An anion exchange monolithic cartridge for extraction, analysis of oleanolic acid from oldenlandia diffusa

T. Zhu, K. H. Row

Research output: Contribution to journalArticlepeer-review

Abstract

An anion exchange monolithic cartridge was synthesized and used for extraction and analysis of oleanolic acid from Oldenlandia diffusa. The analysis was performed on HPLC with an eluting solution consisting of methanol-water-acetic acid (88:12:0.5, v/v/v, pH = 5.8) and a C18 column. An ultrasonic-assisted process was applied to accelerate the extraction process, which was obviously increasing the extraction efficiency. Under the optimum condition, good linearity was obtained in a range of 50-2000 ?mu; g mL-1. The intra-day and inter-day were less than 4.8 and 5.7 % and recoveries were ranging from 98.3-104.5 %. This method can be used for the extraction and analysis of drugs from natural plants due to its simplicity and reliability.

Original languageEnglish
Pages (from-to)3008-3010
Number of pages3
JournalAsian Journal of Chemistry
Volume25
Issue number6
DOIs
StatePublished - 2013

Keywords

  • Anion exchange
  • Extraction
  • Monolithic cartridge.
  • Oldenlandia diffusa
  • Oleanolic acid

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