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  • Title: [Determination of danshensu and protocatechuic aldehyde in Guanxinning injection powder by RP-HPLC].
    Author: Guo XR, Zhang WT, Chen XH, Bi KS.
    Journal: Zhongguo Zhong Yao Za Zhi; 2006 Aug; 31(16):1328-30. PubMed ID: 17061551.
    Abstract:
    OBJECTIVE: An RP-HPLC procedure was established for the determination of danshensu and protocatechuic aldehyde in Guanxinning injection powder. METHOD: An RP-HPLC analytical procedure was developed using Hypersil ODS2 C18 column (4.6 mm x 250 mm, 5 microm) with methanol-0.5% glaceal acetic acid (4.5:95.5) as mobile phase, and a wavelength of 280 nm for UV detection. RESULT: The linear range was 3.004-45.06 microg x m(L-1) (r = 0.999 5, n = 6) for danshensu, and 0.300-4.509 microg x mL(-1) (r = 0.999 3, n = 6) for protocatechuic aldehyde. The average recoveries were 99.1% and 97.9%, respectively. CONCLUSION: The method was stable, accurate, and reproducible, and can be used for the quality control of Guanxinning injection powder.
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