Green Extraction Techniques in Food Analysis

Author(s): Ester Hernández-Corroto, María Luisa Marina and María Concepción García * .

DOI: 10.2174/9789815049459123030015

High-Voltage Electrical Discharges

Pp: 533-564 (32)

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  • * (Excluding Mailing and Handling)

Abstract

SHS investigation development is considered from the geographical and historical viewpoint. 3 stages are described. Within Stage 1 the work was carried out in the Department of the Institute of Chemical Physics in Chernogolovka where the scientific discovery had been made. At Stage 2 the interest to SHS arose in different cities and towns of the former USSR. Within Stage 3 SHS entered the international scene. Now SHS processes and products are being studied in more than 50 countries.

Abstract

 High-Voltage Electrical Discharges (HVED) are considered an emergent extraction technique based on the application of high-pulsed voltages. The aim of this chapter was to review its fundamentals for applications at laboratory and industrial scales. The configuration of devices and employed electrodes is described. Moreover, main steps required for using HVED and most important factors affecting this technique are also highlighted. Extraction of high added-value compounds from food waste and plant matrices using batch HVED has been the most usual application in last five years. In many cases, the low selectivity of the technique has made the use of a solid-liquid extraction step after HVED application necessary.

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