how to tuna?

A tuna also called tunny is a saltwater fish. It belongs to the tribe Thunnini, a subgrouping of the Scombridae mackerel family. The Thunnini comprise 15 species across five genera, the sizes of which vary greatly, ranging from the bullet tuna max. length: 50 cm, weight: 1.8 kg up to the Atlantic bluefin tuna max. length: 4.6 m , weight: 684 kg . The Atlantic bluefin averages 2 2m, and is believed to live up to 50 years

  • Tuna is an excellent source of vitamin B12, an essential vitamin needed to make DNA. Vitamin B12 also helps you to form new red blood cells and prevent the development of anemia
  • The omega-3s in tuna also seem to have a positive effect on eye health. In a study of 40,000 female health professionals, women who ate multiple servings of tuna per week had as much as a 68% lower risk of developing dry eye
  • Tuna’s omega-3 fatty acids are also believed to slow the growth of tumor cells and reduce inflammation in the body
  • Tuna is a lean meat. It’s relatively high in protein, but low in calories, which means that it keeps you full longer and stops you from eating more
  • Tuna is one of the best dietary sources of vitamin D. Just 3 ounces of canned tuna yield as much as 50% of the recommended daily level
  • Antioxidants from the tuna meat fight cancer cells
  • Tuna is rich in potassium, which is known for lowering blood pressure. Omega-3 fatty acids in combination with potassium bring an anti-inflammatory effect to the cardiovascular system
  • Tuna contains Vitamin B which is a major component in strengthening bones

Encyclopædia Britannica

how to tune? –,Tokyo, Japan 2019