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Is It Safe to Use Aluminum Foil in Cooking?
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Is It Safe to Use Aluminum Foil in Cooking?


    Is It Safe to Use Aluminum Foil in Cooking?


   
       
            Aluminum strip and foil products are common

household products that’s often used in cooking.
       
       
            Some claim that using aluminum foil in cooking can cause aluminum to seep into your food and put your health at

risk.
       
       
            However, others say it’s entirely safe to use.
       
       
            This article explores the risks associated with using aluminum foil and determines whether or not it is

acceptable for everyday use.
       
   


   
       
            What Is Aluminum Foil?
       
   
   
       
            Aluminum foil, or tin foil, is a paper-thin, shiny sheet of aluminum metal. It’s made by rolling large slabs of

aluminum until they are less than 0.2 mm thick.
       
       
            It’s used industrially for a variety of purposes, including packing, insulation and transportation. It’s also

widely available in grocery stores for household use.
       
       
            At home, people use aluminum foil for food storage, to cover baking surfaces and to wrap foods, such as meats, to

prevent them from losing moisture while cooking.
       
       
            People may also use aluminum foil to wrap and protect more delicate foods, like vegetables, when grilling them.
       
       
            Lastly, it can be used to line grill trays to keep things tidy and for scrubbing pans or grill grates to remove

stubborn stains and residue.
       
   


   
        There Are Small Amounts of Aluminum in Food
   


   
        Aluminum is one of the most abundant metals on earth.
   
   
        In its natural state, it is bound to other elements like phosphate and sulfate in soil, rocks and clay.
   
   
        However, it’s also found in small amounts in the air, water and in your food.
   
   
        In fact, it’s naturally occurring in most foods, including fruits, vegetables, meats, fish, grains and dairy

products.
   
   
        Some foods, such as tea leaves, mushrooms, spinach and radishes, are also more likely to absorb and accumulate

aluminum than other foods.
   
   
        Additionally, some of the aluminum you eat comes from processed food additives, such as preservatives, coloring

agents, anti-caking agents and thickeners.
   
   
        Note that commercially produced foods containing food additives may contain more aluminum than home-cooked foods.
   
   
        The actual amount of aluminum present in the food you eat depends largely on the following factors:
   
   
       
           
                Absorption: How readily a food absorbs and holds on to aluminum
           
       
       
           
                Soil: The aluminum content of the soil the food was grown in
           
       
       
           
                Packaging: If the food has been packaged and stored in aluminum packaging
           
       
       
           
                Additives: Whether the food has had certain additives added during processing
           
       
   
   
        Aluminum is also ingested through medications that have a high aluminum content, like antacids.
   
   
        Regardless, the aluminum content of food and medication isn’t considered to be a problem, as only a tiny amount of

the aluminum you ingest is actually absorbed.
   
   
        The rest is passed in your feces. Furthermore, in healthy people, absorbed aluminum is later excreted in your urine.
   
   
        Generally, the small amount of aluminum you ingest daily is considered safe.
   


   
        Cooking With Aluminum Foil May Increase the Aluminum Content of Foods
   


   
        Most of your aluminum intake comes from food.
   
   
        However, studies show that

single zero aluminum foil
, cooking utensils and containers can leach aluminum into your food.
   
   
        This means that cooking with aluminum foil may increase the aluminum content of your diet. The amount of aluminum

that passes into your food when cooking with aluminum foil is affected by a number of things, such as:
   
   
       
           
                Temperature: Cooking at higher temperatures
           
       
       
           
                Foods: Cooking with acidic foods, such as tomatoes, cabbage and rhubarb
           
       
       
           
                Certain ingredients: Using salts and spices in your cooking
           
       
   
   
        However, the amount that permeates your food when cooking can vary.
   
   
        For example, one study found that cooking red meat in double zero aluminum foil could increase its aluminum content by between 89% and

378%.
   
   
        Such studies have caused concern that the regular use of aluminum foil in cooking could be harmful to your health.

However, there is currently no strong evidence linking the use of aluminum foil with an increased risk of disease.
   


   
        Potential Health Risks of Too Much Aluminum
   


   
        The day-to-day exposure to aluminum that you have through your food and cooking is considered safe.
   
   
        This is because healthy people can efficiently excrete the small amounts of aluminum the body absorbs.
   
