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Determination of fifteen bioactive components in Radix et Rhizoma Salviae Miltiorrhizae by high-performance liquid chromatography with ultraviolet and mass spectrometric detection

✍ Scribed by Jun Cao; Ying-Jie Wei; Lian-Wen Qi; Ping Li; Zheng-Ming Qian; Hou-Wei Luo; Jun Chen; Jing Zhao

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
211 KB
Volume
22
Category
Article
ISSN
0269-3879

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✦ Synopsis

Abstract

A high‐performance liquid chromatographic (HPLC) method coupled with ultraviolet (UV) and electrospray ionization time‐of‐flight mass spectrometry (ESI‐TOF/MS) was established for simultaneous qualitative and quantitative determination of nine phenolic acids and six diterpenoids in Radix et Rhizoma Salviae Miltiorrhizae (RRSM). The optimal chromatographic conditions were achieved on a Zorbax C~18~ column by gradient elution with 0.1% (v/v) aqueous formic acid and acetonitrile as mobile phase at the flow rate of 1.0 mL/min. The detection wavelength at 281 nm was chosen to determine the 15 bioactive components, namely danshensu (1), protocatechuic acid (2), protocatechuic aldehyde (3), caffeic acid (4), rosmarinic acid (5), lithospermic acid (6), salvianolic acid B (7), salvianolic acid A (8), salvianolic acid C (9); dihydrotanshinone I (10), cryptotanshinone (11), tanshinone I (12), methylene tanshiqunone (13), tanshinone IIA (14) and miltirone (15). Additionally, LC‐ESI‐TOF/MS was used to make definite identification of the constituents in samples in comparison with those reference compounds. The validation of the method included tests of linearity, sensitivity, repeatability, stability and recovery. The proposed method was successfully applied to quantify the 15 components in 21 samples; significant variations were demonstrated in the contents of the samples from diverse species and origins. The developed method could be used to effectively and comprehensively evaluate the quality of RRSM for its clinical safety and efficacy. Copyright © 2007 John Wiley & Sons, Ltd.

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