Soybean oil is an oil extracted from soybean, which is usually called "soybean salad oil" and is one of the most commonly used cooking oils. The longest shelf life of soybean oil is only one year. The better the quality, the lighter the soybean oil should be, which is light yellow, clear and transparent. There is no sediment and no fishy smell. The high-quality soybean oil with a temperature below zero degrees Celsius will have oil crystals.
Soybean oil is pungent, hot and slightly toxic, and has the functions of expelling worms and moistening intestines. It can be used to treat intestinal obstruction, constipation and various sores, scabies, toxins and blood stasis.