In the item of chemical identification of Margarita in present drug standards, Only Calcium Carbonate is identified, but amino acids, peptides and proteins and such active constituents are not.

• 现行药品标准中珍珠的化学鉴别项下只有对CaCO3的鉴别,而无对氨基酸、多肽、蛋白质等活性成分的鉴别。