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[A new identification and quautitation method for radix Salviae miltiorrhizae].

OBJECTIVE
To develop an identitication and quantitation method for Radix Salviae Miltiorrhizae.


METHOD
The powder X-ray Diffraction Fourier Fingerprint Pattern technique was used for this purpose. The high performance liquid chromatography method was used to evaluate the quantity of Tanshinone II A in 9 samples and 1 drug reference substance. The relationship of diffraction peak intensity and content of Tanshinone II A was investigated.


RESULT AND CONCLUSION
The powder X-ray diffraction Fourier Fingerprint Pattern analysis technique can be used to identify Radix Salviae Miltiorrhizae and to evaluate the quantity of Tanshinone II A in the drug at the same time.