Translated from Latin, the word " However, at present, this word refers to products that have undergone heat treatment and are stored in sealed packaging, and we will talk about them..

When it comes to healthy eating, canned food is unequivocally classified as unhealthy and is advised to be avoided at all costs.. This unambiguity is rather strange, since food preservation has become a big breakthrough not only in the food industry, but also in other areas of human activity, and its inventor, French chef Nicolas Francois Appert, was awarded the title of " Canned food made life easier for travelers and all those who, by the nature of their work, found themselves unable to prepare or buy themselves sufficiently nutritious food, but most importantly, they pushed back the threat of hunger that had constantly hung over humanity until then.. Why is it now that canned food has acquired such a bad reputation, and how much it is deserved?

Dangers lurking in canned food Canned food can be vegetable, fruit, dairy, meat, fish and mixed. Regardless of the type of canned food, a diet consisting only of them will not be useful, since most of the vitamins contained in the products are lost during prolonged heat treatment, and this applies to all canned food, without exception, including vegetables.. Without vitamins, a person cannot exist for a long time.. This unfortunate fact was discovered shortly after the invention of canned food, and even found its way into fiction: remember, in Jack London's story "

The main danger is associated with canned meat. The fact is that one of the conditions for the preservation of canned foods is an anaerobic environment, that is, the absence of air. However, it is precisely such conditions that are favorable for the active reproduction of the Clostridium botulinum bacterium, which produces a toxin, which is one of the most powerful poisons on Earth.. The bacterium dies as a result of heat treatment, but if the preservation technology is violated, it can survive, and then canned food stuffed with botulinum toxin will pose a serious health hazard, since their consumption can cause severe poisoning and even death.. How to avoid danger? It is necessary to pay attention to the condition of the jar in which canned food is contained.. The causative agent of botulism in the process of life releases gas, so cans with canned food infected with it swell during storage. You should never eat the contents of swollen and deformed cans, which can also be swollen.. There is also no need to take risks when eating home-made canned meat, since they are often made without any specific technology, or in violation of pasteurization rules..

Sadly, everyone’s favorite canned mushrooms are recognized as not very healthy. Mushrooms in the process of growth easily absorb heavy metal salts and other not very useful impurities from the soil, and therefore, given modern ecology, they can be unsafe, even if they are non-poisonous species.. During conservation, such toxic substances from mushrooms are mostly preserved, which can lead a lover of canned mushrooms to a hospital bed, so if you are not sure that the mushrooms were collected in an ecologically clean place, away from highways and industrial facilities, it’s not worth the risk..

When canned food can be useful It is erroneously believed that if foods do not contain vitamins, then they are just an empty set of calories.. It's not quite right. Vitamins, although important, are not the only useful component of food.. The basis of human nutrition are proteins, fats and carbohydrates, which are present in canned food.. There are also minerals, the presence of which in food is no less important for normal metabolism..

In terms of the content of vital calcium, canned fish are second only to sesame seeds and hard cheeses.. Especially useful in this regard are " In order to get the maximum benefit from canned fish, it is necessary to eat them together with the bones, which, as a result of heat treatment under pressure, become completely soft.. Canned fish also retains some of the fatty acids that make fish one of the healthiest foods, and essential minerals such as magnesium, phosphorus, and potassium..

Few people know, but there are substances that, as a result of cooking, increase their beneficial properties.. For example, beta-carotene and lycopene, related to antioxidants - substances that protect the body from cancer and aging. A large amount of these substances is found in carrots, so canned foods containing carrots are already not bad for health.. For the same reason, it is recommended to eat canned tomatoes, pumpkins and other vegetables and fruits of red and orange color..

Fat-soluble vitamins such as A, K, E, D are resistant to heat treatment, so they can be preserved in canned foods, for example, in the same fish.

The correct composition of canned food When buying canned food, you should pay attention to the composition indicated on the package. Ideally, canned food should contain only what can be eaten without harm to health: foods, sugar, salt, spices.. They should not contain any foreign chemicals that are additional preservatives.. Why additional? Because the main preservatives are sugar and salt.. Spices also improve food storage, as many of them contain antibacterial substances.. These include, for example, clove oil found in cloves and allspice.. From this point of view, spices can be attributed to preservatives..

All other additives, especially of artificial, chemical origin, which are introduced into canned food for the purpose of their longer storage, are undesirable..

Firstly, most of them are harmful to health, and secondly, such additives often mask the low quality of canned food, because, made in accordance with the established technology, they are perfectly stored and without impurities..

As evidence, we can cite the oldest canned food found.. They were fried ducks, treated with spices, drenched in red-hot olive oil and stored in earthenware vessels sealed with a special resin.. They were discovered 3000 years after they were made, and according to experts, despite such a venerable age, they were still suitable for human consumption..

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