8 important points about canned foods and how to consume them

Sure, we all love homemade food, but sometimes we don't have enough time to cook. When you are too busy to go to the store to buy fresh produce or cook beans and vegetables, canned foods come to your rescue. There is a different Some believe that these types of foods are less nutritious than fresh or frozen foods, contain harmful substances and should be avoided, but another group of people believe that canned foods can be part of a healthy diet. /p>

BingMag.com 8 important points about canned foods and how to consume them

Sure, we all love homemade food, but sometimes we don't have enough time to cook. When you are too busy to go to the store to buy fresh produce or cook beans and vegetables, canned foods come to your rescue. There is a different Some believe that these types of foods are less nutritious than fresh or frozen foods, contain harmful substances and should be avoided, but another group of people believe that canned foods can be part of a healthy diet. /p>

According to the fact that these days many people have turned to ready and semi-ready foods due to lifestyle changes, today's BingMag article examines the benefits and harms of canned foods as well as how to buy, consume and store them. We have assigned Stay with us until the end of this article.

1. How was canned food invented?

At the end of the 18th century, Napoleon Bonaparte, who was concerned about the food of his soldiers, offered 12,000 French francs as a reward to anyone who could find a way to prevent the food from spoiling. He proposed to find food and finally presented this award to chef Nicholas Appert, who invented the process of packaging meat and chicken in glass bottles. Appert, without knowing how bacteria grow, After boiling the food in glass containers, he closed the lid with a cotton stick and thus prevented food spoilage. Later, Louis Pasteur, a great French scientist, was able to prove the effect of temperature on microorganisms. Also, due to the fragility of glass containers, they were gradually replaced by metal containers, which led to a huge transformation in the food industry.

2. How are canned foods produced?

BingMag.com 8 important points about canned foods and how to consume them

The canning process may vary slightly depending on the product, but in All the methods have three main steps which are:

  • Food processing: Foods are peeled, chopped, cored or cooked depending on their needs.
  • Sealing: Processed foods are packaged in cans.
  • Heating: Cans are used to kill harmful bacteria and prevent

Canning foods increases their shelf life for one to five years or even longer. But after opening the container, bacteria can enter the food and start growing. For this reason, the leftovers of canned food should be kept in clean containers and in the refrigerator.

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3. How does canning affect nutrients?

Canned foods are often thought to have fewer nutrients than fresh or frozen foods, but research has shown that this is not always true. In fact, canning preserves most of the food's nutrients. Protein, carbohydrate and fat are not affected by this process. Most of the minerals and fat-soluble vitamins (vitamins A, D, E, and K) also remain intact.

However, because canning is usually done at high heat, the water-soluble vitamins (Vitamins C and B) may be damaged. Generally, these vitamins are sensitive to heat and air. Hence, common home cooking and storage methods can also reduce them.

Although the canning process damages some vitamins, it may increase the amounts of other healthy compounds. For example, tomatoes and corn release more antioxidants when heated, which makes canned varieties of these foods a better source of antioxidants.

4. What are the benefits of canned food?

Today, you can prepare all kinds of food such as fruits, vegetables, legumes, seafood, etc. in canned form. Canned foods are a good option for those who do not have enough time to cook or live in areas where healthy, safe and high-quality foods are not available. It guarantees food for at least one to five years, which is a bonus for people who often throw away fresh produce due to spoilage.

5. What are the disadvantages of canned foods?

BingMag.com 8 important points about canned foods and how to consume them

Despite the above benefits, excessive consumption of canned products also has disadvantages and disadvantages. These include the following:

May contain small amounts of bisphenol A (BPA)

BPA is a chemical often used in food packaging, including cans. Studies have shown that BPA can be transferred from the can lining to the food in it. In one study, researchers of 78 foods examined canned food and found BPA in more than 90 percent of them.

Furthermore, evidence suggests that eating canned foods is one of the main causes of BPA exposure. In one study, urinary BPA levels increased more than 1,000 percent in participants who consumed one serving of canned soup daily for five days.

Although there is conflicting evidence about BPA's health effects, some Some studies have linked this substance with problems such as heart disease, type 2 diabetes and sexual dysfunction in men. If you want to minimize your exposure to BPA, it's best to avoid overconsumption of canned foods.

They may contain deadly bacteria

Although this is very rare, it is possible. Improperly processed canned foods contain dangerous bacteria called Clostridium botulinum. Eating food contaminated with this bacteria can cause botulism, a serious illness that can lead to paralysis and death if left untreated. have not been Botulism from commercial canning is rare. However, it is important to never use bulging, dented, cracked, or leaking cans, and to boil canned foods in water before use.

