Tuna is a sea fish that belongs to the mackerel family. Commonly sold canned, it is also available as fresh tuna. Tuna is canned in edible oils, brine, water, and various sauces.
Use of Tuna in Cooking
Unique for its meat ranging from pink to dark red, tuna is a carnivorous fish species. Tuna meat has a flaky texture and a rich flavor with a high oil content. It has a unique taste, texture, and versatility that make it popular worldwide. The fish can be baked, grilled, steamed, fried, or even chopped for a recipe.
Tuna is used as steak, in sandwiches and salads. Tuna can be seared, grilled, smoked, roasted, grilled, fried, or stewed. It is also served raw in the form of sushi or sashimi. It dries out very quickly, so it should be cooked very briefly over high heat. Marinated before cooking or boiled in a sauce. Thanks to its rich protein content and low calorie count, tuna is heavily consumed by athletes, sportspeople, and bodybuilders.
Nutritionalproperties of tuna
Tuna is a popular saltwater fish widely used in Asian cuisines, as well as worldwide. Tuna comes in various species and can be found in all the oceans of the world such as bluefin, yellowfin, bullet tuna, just to name a few. The life span of tuna varies from three to five years, although some are known to have lived more than two decades. They are relatively easy to catch and lend themselves to delicious dishes such as steaks, salads, burgers, and the like. There are eight tuna species, all nomadic, meaning they continue to migrate.
- Tuna has a high content of good fatty acids, vitamin D and is a good source of low-fat protein. Canned tuna may have higher mercury content and should not be consumed by pregnant women.
- Like other fish, tuna is a rich source of omega-3 fatty acids which are extremely good for cardiovascular health.
- The high levels of essential omega-3 fatty acids in tuna help protect against muscular degeneration of the eye and dry eye syndrome.
- It also protects against ovarian, pancreatic, and digestive tract cancers and also reduces the risk of leukemia.
- Tuna is a good source of protein.
- The selenium in tuna acts as a powerful antioxidant.
They are easily found in the temperate and subtropical waters of the Atlantic Ocean, black waters, and the Mediterranean Sea. They are now also listed in the endangered species category as they are constantly hunted throughout the year. The fish is a concentrate of essential nutrients like omega-3 fatty acids, potassium, magnesium, iron, vitamins A, B6, and B12, and as such is beneficial for health.
Benefits of Tuna
We all know that consuming fish is healthy and offers multiple benefits, from improving vision and hair quality to maintaining heart health.
- Heart-friendly. Tuna contains omega-3 fatty acids, which help bring balance to blood vessels, thereby reducing cholesterol in the arteries. As such, the heart is able to effectively pump blood throughout the body, maintaining good health.
- Lowers blood pressure. Tuna is rich in potassium, known for lowering blood pressure. Omega-3 fatty acids combined with potassium provide an anti-inflammatory effect to the cardiovascular system, which in turn benefits us by lowering blood pressure, risk of stroke, and heart attacks.
- Boosts the immune system. Tuna is rich in manganese, zinc, vitamin C, and selenium, which help strengthen the immune system. These antioxidants protect us from diseases like cancer by fighting free radicals, metabolic byproducts at the cellular level.
- Weight Loss. Weight is a significant issue faced by most people. We all enjoy eating tasty foods but also want to maintain a slim figure. Tuna provides us with good taste while balancing our calories as it is low in fat and rich in proteins and nutrients.
- Strengthen Your Bones. Tuna contains vitamin B, which is an important component in strengthening bones. This vitamin makes bones stronger and protects them from injuries such as fractures. Add it to your daily diet and watch for effective results.
- Improve Your Skin Health. The vitamin B complex in fish helps keep our skin healthy. It contains a protein called elastin that gives our skin a smooth tone.
- Prevents Cancer Risk. The antioxidants in tuna meat fight cancer cells. Studies have shown that regular consumption of tuna helps eliminate the risk of breast and kidney cancer.
- Provides Energy. Tuna not only improves your metabolism but also increases the functionality of your organs, keeping your body energetic, active, and healthy. Additionally, it can also help strengthen the immune system.
Curiosities about Tuna
Tunas never rest and must always keep moving to get the oxygen their bodies need. They are not cold-blooded like most fish.
There are different types of tuna:
- Bluefin: they have a metallic blue color on top and silver white underneath
- Yellowfin: derives its name from its yellow fins, their body is also blue with a silver white undertone
- Other varieties include Albacore, Skipjack, and Bonito.
Tips about Tuna
Tuna dries quickly and should be cooked briefly over high heat or marinated before cooking. Thicker steaks remain juicier. Researchers have found that consuming tuna with a relatively higher natural fat content may help reduce the amount of mercury intake compared to consuming low-fat tuna.
How to Buy and Store Tuna
When purchasing, choose tuna that has been neatly trimmed with dark red flesh and a meaty aroma. While most other fish are displayed on a bed of ice, fresh whole tuna will be shown buried in ice. Tuna is best known in its canned form. It can be canned in oil, water, or broth. Although canned tuna in oil is the most moist, it also has the highest calorie content. Tuna should be refrigerated at the lowest temperatures. If you carry tuna with you on a busy day of errands, make sure to keep a cooler in the car. The shelf life of tuna can be extended by freezing it.
