The purpose of this investigation was to evaluate protein properties of chickpea produced in Xinjiang. First, the chickpea protein isolate (CPI) preparation art, alkaline extraction and acid precipitation was optimized. Second, based on purification, the structure and functional properties of CPI and its major fractions were investigated. Futher, the detail study of solubility, emulsifying and gelation properties of CPI and their relations to the structure were conducted to expand the use of CPI in food ind...