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has been cited by the following article:

• TITLE: HPLC Profiling for Quality Control of Secondary Metabolites of Aqueous and Hydroethanolic Extract of Gardenia aqualla Stapf & Hutch

  AUTHORS: Claude Bérenger Ngantchouko Ngalemo, Jean Kisito Kouame, Gisele Laurel Tchiengang Tchoua, Blondin Gatien Tsawo, Patrick Yamen Mbopi, Théophille Dimo, Christophe N’cho Amin, François Nicaise Bony

  KEYWORDS: Gardenia aqualla Extracts, Quality Control, Method Development, Reverse Phase Liquid Chromatography

  JOURNAL NAME: American Journal of Analytical Chemistry, Vol.14 No.1, January 16, 2023

  ABSTRACT: WHO strategy on traditional medicine is based on security and quality of phytomedicine. Commonly adulterated affecting mostly metabolic and sexual dysfunction drugs. Control quality of those phytomedicines requires development of strategy and techniques applicable to them. Among the techniques, Reverse Phase Liquid Chromatography is the most used and has been developed in these studies to assess a protocol to characterize Gardenia aqualla leaves extract. The method consists in determining chromatographic conditions using organic and pH gradient models based on water and acetonitrile combined with pH modifiers made up of formic acid (AF) and ammonium hydroxide (NH3). Results show that extracts contain mainly acidic compounds quickly eluted by NH3 and more retained by AF. Optimal pH range for separation is 3 - 7 corresponding to 1.59 mM of NH3 and 6.55 mM of AF. In these conditions, elution of many polar compounds could be effective using a C18 based-deactivated column in a short period of time.