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Issue 3 2009
10 September 2009
The European chocolate manufacturing market, comprising over 2,000 companies and employing more than 200,000 people, has an annual turnover of approximately EUR 43 billion and exports chocolate for a value of more than three billion Euros. Specific for the European market is the large proportion (over 90 per cent) of small and medium sized enterprises (SMEs) which compete against multinationals by producing exclusive and niche oriented products like filled chocolates.
10 September 2009
Talking to ordinary consumers about ethical issues is in Cadbury's DNA. Two hundred years ago, the Cadbury family set out to market hot chocolate as an alternative to alcohol, priced within the reach of the ‘common man' and with a guarantee of purity in an age when adulteration with brick dust and other bulking agents was commonplace. That desire for ‘mass' appeal is still at the heart of our CSR agenda, and sits behind our approach to Fairtrade communications. In becoming the first mainstream confectionery brand to go Fairtrade with a product, we're not aiming at traditional Fairtrade consumers. Quite the contrary, we're working with Fairtrade to try to create a tipping point that makes ethics something for everyone. And this is why we think we can help ensure ‘values' don't get overtaken by ‘value' during an economic downturn. But it's not as simple as it looks, and we're learning a lot about how different consumers think along the way.
10 September 2009
Spores from mesophilic aerobic sporeforming bacteria (Bacillus) are sometimes able to survive the thermal process of commercial sterile products and sporadically cause spoilage or food poisoning. Because of an increasing demand for more fresh products, ideally the processing temperatures should be tailored to inactivate the actual spore load rather than applying worst case scenarios. In doing that, unnecessary loss of product quality can be prevented without running the risk that the product will spoil or cause safety issues.
10 September 2009
The food industry uses more and more purified natural and synthetic fragile substances today, and consequently, there is an increased need to protect these ingredients. Functional food ingredients, such as flavours, vitamins or antioxidants, are sensitive to environmental stress during manufacturing, storage and consumption of the food product. Furthermore, loss of bioactivity can occur during digestion in the stomach and intestine. Microencapsulation is a useful tool to preserve the beneficial properties of these food ingredients and to control their release at both the right place and the right time.
10 September 2009
Pierre Shuck and associates discuss spray drying parameters of dairy products. In part one, featured in this issue of New Food, the authors discuss the rationale behind their studies and introduce a new method of spray drying. Part two will feature in our next issue of New Food and reveal the results and conclusions drawn by the authors.
10 September 2009
The ability to test products and processes has always been an essential part of new product development. Until now, food processing companies have had to conduct exhaustive tests to establish the most appropriate formulations to optimise taste and the manufacturing process. But now a new particle analysis process, pioneered by GEA Niro, has the ability to revolutionise the testing of products requiring spray drying to enable greater flexibility during the development stage, bring products to market faster then previously possible and conduct the whole process much less expensively than has been possible to date. The process is called DRYNETICS[TM].
10 September 2009
Refreshing in foods and drinks is a perception strongly related to mouth state after product consumption. Oral dryness and roughness are lingering perceptions negatively related to refreshing perception whereas mouth wetting perception is a positive driver of refreshing perception. Since saliva seems to be related to mouth wetting, we explored if salivary flow and saliva lubricating properties could be potential markers of refreshing perception. To reach our objective, we explored on saliva flow and saliva lubricating properties the impact of a water ice consumption optimised to be perceived more refreshing than a standard water ice. As key results, the optimised water ice induced the highest saliva flow rate and saliva production with the lowest friction coefficient. These results were validated by sensory evaluation, showing that the optimised product delivered after consumption the most intense salivating perception. Our finding seems to validate the positive association between refreshing and oral wetting perceptions.
10 September 2009
The second and concluding part of New Food's interview with Ian Davidson, Exxon Mobil Lubricants & Petroleum Specialities, discusses what the future will bring both for the company and for the industry.
10 September 2009
Hyperspectral imaging combines digital imaging with precise spectral information in each image pixel. It enables composition mapping in food and agricultural raw materials and products based on differences in the spectral signatures of the various chemical ingredients. Advances in hyperspectral cameras and image processing solutions are now making hyperspectral imaging an efficient tool for high throughput laboratory analyses, and even making it possible to apply it on-line in quality assurance and process control applications.
10 September 2009
The brewery by-product Brewers' Spent Grains (BSG) is composed of the insoluble cereal residue that is separated from the mash before fermentation. It is estimated that the annual production of BSG is approximately 30 million tonnes worldwide. BSG consists mainly of the insoluble covering layers of the barley malt, i.e. husk, testa and pericarp, as well as endosperm cell wall fractions and storage protein. The composition of BSG depends on the raw materials of the brewing process: barley variety, harvest year, malting and mashing conditions, as well as the type and quality of other cereals added to the brewing process.
10 September 2009
In most countries with temperate climates, cereal, notably wheat, is the most important arable crop. In a few countries such as the Netherlands, potato dominates. In the European Union, over 50 million hectares of wheat is grown against approximately two million hectares of potato, yielding some 70 million tons of tubers. The majority of the produce is consumed as fresh table potatoes but almost one fifth is processed into starch for industrial and food industry purposes, into frozen products such as french fries and into snacks such as chips (crisps in the UK).
10 September 2009
The presence of foreign bodies (FBs) in processed foods is one of the major concerns of the food industry, and their detection and identification are important in quality assurance and safety. An FB is any undesirable piece of solid matter present in a food product. When foods are manufactured or packaged, small foreign objects might end up in the product. For example, in the process of packaging food in glass bottles, occasionally fragments of glass are a result of shattering and breakage of the bottle top, and they find their way into the glass containers. Contamination can also be the result of metal scarf joints that originate from production equipment.
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