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Qualitative Analysis of Fried Semen Strychni Seeds by Ultra-high Performance Liquid Chromatographycombined with Quadrupole Time-of-flight Mass Spectrometry / 中国药学杂志
Chinese Pharmaceutical Journal ; (24): 123-131, 2019.
Article in Chinese | WPRIM | ID: wpr-858097
ABSTRACT

OBJECTIVE:

To identify the main chemical constituents in the extract of deep fried strychnas by UPLC-Q-TOF-MS.

METHODS:

Agilent SB-C18(2.1 mm×100 mm, 1.8 μm) column was used. Gradient elution was conducted with mobile phase consisting of 0.1% formic acid solution (A) and acetonitrile (B)at a flow rate of 0.2 mL•min-1. The column temperature was maitained at 35 ℃. MS analysis was based on information associated mode (IDA) that positive and negative ions were respectively collected.

RESULTS:

A total of 31 compounds were identified in deep fried strychnas, of which eight had not been reported as Semen Strychni,and four new compounds were found in the positive and negative ion mode. The main chemical constituents included alkaloids, organic acids, glycosides, etc.

CONCLUSION:

The method is accurate, reliable, and efficient, and is suitable for rapid identification of the ingredients in deep fried strychnas, which provides a reference for the development and utilization of processed products of Semen Strychni and clarification of its efficacy and material basis.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Qualitative research Language: Chinese Journal: Chinese Pharmaceutical Journal Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Qualitative research Language: Chinese Journal: Chinese Pharmaceutical Journal Year: 2019 Type: Article