Some have added salt, sugar, or preservatives. Can

Some canned foods may be high in salt. Although this does not pose a health risk to most people, it is likely to be problematic for patients with high blood pressure.

Canned foods may also contain added sugar, which research has shown increases the risk of heart disease. It is linked to many diseases including obesity, heart disease and type 2 diabetes. In addition, natural or chemical preservatives are added to some canned foods.

6. What points should we pay attention to when buying canned food?

BingMag.com 8 important points about canned foods and how to consume them

Although using canned food products is convenient, But to buy them, you should be smart and consider the following factors:

Salt content

Usually, salt water is used for canning, but other liquids can also be used for this. work used Look for products that say "no added salt" on the label. Compare different brands and choose a product that has less sodium. Ideally, the amount of sodium per 100 grams of food should be less than 120 mg. Canned vegetables and legumes can be rinsed under cold water before consumption to reduce sodium content.

Sugar content

Some canned products contain added sugar, usually zinc. The product label refers to its existence with names such as syrup, molasses and honey. To make a healthier choice, go for products that have the words "no added sugar" on the label or are made with fruit juice instead of syrup.

Presence of additives

Many canned foods contain no additives at all, but the only way to be sure of this is to read the label on the product package. Cans or labels of canned foods have been inserted, pay attention and avoid buying the product if they are damaged. Check the product. Avoid buying cans that have dents, bulges, cracks, or leaks, as damage to the can and resulting air in can create an ideal environment for the growth of Clostridium botulinum.

Rust cans are another matter. You should pay attention to it. Surface rust on the outside of the can that can be removed by hand or a paper towel is not serious. But severely rusted cans can have tiny holes in them that allow bacteria to enter. If you notice rust on the inside of the can after opening it, do not consume the contents.

Also, avoid buying a can that is dusty or has a torn label. These signs may mean that the product is old and a long time has passed since its production. What is the healthiest way to consume canned food?

BingMag.com 8 important points about canned foods and how to consume them

Using canned food products requires following the important points that follow. We refer to them.

Before opening the can

After you have purchased the right product, wash the can and use a clean can opener to open it. . Be sure to wash the can opener every time you use it.

Practice hygiene as if you were handling fresh food. Keep all food preparation surfaces and equipment clean and wash your hands with water before preparing food Wash warm with soap.

Before use, boil the can in water for at least 20 minutes to destroy if the toxin is produced by Clostridium botulinum bacteria. Never put the canned food directly on the gas flame, because direct heat causes metal particles to enter the food.

After opening the canned food

It is quite normal that some cans Produce a hissing sound when opening. However, if the sound of opening the can is loud or the contents come out with pressure, it is better not to taste or consume it.

If the smell or color of the contents of the can is unusual or you notice that is inside a rusty metal can, throw away the food inside it. Do not use this food and do not taste it.

8. How to store canned food?

Although canned food does not change suddenly, the container and the quality of the food inside may change over time. Because the contents of the can gradually enter into chemical interactions with each other as well as with the inner wall of the container.

The shelf life of canned food depends on various factors, including storage conditions and the nature of the food. As a general rule, canned goods last longer when stored in a cool, dry place. Avoid storing canned food in direct sunlight, near the stove, under the sink or in wet places and always use the contents of the cans that are closest to their expiration date.

Know its expiration date, read the label on the can carefully. If special storage conditions are required for health or safety reasons, it will be indicated on the can label.

Canned foods often spoil quickly after opening. You should treat these types of food like fresh food and avoid storing them for a long time after opening the can. After you open the lid of the can, pour its contents into a clean glass or plastic container, close the lid of the container and store it in the refrigerator. It is best to consume canned foods within one to three days after opening.

Final Word

When you do not have access to fresh foods or want to eat a meal quickly, you can turn to Go canned goods. Canned foods can be part of a healthy diet if consumed in moderation. The only important thing is to check the expiration date of the product, the amount of salt and sugar added to it, and the health of the can, and boil it in water before consumption. Avoid using canned food that has an unusual smell or appearance, and after opening the remaining canned food, keep it in the refrigerator.

This article is for informational purposes only. Be sure to consult an expert before using the recommendations in this article. For more information, read BingMag Disclaimer.

Sources: eatright, healthline, nomoneyotime, foodstandards, fsis.usda

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