Acrylamide reduction in the spotlight14 Aug 2018
New EU regulation on acrylamide levels in food came into force in April 2018, spurring companies to step up their reduction efforts. What are the latest solutions?
Acrylamide is a probable carcinogen that forms during high temperature cooking and processing, such as baking, frying and roasting, particularly in starchy foods like crisps, French fries, cereals and baked goods. It occurs when sugars react with the amino acid asparagine, giving foods their browned colour and flavour. Its formation can’t be avoided, but it can be reduced, meaning that acrylamide levels have been monitored and debated for years.
The latest EU regulation sets benchmark levels for acrylamide by food category, ranging from 40μg per kg in baby foods to 4,000μg per kg in chicory used as a coffee substitute. The benchmarks are set to be reviewed by the European Commission every three years, with the goal of gradually setting lower levels.
For food companies, acrylamide is not a new challenge, but despite widespread availability of cost-effective approaches to reduce its presence, many had failed to take action. After several years of monitoring acrylamide levels in foods, the European Food Safety Authority found no considerable change, with levels in some food categories actually rising over time.
EU regulation on acrylamide is therefore expected to motivate companies to take a fresh look at the issue, especially as they will be expected to keep their products within gradually lower limits.
Since the EU regulation came into force, ingredients companies have continued to innovate in this space in anticipation of upcoming demand. DSM has extended its range of asparaginase enzyme solutions for use in high pH applications, such as biscuits, crackers, tortillas and corn chips. It says other asparaginase solutions are often less effective in more alkaline products, creating a challenge for manufacturers. The company claims its latest enzymatic solution can reduce acrylamide by up to 95%.
Meanwhile, Frutarom has released customised blends of rosemary oil and water soluble extracts for use in frying oil. The company says they can reduce acrylamide in fried potatoes by up to 90%, and in other snacks by up to 60%.
However, there is a wide range of solutions already available to manufacturers. Novozymes was one of the first movers in the sector back in 2007, when it released an asparaginase enzyme that can reduce acrylamide by up to 90% in finished products. Other companies active in acrylamide reduction include Orkla Food Ingredients with its acrylamide-reducing yeast, and Maxfry with its ingredients to improve heat transfer from frying oils.
Beyond added ingredients and enzymes, companies can also consider switching out sugars high in fructose, reducing processing time and temperature, and even changes in the selection of raw materials.
Whichever approach manufacturers choose, there is now a clear expectation to keep a much closer eye on acrylamide. By doing so, companies protect themselves from sanctions – and protect their customers from potential harm.
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