Thursday, September 10, 2009

About Tuna Nutrition

Valuable Information About Tuna Nutrition
If you are like me and enjoy eating healthy foods, then you definitely want to learn as much as you can about tuna nutrition. Why? Because tuna is one of the most nutritious foods out there, bar none. Some people do not like the taste – and most everyone does not like the smell – but tuna really is a great food to eat. It does not taste bad, either. If you are still wary, then perhaps this article about tuna nutrition will entice you to try out this healthy and tasty fish.
Fishy Information About Tuna Nutrition
Tuna fish are some of the best sources of food in the world. Millions consume tuna on a weekly basis, because they enjoy the taste and for the sustenance it offers. These carnivorous fish live in both the Atlantic and Pacific oceans and are extremely numerous, forming a multitude of stocks that are fished regularly by commercial fishermen. While these stocks are still plentiful, for the most part, some are being overfished and need to be replenished before they are completely depleted. Also, tuna vary in size based on what type you have. The smallest types of tuna rarely get above 3 feet, while the largest can reach up to 10 feet in length and weigh hundreds of pounds. That is a lot of tuna!
Health Information About Tuna Nutrition
Now that we have explored what tuna are, we can talk about tuna nutrition. As mentioned earlier in the article, tuna are extremely nutritious fish. The amount of vital nutrients that are contained within tuna meat is amazing. Let us take a six ounce serving of tuna, for example. In this serving of tuna, you will receive 78% of your recommended daily value of vitamin B12; 42% of phosphorus; 48% of thiamin; and a whopping 62% of protein. That is just in one six ounce serving! There are other things about tuna nutrition besides these nutrients.
One of the best features of tuna from a nutritional standpoint is the presence of omega-3 fatty acids. If you have heard this term recently, it is because people have learned about the powerful benefits offered by these essential fatty acids. These are called essential because they are crucial to the health of the human body – but they cannot be produced by the body. Therefore, you have to get them from food, and tuna fish is a great way to obtain these vital components. Omega-3 fatty acids also are good for the cardiovascular system, and help protect against inflammation in your body.
Other Information About Tuna Nutrition
There are other health benefits to be found with tuna in addition to those above. For example, eating tuna is a good way to prevent heart attacks. The nutrients in the tuna help keep your arteries from becoming clogged, so that you have less of a chance of getting a heart attack or other cardiovascular complication. Heart arrhythmia is another condition that can be helped by eating tuna, thanks once more to the omega-3 fatty acids and other nutrients in the tuna. In conclusion, you cannot overlook the health benefits offered by tuna fish. Even if you do not like the taste, eating tuna is a great way to get a lot of nutrients without the high calories and fat that come with other nutrient-rich food.
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About Tuna Types

Learning About Tuna Types
If you are a fan of tuna, then learning about tuna types will more than likely be right up your alley. These little fish may be tiny, but they supply food for millions of people around the world. What's more is that you can take tuna meat and mix it with a variety of ingredients to get the perfect snack or meal. Tuna also are an important part of the marine food chain, which allows many diverse and unique species to survive. If you are up for learning about tuna types, then keep reading.
A Brief Introduction to Tuna
Let us begin by talking about the fish in question: tuna. Tuna is a term used to denote species of fish that live primarily in the Atlantic and Pacific oceans. These fish are carnivorous and dwell in cold water and warm water alike, which makes them very accessible to fishermen. In fact, tuna fish are some of the most heavily fished sea creatures in the world. They can grow anywhere from 3 feet to 10 feet, and can weigh from a few pounds to hundreds of pounds. Indeed, the largest tuna ever caught – a bluefin tuna – weighed in at a whopping 1,496 pounds! The size of the tuna will depend on what type of tuna it is, ranging from the smallest – bullet tuna – to the largest – northern bluefin tuna. We will now learn more about the tuna types themselves.
All About Tuna Types and What They Are
The term 'tuna' actually refers to a collection of species in the family Scombridae. They are divided into five smaller groups called genera: Thunnus, Euthynnus, Allothunnus, Auxis, and Katsuwonus. Typically, fish in the Thunnus genus are the largest, and fish in the Auxis are the smallest. We will mostly talk about tuna that belong to the Thunnus genus, since they are the ones that are most common recognized.
When you eat tuna from the grocery store, chances are you are eating albacore tuna. Albacore is the most popular type of tuna and is the only type whose meat can legally be called white. Other popular types of tuna as far as commercial purposes go are yellowfin tuna and bluefin tuna. As mentioned above, bluefin tuna are the largest tuna in the world and have a strong yet delicious taste. If you buy light canned tuna, chances are you are buying skipjack tuna, a genus that tends to be smaller (around 4 feet long). This type of tuna is in the same genus as bullet tuna, which is the smallest type out there.
One of the most interesting thing about tuna types is how they all adapt to their environments. Most types of tuna are highly mobile and migrate from place to place – or ocean to ocean with the bluefin. This makes them hard to pin down at times. Also, some of the larger tuna types, like bluefin tuna and bigeye tuna, have the ability of raising their temperature above the temperature of the water around them – which means they can better adapt to their surroundings and survive. Furthermore, there are other types of tuna, like dogtooth tuna, that are not types of tuna at all (but are closely related).
In conclusion, there are many wonderful things about tuna types and the similarities and differences between them that are worth exploring. Whether you enjoy them for their taste, or are just a marine enthusiast or fisherman, learning about tuna types will surely prove to be quite interesting and useful to you in the future.