Although marine fish live in salty sea water, their meat quality is light. The salted fish we eat is salted, so it is salty. Therefore, eating moral salted tuna is reserved.
How to buy tuna:
1, depending on the form.
Fish is spindle-shaped, resembling a torpedo, and its tail fin is crescent-shaped. Fish scales have degenerated into small round scales.
2. Look at the color.
The chilled tuna is dark red or brown, with naturally uneven color and deep back and shallow abdomen; Ultra-low temperature tuna is darker in color, followed by glossiness; CO tuna (treated with carbon monoxide) is pink, even and dull.
3. Taste.
Iced tuna tastes fresh, not greasy, and the meat is elastic, which will be very fragrant when eaten in the mouth; CO tuna tastes odorless and tasteless, and its meat is dry and sticky; Ultra-low temperature tuna is somewhere in between.