Determination of process parameters, chemical composition and antioxidant activity of Calycolpus goetheanus (O. Berg) extract obtained by supercritical CO2
Rafael V. Mota , Nayara J.N. da Silva , Eduardo G.O. Menezes , Maria Eduarda F. de Carvalho , Jean M.L. Pinheiro , Diego A. da Silva , Eloisa H. de A. Andrade , Raul N. de Carvalho Junior
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引用次数: 0
Abstract
This pioneering study is the first to explore the extraction of Calycolpus goetheanus using supercritical carbon dioxide (scCO2), novel approach to harnessing the bioactive potential of this Amazonian species. By examining extractions under varying temperatures (35 and 45 °C) and pressures (150, 250, and 350 bar), the research not only evaluates the yields but also uncovers significant differences in chemical composition and antioxidant activity compared to traditional hydrodistillation. Notably, the highest yield (2.11 ± 0.07 %) was achieved under 45 °C and 350 bar conditions, where n-heneicosane (34.26 %) was the dominant compound, alongside δ-cadinene, α-terpineol, and other important terpenes and fatty alcohols. The scCO2 extracts demonstrated superior antioxidant activity compared to hydrodistillation, highlighting the method's ability to preserve and concentrate bioactive compounds. This research advances the field by showcasing scCO2 as a greener and more efficient extraction technique, with potential applications in pharmaceuticals, cosmetics, and nutraceuticals, opening new pathways for the sustainable exploitation of Amazonian biodiversity.
期刊介绍:
The Journal of Supercritical Fluids is an international journal devoted to the fundamental and applied aspects of supercritical fluids and processes. Its aim is to provide a focused platform for academic and industrial researchers to report their findings and to have ready access to the advances in this rapidly growing field. Its coverage is multidisciplinary and includes both basic and applied topics.
Thermodynamics and phase equilibria, reaction kinetics and rate processes, thermal and transport properties, and all topics related to processing such as separations (extraction, fractionation, purification, chromatography) nucleation and impregnation are within the scope. Accounts of specific engineering applications such as those encountered in food, fuel, natural products, minerals, pharmaceuticals and polymer industries are included. Topics related to high pressure equipment design, analytical techniques, sensors, and process control methodologies are also within the scope of the journal.