1. Beef should be cooked for about 3 minutes. Under normal circumstances, the time to cook beef is related to the size of beef and the pot used. For example, if a large piece of beef is stewed in an ordinary pot, it will take a little longer, more than 3 minutes. If it is stewed in a pressure cooker, it will be cooked within 3 minutes.

2. Beef is a good source of various minerals, with high content of sodium, potassium, phosphorus, sulfur, chlorine and other elements, and rich in iron, copper, manganese, zinc, manganese and cobalt, but extremely low content of calcium. Soluble minerals (such as potassium and sodium) are easily lost with the juice during the freezing and thawing process of meat: minerals such as iron, copper and zinc exist in combination with protein, so they are not easily lost during processing.