How many calories does a tuna have?
Table of Contents
1. The nutritional value of tuna
Its protein content is high in biological value. The nutritional value per serving is as follows: energy value: 360.4 kcal, protein: 62.8 g, ?? fat: 12.2 g,?? total carbohydrate: 0 g,2. The vitamins found in tuna
B1, B2, B3, B6, B12 and folic acid. In addition, tuna also provides certain amounts of B vitamins, among others. Tuna is a very good source of fat-soluble vitamins such as vitamin A (450 μg/100 g), vitamin D (7, 2 μg (100 g) and vitamin E (1, 2 mg/100 g).3. The source of vitamin D
The problem arises during the autumn-winter period, when the day is short. In addition, for proper synthesis of vitamin D in the skin, cholesterol is necessary, which is also found in tuna meat. Vitamin D is also called sun vitamin. Especially during this time, there are widespread deficiencies of this vitamin, so it is worth reaching out more often to fish such as tuna, which are its good source.4. Tuna is a source of mineral ingredients
It is a rich source of potassium and magnesium. A portion of tuna provides: 953.4 mg of Potassium, 87.5 mg of Magnesium, 26.5mg of Calcium, 2.6 mg of Iron, 1.9 mg of Zinc, 0.4mg of Copper, 530 mg of Phosphorus, 132.5 μg of Iodine, 114 mg of Sodium. Potash is essential for the proper functioning of the nervous system and muscles, including the heart muscle.5. Tuna and heavy metals
All of this contributes to the accumulation of a large amount of methylmercury in its meat. Tuna belongs to the predatory fish that live very long and reach large sizes. The longer the fish lives, the more mercury it contains, so pregnant women and young children should consume a maximum of 100 grams of tuna per week. They live in the most polluted waters.