In synthesis method, the non-phytic acids such as hexahydroxy-benzene and starch are passed through chemical reactions to produce phytic acid.
合成法主要是以非植酸化合物为原料（如六羟基苯、淀粉等）通过化学反应制得。
2
Methods of extraction of phytic acid by microwave assist and ion exchange resin from degreasing rice bran are described, and the optimum condition of the method is discussed in this paper.