In this study, we use sodium alginate as wall material, wasabia japonica as core material to prepare the calcium alginate microcapsules encapsulated wasabia japonica by orifice method The alginate mix with wasabia japonica to add into CaCl2 solution by the injector, and to prepare the microcapsules. By changing the wasabia japonica content, the concentration of CaCl2 and the cross-linking time. The results indicated that the best preparing condition was 1% sodium alginate, 10% CaCl2 solution and 10min of cross-linking time.
