[Objective]The aim was to establish the method of rapeseeds minute particles preparation by using different velocity centrifugation and the UV determination methodology of protein concentration in minute particles of rapeseed.[Method] Both high oil-content materials and low oil-content materials of developing silique were collected at 47 days after pollination.The silique was peeled,and minute particles of rapeseeds were extracted by different velocity centrifugation.The Bardford method was used to measure ...