Electrochemical quantification of piperine in black pepper

Abstract

A simple, rapid method of the detection of piperine in black pepper is reported using a voltammetric sensor based on a glassy carbon electrode (GC) with analysis following a short one-step extraction using ethanol. The method is based on a novel potential sweep designed to maximise signal sizes and shown with context of the present analytical challenge to be essential for gathering data allowing the construction of a linear calibration curve for the analysis in the relevant range namely 0.25-5.0 mM.

Selective voltammetric detection of chlorophylls using a semi-circular potential wave

“…This was demonstrated by Uchida et al in a theoretical study employing semi-circular potential sweep in stripping voltammetry designed for the adsorbed species (Y Uchida, Kätelhön, & Compton, 2019). Further, the use of semi-circular potential sweep voltammetry in experiments for a diffusion-controlled electrochemical process to obtain amplified signals facilitating simple data analysis was reported in our recent work on quantification of piperine in black pepper (Wang, Chen, Chaisiwamongkhol, & Compton, 2019).…”

“…However, the electroactive surface area can deviate substantially from the geometric area of electrode and greatly depends on the surface roughness factor, which is reported as ranging from 1.7 to 4.1 for the GC electrode (Murray, 1992). Thus Aeletrode can be (Amin et al, 2019;Wang et al, 2019). By approximating the midpoint of potential window Ecentre (Emid) to the oxidative potential of the studied compounds, maximum peak currents can be obtained.…”

A plant-mediated synthesis of nanostructured hydroxyapatite for biomedical applications: a review

“…This method is efficient, less time-consuming, and makes use of only one step. 99 Subramanian et al also extracted piperine from commercially available black pepper powder, and it was used as a green template for HAp synthesis. A methanolic extract was used to isolate piperine, and it was puried aerwards using column chromatography.…”

Semi-Circular Potential Sweep Voltammetry: Electrochemically Quasi-Reversible System

“…This unique feature amplifies both faradic current and nonfaradic current at midpoint and attenuate them outside of midpoint. Compton group proposed that the semi-circular potential sweep voltammetry can be applied to the precise determination of formal potential from LSV [4] and the determination of low concentration analyte [5].…”