Determination of global yield isotherms of macaúba (Acrocomia aculeata) extract using supercritical CO2 and its biological potential

IF 3.4 3区工程技术 Q2 CHEMISTRY, PHYSICAL Journal of Supercritical Fluids Pub Date : 2024-10-15 DOI:10.1016/j.supflu.2024.106427

Giselle Cristine Melo Aires , Kelly Roberta Pinheiro Pantoja , Eduardo Gama Ortiz Menezes , Jean Maurício Leão Pinheiro , Verônica Maria Souza Bezerra , Maria Eduarda Ferraz de Carvalho , Raul Nunes de Carvalho Junior

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Abstract

This study investigates the effectiveness of macaúba oil extraction using supercritical carbon dioxide, focusing on determining operational parameters such as temperature and pressure that maximize the quality and yield of the extract obtained. The extraction was carried out using freeze-dried macaúba pulp, under varying conditions of pressure and temperature. The overall yield isotherms of macaúba oil obtained, the solubility of the solute, composition of fatty acids, triglycerides, phenolic compounds, in addition to the antioxidant capacity and antimicrobial activity, were evaluated, before and after extraction. The results demonstrated that, under the conditions evaluated, the extraction process achieved maximum oil yields of 24.4 %, with a predominance of unsaturated acids rich in antioxidants and high concentrations of oleic acid (64.12 %), β-carotene (80.06 mg/kg) and α-tocopherol (114.66 mg/100 g of oil). This promising method offers a sustainable alternative for the production of compounds with high nutritional value, highlighting its potential for industrial applications.

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利用超临界二氧化碳确定玛咖巴（Acrocomia aculeata）提取物的全球产量等温线及其生物潜力

本研究调查了使用超临界二氧化碳萃取玛咖巴油的效果，重点是确定温度和压力等操作参数，以最大限度地提高萃取物的质量和产量。在不同的压力和温度条件下，使用冻干玛咖巴果肉进行萃取。对萃取前后玛咖巴油的总产量等温线、溶质的溶解度、脂肪酸、甘油三酯和酚类化合物的组成以及抗氧化能力和抗菌活性进行了评估。结果表明，在所评估的条件下，萃取过程的最高产油量为 24.4%，主要成分为富含抗氧化剂的不饱和酸，油酸（64.12%）、β-胡萝卜素（80.06 毫克/千克）和α-生育酚（114.66 毫克/100 克油）含量较高。这种前景广阔的方法为生产具有高营养价值的化合物提供了一种可持续的替代方法，凸显了其在工业应用方面的潜力。

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来源期刊

Journal of Supercritical Fluids 工程技术-工程：化工

CiteScore

7.60

自引率

10.30%

发文量

236

审稿时长

56 days

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.