NUTRITIONAL VALUE AND HEALTH BENEFITS OF A TUNA FISH

                           NUTRITIONAL VALUE OF A TUNA FISH
Tuna fish (Thunnus obesus), is an important food fish and recreational game fish. It is a true tuna of the genus Thunnus, belonging to the wider mackerel family (scombridae­). Thunnini comprises of fifteen species across five genera. Tuna, Opah, mackerel shirks are the only species of fish that can maintain their body temperature higher than that of the surrounding water. 
Tuna is among the fastest swimming fish, the yellow fin tuna is capable of speed of up to 75km per hour. The fresh or frozen flesh of tuna is widely regarded as a delicacy in most area where it is shipped. Tuna is source of omega-3 fatty acids. It can contain up to 300 milligrams per serving, the level of omega-3 oils found in some canned tuna fish is highly variable since some common manufacturing methods destroy much of the omega-3 oil in the fish.
 
Tuna Fish


Tuna is an excellent source of selenium, vitamin B3, vitamin B6, and high level of protein. Proteins are the building blocks of human body that guarantee growth, faster recovery from wounds and illness.  Tuna fish protein improved muscle tone and overall metabolic efficiency. It is a very good source phosphorus as well as a good source of vitamin B1 (thiamine), Vitamin B2 (riboflavin), choline, vitamin, and the minerals potassium, iodine and magnesium.

Tuna fish exhibit the following nutritional values and health benefits;
Increased energy: Tuna fish is a noticeable boost in energy levels. The presence of B vitamins improve metabolism rates and organ functionality combined with regular exercise, eating tuna is a great way to keep individual active.

Weight loss: weight is a major issue faced by majority of people these days, we all like eating tasty food but also want to maintain a slim figure, Tuna fish provides us good taste while balancing our calories since its low in fat content and rich in protein and other important nutrients.

Healthier heart: Tuna fish has high level of omega-3 fatty acids, which help reduce omega-6 fatty acids and bad cholesterol in the arteries and blood vessels. It enables the heart to perform its functions more efficiently. An increased intake of Tuna fish may lower the risks associated with heart failure. It often replaces foods with high saturated fat content, further lowering the risk of heart diseases.

Disease prevention: in addition to the aforementioned heart benefit, tuna help lower the risk of stroke, eye disease, cancer, cognitive decline and inflammatory diseases like arthritis and gout.

Eye care: Tuna fish is a great option for preventing eye disorders like age related macular degeneration. This disease is the major reason behind the occurrence of blindness in the elderly people.

Our diet play a major role not just in health but in brain function and prevention of common cognitive disorders. Eating tuna fish help to improve cognitive function, including memory, decision-making ability, mental response time and mood. Tuna fish contain anti-oxidants which serve as one of the body’s defense mechanism against free radicals, the harmful by-product of cellular metabolism that cause cancer and other chronic diseases, and other nutrients that protect the brain. 

They also provide essential fatty acids that stimulate and strengthen brain cells. In Japanese universities, they encourage their student to eat more of tuna eye for the purpose of strengthen their brain cells and improve their decision-making ability. Tuna eye ball is one of the strangest dishes, tuna eye ball consisting of fish fat and severed muscle. This dishes is common in japan and china.

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