Find out where toxic acrylamide is lurking in your food: Check out the ANH acrylamide database
By Rob Verkerk PhD, founder and executive director
We reported about a month ago that the UK government’s Chief Scientific Advisor, Professor Guy Poppy, had published a new update on acrylamide, the chemical that forms when certain, often starchy foods are baked, fried or heated to very high temperatures. Professor Poppy definitely shows his concern about these compounds that you won’t find anywhere on the ingredients label, because they are formed during the manufacture or cooking of the food. They are classified by the International Agency for Research on Cancer (IARC) as “probable human carcinogens” i.e. class 2a. In animal studies, acrylamide has been shown to cause tumours in adrenal glands, thyroid, lungs and testes.
How much acrylamide is there in your cooking?
There’s good reason to be concerned about acrylamide and, as with most carcinogens, it’s your chronic exposure and the amounts to which you are exposed that count most. It’s therefore imperative, if we want to reduce our risk of regular exposure to potential human carcinogens like acrylamide, that we know at least where the highest levels of acrylamide will be found.
A person who gets up in the morning to a bowl of breakfast cereal, a slice of toast and washes it down with a coffee is in fact going to be starting their day with a hefty load of acrylamide. That’s if you rely on data from the USA Food and Drugs Administration (FDA), the European Food Safety Authority (EFSA) and the UK’s Food Standards Agency (FSA) who have analysed, between 2002 and 2009, a wide range of food products.
What we’ve done is pooled these available data from the USA, EU and UK to create a single database of some 816 food products. We’ve collated the information into a single spreadsheet database that you can download as an Excel File or PDF.
Some of the highest levels can be found in the following food types:
Cereal-based baby foods
What’s most disturbing, is that these are among the foods most commonly consumed by children, and once these dietary patterns are set up, they are often continued into adulthood.
The maximum, and sometimes even mean, levels found in commercially produced foods are not infrequently several times greater than the ‘EU indicative level’, which acts as a benchmark for what might be viewed as a manageable level, but shouldn’t necessarily be interpreted as a safe level.
For anyone who frequently consumes baked or fried foods, especially manufactured ones, we strongly recommend you consult our database. Your health and cancer risk is related to a wide variety of factors, especially your gene expression, which in turn relates to how your environment, especially your diet, interacts with your particular genetic suite of cards. Essentially, that’s all about epigenetics and it’s a situation over which you have a large amount of control.
Think starchy carbs and high cooking temperatures and you’re in the domain of acrylamide.
That’s not all
Let’s not forget what other processes go on when you cook at high temperatures. Here are some extra things to look out for:
Formation of dietary Advanced Glycation End (AGE) products (cross-linked proteins), where carbohydrates (sugars) bind directly with proteins without the involvement of enzymes, making them stiffer and less pliable. They are formed through the Maillard reaction and are formed particularly during dry cooking e.g. BBQing, roasting, grilling, frying. AGE products contribute to degenerative diseases, type 2 diabetes and related vascular injury, and obesity. They also (with the hint of a pun!) contribute to premature ageing
Heat-damaged fats. Many fats like olive oil have low smoke points and are damaged when used for frying or other high temperature cooking methods. High temperatures may result in the formation of acrolein, which gives heat-damaged oils a characteristic bitter taste
Cross-linking of sugars e.g. caramelisation, is also caused by the Maillard reaction. This reaction results in the formation of new compounds such as 5-sulphoxymethylfurfural (5-HMF) the health effects of which are yet to be fully understood.
Destruction of nutrient and enzymes through excess heat from high temperature cooking, or high speed blending or centrifugal juicing. While there are some nutrients such as lycopene and beta-carotene, absorption of which is enhanced by cooking, others are broken down more rapidly as compared with their raw equivalents, such as glucosinolates in cruciferous veg (e.g. broccoli, kale, watercress), and allicin in garlic.
Check out our acrylamide database and minimize the frequency and amount of acrylamide-rich foods you (and any children in your care) consume
Reduce the amount of heat you use to cook where there is a risk of forming harmful AGE or other glycation products. Be aware of the minimum cooking temperatures and durations especially of meats required to kill food-born pathogens, such as maintaining the core temperatures of between 60-70oC of your food for 2-45 minutes (check with food/meat thermometer)
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