True or false? Dismantling the myths of tuna

There are many myths surrounding fresh and canned tuna, but do we know which of them are true and which are false?

  • The mercury in it is dangerous to health.

True, but minimally. As a consequence of the oceanic spills of the great metallurgical industries, more and more fish accumulate mercury in their organisms, especially the larger ones. However, this amount poses no risk to the health of consumers. In Moalia, we favour fishing in unpolluted oceans in order to control the quality and toxicity of our products. According to the Food Codex proposed by the Food and Agriculture Organization of the United Nations (FAO), in conjunction with the World Health Organization (WHO), the fish we consume contains minimal levels of mercury and therefore does not have serious consequences for humans.

  • Tuna is harmful to pregnant women

False. In fact, oily fish is essential in the diet of pregnant women, both for its protein content and for its high levels of Omega 3 and vitamins B, D, iodine and selenium.

Omega 3 is essential in the development of the baby's brain, and studies by the Neonatal Nutrition Program at Baylor College of Medicine have concluded that a deficit of this fatty acid can cause growth problems and attention deficit in the future newborn. Tuna also helps protect the mother's health during gestation by reducing the risk of postpartum depression on the one hand, and by reducing the likelihood of premature birth or pre-eclampsia on the other.

However, especially during the third trimester, it is advisable to reduce the intake of bluefin tuna and other large fish such as swordfish, favouring smaller specimens such as albacore. It is necessary to cook it well before consuming it in order to avoid the risk of contracting toxoplasmosis and other diseases transmitted by undercooked foods.

  • Canned tuna is healthier than fresh tuna

False. Although it is true that both types of tuna provide a lot of protein and Omega 3 fatty acids, canned tuna contains more preservatives and is generally subjected to many more chemical processes, such as sterilization, to achieve consistency and to alleviate its deterioration. In addition, it is common for canned tuna to be contaminated with lead in steel or aluminum containers, although its content is very low and harmless to health.

Sashimi tuna chunk

All this makes tuna an indispensable part of our diets. In Moalia we always privilege the first quality fresh tuna exported from Sri Lanka or the Maldives, to ensure their good condition and their food properties so that our customers have the guarantee of superiority that only our brand can offer.

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