Induction Heated Pressure Vessel System and Method for the Rapid Extraction of Lipids and Trace Polar Micronutrients from Plant Material

Alaboratory extractor has been designed and constructed that selectively extracts polar and non-polar components from oilseeds and other matrices using elevated pressure and temperature. The extractor is comprised of a 403 stainless steel pressure vessel heated by an electromagnetic induction heatin...

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Bibliographic Details
Published in:Food and bioproducts processing 2001-09, Vol.79 (3), p.169-175
Main Authors: Stikeleather, L.F., Singleton, J.A.
Format: Article
Language:English
Subjects:
bioactive compounds
Biological and medical sciences
Biotechnology
electromagnetic induction heating
extractor
Food engineering
Food industries
Fundamental and applied biological sciences. Psychology
General aspects
heat treatment
lipids
Methods. Procedures. Technologies
micronutrients
Others
peanuts
rapid extraction
rapid methods
solvents
soybean meal
stainless steel
temperature
triacylglycerols
Various methods and equipments
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Summary:Alaboratory extractor has been designed and constructed that selectively extracts polar and non-polar components from oilseeds and other matrices using elevated pressure and temperature. The extractor is comprised of a 403 stainless steel pressure vessel heated by an electromagnetic induction heating coil. An induction heating control circuit, from a commercially available induction cooker, is used to drive a custom wound heating coil designed to cradle the pressure cell. The advantages of this system include low initial cost, greatly reduced solvent consumption, shorter extraction times, quantitative lipid recovery, use of multiple extraction solvents, and reduction in cost per sample. Neutral lipids were extracted from peanut and soybean meals in 50 minutes by this rapid extraction method compared to 1440 minutes required to extract the comparable amount of neutral lipids from a similar sample using the Soxhlet extraction method. Methodology and data on micronutrient extractions are also presented to verify extractor performance.
ISSN:0960-3085
1744-3571
DOI:10.1205/096030801750425262