1, the first choice is the fixed meat stall in the vegetable market. It's best not to have fresh lamps, because fresh lamps will also confuse consumers. When stale pork is irradiated by fresh lights, it becomes pink and tender immediately, and it will be fooled when you buy it home. The new lamp is fake.

2. Buy pork, go to crowded places as far as possible, repeat customers, and prove that the quality is definitely good, even if it costs 1 yuan, don't hesitate, it doesn't matter whether it is expensive or not, as long as it is not too outrageous, you can ask for bills and try to ask for bills.

Don't buy fat just because you don't eat fat. Take more or less. By the color of fat, you can judge whether the meat is fresh or not. Looking at oily, the tender fat is the better. This is good pork.

4. Of course, even if you are careful, you may encounter problem pork, or find a merchant to return it, or you will only suffer.

Nutritional value of pork

1. protein in pork is a kind of high-quality protein, which contains all essential amino acids.

2. Pork is rich in iron, which is necessary for the formation and function maintenance of red blood cells in human blood.

3. Pork is the main dietary source of vitamins, especially refined pork is rich in vitamin B 1. Pork also contains more vitamin B2, which plays an important role in the synthesis and decomposition of fat.

Efficacy and function

1. Supplement protein and fatty acids.

Pork provides high-quality protein and essential fatty acids for human beings.

Tonifying kidney and nourishing yin

Pork is warm and sweet, and has the effects of moistening stomach, promoting fluid production, invigorating kidney and qi, and clearing away heat and toxic materials. It is mainly used to treat body fluid injury caused by fever, dry cough, constipation, tonic, moistening dryness, moistening skin, diuresis and quenching thirst.