   
        Nevertheless, dietary aluminum has been suggested as a potential factor in the development of Alzheimer’s disease.
   
   
        Alzheimer’s disease is a neurological condition caused by a loss of brain cells. People with the condition

experience memory loss and a reduction in brain function.
   
   
        The cause of Alzheimer’s is unknown, but it is thought to be due to a combination of genetic and environmental

factors, which can damage the brain over time.
   
   
        High levels of aluminum have been found in the brains of people with Alzheimer’s.
   
   
        However, as there is no link between people with a high intake of aluminum due to medications, such as antacids, and

Alzheimer’s, it’s unclear if dietary aluminum is truly a cause of the disease.
   
   
        It is possible that exposure to very high levels of dietary aluminum may contribute to the development of brain

diseases like Alzheimer’s.
   
   
        But the exact role aluminum plays in the development and progression of Alzheimer’s, if any, is yet to be

determined.
   
   
        In addition to its potential role in brain disease, a handful of studies have suggested that dietary aluminum could

be an environmental risk factor for inflammatory bowel disease (IBD).
   
   
        Despite some test-tube and animal studies that allude to correlation, no studies have yet found a definitive link

between aluminum intake and IBD.
   


   
        How to Minimize Your Exposure to Aluminum When Cooking
   


   
        It’s impossible to completely remove aluminum from your diet, but you can work to minimize it.
   
   
        The World Health Organization (WHO) and Food and Drug Administration (FDA) have agreed that levels below 2 mg per 2.2

pounds (1 kg) body weight per week are unlikely to cause health problems.
   
   
        The European Food Safety Authority uses a more conservative estimate of 1 mg per 2.2 pounds (1 kg) body weight per

week.
   
   
        However, it’s assumed that most people consume much less than this Here are some steps you can take to minimize

unnecessary exposure to aluminum when cooking:
   
   
       
           
                Avoid high-heat cooking: Cook your foods at lower temperatures when possible.
           
       
       
           
                Use less aluminum foil: Reduce your use of aluminum foil for cooking, especially if cooking with acidic

foods, like tomatoes or lemons.
           
       
       
           
                Use non-aluminum utensils: Use non-aluminum utensils to cook your food, such as glass or porcelain dishes and

utensils.
           
       
       
           
                Avoid mixing aluminum foil and acidic foods: Avoid exposing aluminum foil or cookware to acidic food, such as

tomato sauce or rhubarb.
           
       
   
   
        Additionally, as commercially processed foods can be packaged in aluminum or contain food additives that contain it,

they may have higher levels of aluminum than their homemade equivalents.
   
   
        Thus, eating mostly home-cooked foods and reducing your intake of commercially processed foods may help to reduce

your aluminum intake.
   


   
        Should You Stop Using Aluminum Foil?
   


   
        Container aluminum foil

isn’t considered dangerous, but it can increase the aluminum content of your diet by a small amount.
   
   
        If you are concerned about the amount of aluminum in your diet, you may want to stop cooking with aluminum foil.
   
   
        However, the amount of aluminum that foil contributes to your diet is likely insignificant.
   
   
        As you are probably eating far below the amount of aluminum that is considered safe, removing aluminum foil from your

cooking shouldn’t be necessary. Aluminum strip

casting is a key contributor to weight saving possibilities, particularly in the automotive industry and although

strip casting has been established for over 50 years, it continues to increase in popularity.Casting speeds can be limited by

several factors including the type of alloy being cast and the desired sheet thickness required
   


   
        In the automotive industry, decreasing weight is one of the most important challenges which needs to be solved and

using aluminum alloys instead of the more traditional steels enables a great opportunity to decrease weight substantially of

the overall vehicle.
   
   
        However, sheets of aluminum alloy used for automobile body work are very expensive. Therefore, in order to make use

of aluminum alloys cost effective it is necessary to develop a low cost aluminum alloy sheet which can handle the intended

application requirements.
   
   
        The development of continuous casters for aluminum products has been well

documented over the past 50 years. Processes are classified according to the thickness that can be produced using either thin

slab or strip casting. Thin slab and thin strip casting bypasses the semi-finished product stage, reducing reheating and

eliminating a number of rolling steps, thus providing for considerable energy savings and significant improvements in

productivity.


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