In this experiment, five early-different-stage embryogenic culutures obtained after synchronization regulation from the embryogenic callus (EC) were used as the materials for the following studies in longan (Dimocarpus longan Lour. cv. Honghezi):①establishment of the high-resolution two-dimensional electrophoresis technology system for analysis of the proteins from early-different-stage embryogenic cultures in longan;②separation and preparation of proteins from 5 early-different-stage embryogenetic c...