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QA/QC

 

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Re-adhesion of bacterial spores during CIP procedures

15 December 2010 | By Christine Faille, INRA, UR638 Interface processes and hygiene of materials

Cleaning In Place (CIP) procedures have to ensure hygiene in food processing lines by the complete removal of bacteria from surfaces. However, a significant number of residual microorganisms are often still observed following CIP. At INRA, we put forward the hypothesis that some of the detached micro-organisms might re-adhere downstream.…

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Food Safety Knowledge: The Coca-Cola Food Safety Conference… A collaborative initiative

15 December 2010 | By Marc Cwikowski, Senior Manager Commercialisation – Global Quality and Product Integrity, The Coca-Cola Company

In December 2009, The Coca-Cola Company (TCCC) held a food safety conference in Shanghai. This was a landmark event for our Company and for the entire food and beverage industry. It involved capability building at all steps in our supply chain, including suppliers and sub-suppliers, and it embraced sharing knowledge…

Conserve Italia
Conserve Italia
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Ensuring global food safety through multi-residue monitoring of pesticides

15 December 2010 | By Gerry Broski, Food Safety Director, Thermo Fisher Scientific and Renzo Boni, Laboratory Manager, Conserve Italia

There are currently over one thousand recognised pesticides utilised in the production of foodstuffs worldwide, with the requirement for pesticide usage growing as consumer demand for food at a low cost and out of season increases. With pesticides such as lindane and carbendazim linked with cancer, fertility problems and hormone…

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Whole room disinfection – potential for environmental pathogen control?

5 November 2010 | By Alicja Malinowska & John Holah, Campden BRI

To meet retailer, customer and consumer expectations, there are increasing demands within the food industry for higher standards of microorganism control in food production environments. Traditional approaches such as cleaning and disinfection regimes have been targeting specific sites within the processing environment to control contamination. Such sites might include food…

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Hygienic design of novel processing equipment

4 November 2010 | By Edyta Margas & John Holah, Campden BRI and Alexander Milanov & Lilia Ahrné, SIK

The hygienic design of food processing equipment is a critical factor in determining the quality and safety of foods produced. It involves the selection of suitable materials of construction, their fabrication into a functional piece of equipment, the ability of constructed equipment to produce food hygienically and the maintenance of…

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Ice fraction assessment by near infrared spectroscopy

26 August 2010 | By Astrid Stevik, Research Scientist, SINTEF

The discussion of the energy crisis for a steadily growing population is often limited to scarce amounts of electric power based on more or less environmentally friendly energy sources. However, lack of food, and in particular fresh food, is also part of the current energy crisis. Fresh food is one…

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The DNA of safer lubricants: product and systems certification

26 August 2010 | By Sarah Krol, General Manager, NSF Internatinal

For decades, manufacturers, retailers and trade organisations have emphasised voluntary compliance of government food safety standards with a strong focus on product safety. Today, global retailers and manufacturers are working to find common ground with schemes that focus on the quality and effectiveness of the underlying management systems involved in…

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FISHing for pathogens: Rapid detection of whole microbial cells in foods

30 June 2010 | By Byron Brehm-Stecher, Assistant Professor, Rapid Microbial Detection and Control Laboratory, Iowa State University

Today’s food production and distribution networks are extremely efficient. We are able to move food from the field to the table rapidly and effectively – on a global scale – under conditions that maximise quality, visual appeal and nutritional content. Unfortunately, toxigenic or infectious microbes may also come along for…

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New applications of PCR in food control

30 June 2010 | By Jeffrey Hoorfar Research Manager & Professor of Food Microbiology, National Food Institute, Technical University of Denmark

PCR testing of pathogens has gained widespread use in quality control laboratories throughout the food industry. Many excellent easy-to-use commercial kits are now available for a wide range of microorganisms. But are there any other potential uses for PCR other than a simple plus/minus response that indicates presence or absence…

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Testing the effectiveness of packaging sterilisation: Truth or faith?

30 June 2010 | By Jan Bruecklmeier, Senior Aseptic Specialist, Nestlé

The effectiveness of packaging sterilisation devices in an aseptic filling system is often tested during start up and validation of the system. Some publications even classify the different aseptic filling systems with their average logarithmic reduction rate (ALR). According to different publications, the testing seems to be quite easy and…

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Mycotoxins in food: An update for 2010

30 June 2010 | By Catherine Entwisle, Leatherhead Food Research

Since biblical times, the toxic response caused by ingestion of mycotoxins, the secondary metabolites of moulds, has had a significant impact on the health and welfare of human and animal populations. Since the early 1960’s, a wealth of knowledge about mycotoxigenic fungi, such as Aspergillus, Penicillium and Fusarium, and their…

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The benchmark in quality for dehydrated food products

30 June 2010 | By Daniel Donhowe, Expert Engineer, Nestlé PTC Marysville

Freeze drying is considered the benchmark in quality for many dehydrated food products. But is it worth the higher cost compared to cheaper air drying technologies such as spray or fluid bed drying? Freeze drying is a process that usually provides several benefits over competing technologies, such as improved flavour…

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-2°C to -12°C, not chilled but not frozen

1 June 2010 | By Christian James, Research Fellow, Food Refrigeration and Process Engineering Research Centre (FRPERC) and Stephen J. James, Director, Food Refrigeration and Process Engineering Research Centre (FRPERC)

The drive to maximise the storage and display lives of perishable foods has led to increasing interest in holding foods in the region between their freezing point and -12°C. This is a grey area in terms of much international legislation, since food is not usually considered fully ‘frozen' until it…

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Safety assessment of industrial strains, starters and probiotics

12 May 2010 | By François Bourdichon, Food Safety Centre, Danone Corporate

Probiotics are used to bring health benefits to consumers through foods and are defined as "live micro-organisms which, when administered in adequate amounts, confer a health benefit on the host[Ref 18]." Commercialised all around the world since the early 1920's, mostly focused on Bifidobacterium and Lactobacillus genera, in the last…