Optical resolution of DL-allo-Threonine have been investigated by perferential crystalloization at roomtemperature,oversaturated degree of 0.02-0.05g DL-allo-Thr/g-H_2O is selected.

• 研究了用优先结晶法对DL-别苏氨酸进行光学活性拆分的问题，在相图基础上选取适当的过饱和度，即配制成原始拆分母液。