Title : Canned food: good or bad
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Canned food: good or bad
. some people claim that contain harmful ingredients and should be avoided.
Others say that canned foods can be a part of healthy diet .
This article explains everything you need to know about canned food.
What is canned?
Canning is a method used to preserve food for long periods of time by packing in airtight containers.
Canning was first developed in the 18th century as a way to provide a stable source of food for soldiers and sailors at war.
The canning process may vary slightly from one product to another, but there are three main steps. These include:
- Preparation :. Food is peeled, sliced, chopped, seeded, bone, shell or cooked
- Sealed :. Processed food is sealed in cans
- Heating :. The cans are heated to kill harmful bacteria and are not damaged
This allows the food to be shelf stable and safe to eat for 1 to 5 years or more.
common canned foods include fruits, vegetables, Jewish , soups, meat and seafood.
Conclusion: Canning is a method used to preserve food for long periods of time. There are three main steps :. Processing, sealing and heating
How Canning affect levels of nutrients?
Canned foods often thought to be less nutritious than fresh or frozen foods , but research shows that this is not always true.
Indeed, canned retains most of the nutrients from food.
Protein carbohydrates and fat are not affected by the process. Most minerals and fat-soluble vitamins such as vitamins A, D , are also retained E and K.
Therefore, studies show that foods high in certain nutrients remain high in the same nutrients after being canned ( 1 , 2 ).
However, since the canning typically involves high temperatures, water soluble vitamins, such as damaged vitamin C and vitamin B ( 3 4 5 ).
These vitamins are sensitive to heat and air, in general, so it can also be lost during normal processing, cooking and storage methods used in the home.
However, while the canning process can damage certain vitamins, healthy amounts of other compounds increase ( 6 ).
For example, tomatoes and release of more antioxidants corn when heated, so canned varieties better source of antioxidants ( 7 8 ) .
Changes in the levels of individual nutrients aside, canned foods are a good source of vitamins and minerals.
In one study, people who ate 6 or more items canned per week had a higher intake of 17 essential nutrients than those who ate two or fewer items canned per week ( 9 ).
Conclusion: Some nutrient levels may decrease as a result of the canning process, while others may increase. In general, canned foods can provide nutrients comparable to their fresh or frozen counterparts.
Canned foods are affordable, convenient and not easily damaged
Canned foods are a convenient and practical way to add more foods rich in nutrients to your diet.
The availability of safe and quality food is poor in many parts of the world. Canning helps ensure that people have access to a wide variety of foods throughout the year.
In fact, almost any food can be found in a can of today.
Furthermore, since canned foods can be stored safely for several years and often involve minimal preparation time, are incredibly convenient.
also tend to cost less than fresh produce.
Conclusion :. Canned foods are a convenient and affordable source of essential nutrients
may contain small amounts of BPA
BPA ( Bisphenol-A ) is a chemical that is often used in food packaging, including cans.
Studies show that the BPA in canned foods can migrate tin coating in the food you eat.
One study examined 78 different canned foods and found BPA in more than 90% of them. What's more, research has shown that eating canned food is the main cause of exposure to BPA ( 10 11 ).
In one study, participants who consumed 1 serving of canned soup a day for five days experienced an increase of more than 1,000% of BPA in urine ( 12 ).
Although the evidence is mixed, some studies in humans have linked BPA to health problems such as heart disease, type 2 diabetes and male sexual dysfunction ( 13 14 ).
If you are trying to minimize their exposure to BPA, then eat a lot of canned food is not the best idea.
Conclusion :. Canned foods may contain BPA, a chemical that has been associated with health problems such as heart disease and type 2 diabetes
may contain deadly bacteria
While it is extremely rare, canned foods that were not processed correctly can contain dangerous bacteria known as Clostridium botulinum .
The consumption of contaminated food can cause botulism, a serious disease that can lead to paralysis and death if untreated.
Most cases of botulism come from foods that have not been properly canned at home. Botulism commercially canned foods is rare.
is important not to eat from cans that are bulging, dented, cracked or leaking.
Conclusion :. Canned foods that were not processed properly can contain deadly bacteria, but the risk of contamination is very low
Some have added salt, sugar or preservatives
the salt, sugar and preservatives are sometimes added during the canning process.
Some canned foods can be high in salt . While this does not represent a health risk for most people, it can be problematic for some, such as those with high blood pressure.
They may also contain Sugar , which can have harmful effects added.
Excess sugar has been associated with increased risk of many diseases, including obesity, heart disease and type 2 diabetes ( 15 16 17 , 18 , 19 ).
A variety of other natural preservatives or chemicals may also be added.
Conclusion :. salt, sugar or preservatives are sometimes added to canned foods to improve taste, texture and appearance
How to make the right decisions
Al as with all foods, it is important read the label and the list of ingredients.
If salt intake is a concern for you, choose the "low sodium" or "no salt added" option.
To avoid extra sugar, choose canned in water or juice instead of fruit syrup.
Drain and rinse food may also lower your salt and sugar.
Many canned foods contain no added ingredients at all, but the only way to know for sure is to read the ingredient list.
Conclusion: Not all canned foods are equal. It is important to read the label and list of ingredients.
should eat canned foods?
Canned foods can be a nutritious choice when fresh foods are not available.
They provide essential nutrients and are incredibly convenient.
said, canned foods are also an important source of BPA, which can cause health problems down the line.
Canned foods can be part of a healthy diet, but it is important to read labels and choose accordingly.
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