Canned tuna is good and bad

In Japan, tuna is one of the most popular fish. And the tastes of the Japanese, great connoisseurs of seafood, you can be trusted. True, they use this product in fresh form, and in stores you can often see canned food from it. And not everyone knows what is the benefit and harm of canned tuna.

Ingredients and calorie content of canned tuna

If the technology of canning is observed, then the fish retains most of the nutrients. First of all, these are valuable fatty acids omega-3 , as well as selenium, which is rarely found in other foods in such a significant amount. The composition of the tuna fillet contains vitamins E and D, vitamins B, a rare vitamin K, and trace elements: phosphorus, magnesium, potassium and iodine.

In addition, the benefits and disadvantages of canned tuna are determined by the composition of the product. If it only includes marinade with spices and salt, then the energy value will be about 96 kcal / 100 grams. If oil is present, the calorific value increases to 197 kcal / 100 grams. In the first case, the product will be uniquely dietary, in the second - not very.

The Benefits of Canned Tuna

On the question of whether canned tuna is useful, nutritionists give a positive answer. However, they advise to stop their choice on canned food in their own juice. Especially it concerns those who have problems with excess weight, high cholesterol. And natural canned tuna can quite compare with fresh product, if it does not contain artificial additives and is made of quality raw materials.

These canned fish, thanks to the content of phosphorus and fatty acids, can improve brain activity. Potassium in their composition helps to support the work of the heart, optimizes the condition of the vessels. Regular use of canned tuna strengthens immunity, normalizes blood pressure, has a beneficial effect on vision. In addition, it is a good tool for the prevention of cancer.

Is canned tuna harmful?

Contraindications to the product are also available. First, tuna is able to accumulate mercury - a very dangerous substance. Therefore, eating it in large quantities is not recommended. A pregnant, nursing mothers are better at all to exclude such canned foods from the diet. To small children they too will not bring advantage. In addition, like any canned product, tuna from a can is contraindicated for people with kidney and bladder diseases. And it can cause allergies.