Aluminium sulfate, which is derived from aluminium, is used as a coagulant during the purification process of drinking water. This means that minimal exposure to aluminium is not a problem: the World Health Organisation has established a safe daily intake of 40mg per kilogram of body weight per day. these include iron sodium potassium magnesium manganese copper. This article was originally published on The Conversation. Aluminium doesn't just appear in foil: it is the most popular cookware material used by people in developing countries. So for a person who weighs 60kg the allowable intake would be 2400 mg. Malone’s golden rule for packing leftovers is to always seal them in shallow, air-tight containers to speed up the cooling process and keep bacteria off of your food. This puts a premium on wrapping materials such as aluminum foil, which are flexible and can be pressed directly to the food's surface. An idea that actually works and is used by many is wrapping the food in aluminum foil while cooking. Aluminium is present in corn, yellow cheese, salt, herbs, spices and tea. The Conversation Africa is a news and analysis website which is a collaboration between academics and journalists. She received her Master’s Degree from CUNY Graduate School of Journalism in 2015. When a hot meal is left out at room temperature for more than two hours, the bacteria grow rapidly, according to the Washington State Department of Health. Aluminum foil isn’t safe to wrap food. Aluminum foil, heavy freezer-weight plastic bags, heavy plastic wrap and parchment or freezer paper are excellent choices. It's used in cooking utensils, as described above, as well as in pharmacological agents like antacids and antiperspirants. This double layering is a trick used to lock in moisture and help prevent the plastic from melting (the plastic creates steam, while the foil shields the plastic). High Temperatures Affect Aluminum Being Absorbed Into Food Researchers have found that cooking in aluminum foil is not safe because the food comes into direct contact with the metal. Aluminium poses other health risks, too. But while cooking your food in aluminium pots or pans isn't a bad thing, placing it in foil and putting it in the oven is problematic. According to the Reynold's Wrap website, "when aluminum foil comes in contact with a different metal or a food that is highly salted or acidic, small pinholes are formed in the foil. “When air is present, that allows the bacteria to grow faster, so you really want to get the right containers and pack things appropriately,” says Lindsay Malone, a registered dietitian at the Cleveland Clinic. Tap here to turn on desktop notifications to get the news sent straight to you. Ashley is an Assistant Editor at Reader’s Digest. There are no major risks to this method, if used properly. Much like we need air to breathe, bacteria need air to thrive. Food grade plastic wrap can be used as a sealant for baked dishes, often covered by a layer of foil. Dairy and meat products are especially prone to bacteria growth, which reiterates just how important it is to use air-tight containers for any and all leftovers. Leaching levels climb even more when spice is added to food that's cooked in aluminium foil. These conditions may include high levels of aluminium in daily life. After a few days in foil, the acids in lasagna, for example, interact with the aluminum and erode the foil, says McGee. Anything acidic sparks a particularly aggressive process that dissolves layers of aluminium into food. Pots and other cookware tend to be oxidised, providing an inert layer that prevents the aluminium from leaching into food. Since the majority of aluminum intake comes from food, it’s important to be cautious with how you prepare and store food using, aluminum foil (if at all.) Yes. Read the original article. Pots and pans are lined with it and it is found in some kitchen utensils like large serving spoons. If you're baking fish, roasting vegetables or preparing a piece of meat for dinner tonight, chances are that you'll wrap your food in aluminium foil. Before joining Reader’s Digest, she was a Jason Sheftell Fellow at the New York Daily News and interned at Seventeen and FOX News. Scientists have examined the community of old people with Alzheimer's and concluded that it is a modern disease that's developed from altered living conditions associated with society's industrialisation. So to know more about the topic, keep reading this article until you reach the bottom line. This research suggests that aluminium foil should not be used for cooking. All rights reserved. Non-food grade aluminum is your aluminum foil, disposable baking trays, and foil packets. 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