How to choose mackerel?
1. Mackerel and mackerel are very similar in body shape. The difference is: mackerel has generally wide eyes, blue-black stripes on the side of the body, short and thin caudal peduncle, two dorsal fins separated with a large distance, and only 5 small ones behind the back and anal fins. fin;
2. Meat contains a high amount of histamine, and improper storage is prone to produce histamine substances, which can cause allergic food poisoning after eating.
