After digested with HNO3-HClO4, Sey lecithin in the analyte was transformed to phosphate quantitatively and thuswas determined with spectrometry based on the reaction of phosphate with molybdate.

• 本实验采用硝酸-高氯酸法消解样品,使样品中的卵磷脂定量转化为正磷酸盐,提出了基于钼蓝法的大豆总卵磷脂的含量测定方法。