Related Experiment Video
Updated: Jul 15, 2026

Tea Aroma Analysis Based on Solvent-Assisted Flavor Evaporation Enrichment
Published on: May 26, 2023
Analysis of aromatic and terpenic constituents of pepper extracts by capillary electrochromatography
Alessandro Musenga1, Roberto Mandrioli, Anna Ferranti
1Department of Pharmaceutical Sciences, Faculty of Pharmacy, Alma Mater Studiorum - University of Bologna, Bologna, Italy.
Abstract:
An original method based on CEC has been developed for the determination of aromatic and terpenic compounds in extracts of spices obtained from Piper nigrum. The method is based on the use of a fused silica capillary (effective length: 23.5 cm, internal diameter: 100 microm) packed with a C18 sorbent (packing length: 23 cm, particle size: 5 microm). The mobile phase is a 50 mM, pH 6.0 ammonium acetate/ACN (10:90 v/v) mixture. Applying a 30 kV voltage, the following 11 compounds were separated and analysed: terpinen-4-ol, caryophyllene oxide, limonene, alpha-pinene, 3-carene, beta-pinene, alpha-humulene, beta-caryophyllene, alpha-phellandrene, eugenol and piperine. Compound determination is carried out using a diode-array detector set at 265 and 338 nm for alpha-phellandrene and piperine, respectively, and at 210 nm (reference subtraction at 282 nm) for all the other analytes. The optimised method has been validated with good results in terms of linearity, limits of quantitation, detection and precision. The CEC method was successfully applied to the analysis of essential oils and methanolic extracts of 'black', 'white' and 'green' pepper.
More Related Videos
05:29Profiling Volatile Compounds in Blackcurrant Fruit using Headspace Solid-Phase Microextraction Coupled to Gas Chromatography-Mass Spectrometry
Published on: June 9, 2021
10:13Using Capillary Electrophoresis to Quantify Organic Acids from Plant Tissue: A Test Case Examining Coffea arabica Seeds
Published on: November 12, 2016
Related Concept Videos
Electrophoresis: Overview
There...
Capillary Electrophoresis: Applications
Capillary zone electrophoresis (CZE) separates ionic components based on their electrophoretic mobility. It has been used to separate proteins, amino acids,...
Capillary Electrophoresis: Instrumentation
NMR Spectroscopy of Aromatic Compounds
Mass Spectrometry: Aromatic Compound Fragmentation
Gas Chromatography: Types of Columns and Stationary Phases
For an analyte to remain on the column for a sufficient amount of time, it must exhibit some level of compatibility (or...