high quality ingredients. More and more industries are using SFE technology and are reported to have market…
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What’s driving the need to register food grade lubricants and cleaning products?
GFSI…FSMA…HACCP…FSCS…all of these used to be buzz words in the food industry but are no longer mere buzz words. They are now all key drivers behind ensuring chemical products, specifically lubricants and cleaners, are safe to use in the food processing environment. Over the past five to 10 years, product…
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Food grade lubricants – a food industry perspective
The aim of this article is to review the impact of Food Grade Lubricants (FGL) in the food industry and the implications for the manufacturers of FGL with ISO 21469:2006 ‘Safety of machinery-Lubricants with incidental product contact-Hygiene requirements’, as well as the compliance with relevant legislations.
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Unravelling acid whey processing by understanding lactose crystallisation
Nowadays acid whey typically refers to the ever expanding amounts of whey originating from Greek style yoghurt. However, not every acid whey is the same. As lactose crystallisation in acid whey is complex and affected by many factors, including the presence of lactic acid, minerals and proteins, it is more…
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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…
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Extrusion of cereals
26 August 2010 | By Mian N. Riaz, Head of Extrusion Technology Program, Texas A&M University
The world cereal yield was 2,219 million tons in 2009, according to the United Nations Food and Agriculture Organisation1. Cereal grains are grown all over the world and provide more food energy than any other type of crop, they are therefore staple crops. Cereals can be consumed in their natural…
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The evolution of ice cream technology
3 May 2005 | By Sabina Burmester, Andrew Russell and Deryck Cebula, Ice Cream Global Technology Centre, Unilever R&D Colworth, U.K.
The process used for commercial ice cream manufacture has changed little in the past 75 years – since the first continuous scraped surface freezer was introduced in the 1930s. In recent years, however, several key technological developments have taken place in the way ice cream is manufactured and these are…
