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Supercritical carbon dioxide extraction of fatty acids compounds from tamarind seeds

Tamarind seed is a food waste that is discarded due to the lack of studies on its potential benefits. This study focusses on the determination of the exploitable bioactive compounds in tamarind seed oil. The oil was extracted via Supercritical Fluid Extraction (SFE) using carbon dioxide (CO2) since...

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Bibliographic Details
Published in:Materials today : proceedings 2022, Vol.63, p.S462-S466
Main Authors: Idris, Sitinoor Adeib, Rosli, Nor Roslina, Raja Aris, Raja Mohd Adli
Format: Article
Language:English
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Summary:Tamarind seed is a food waste that is discarded due to the lack of studies on its potential benefits. This study focusses on the determination of the exploitable bioactive compounds in tamarind seed oil. The oil was extracted via Supercritical Fluid Extraction (SFE) using carbon dioxide (CO2) since it is non-toxic, non-flammable, low cost, readily available and easily removed from the extracted materials. Moreover, supercritical CO2 operates at low temperatures thus preventing degradation of thermally labile compounds in the oil. The tamarind seed was oven-dried and ground into small pieces. The oil was extracted for 45 min at varying pressures (3000, 5000, and 7000 psi) and temperatures (40 °C, 60 °C and 80 °C) to determine the optimum operating parameters. The extraction yield was optimal at 80 °C and 7000 psi. The yellowish extracted oil, which had an odor similar to vegetable oil, was analyzed using Gas ChromatographyMass Spectrometry (GC–MS) to determine its fatty acid composition. The analysis confirmed the existence of twelve types of fatty acids, mainly arachidic acid (35.2 mol%), α-linolenic acid (17.4 mol%) and behenic acid (8.7%) which can be beneficial for further usage in industry utilization.
ISSN:2214-7853
2214-7853
DOI:10.1016/j.matpr.2022.04.129