Supercritical fluid extraction of piquiá (Caryocar villosum (Aubl.) