A review of recent advance on extraction technology and performance improving technology of soybean protein isolate

The soybean protein isolate (SPI) is one of the few alternative plant proteins to animal proteins and has a wide range of applications in the food processing industry.The performance improvement of soybean protein isolate is a research hotspot in recent years.Here is a review of the selection of raw materials, technical parameters and the performance improvement of by-products for the extraction of soybean protein isolate with the alkalisolution and acid-isolation method.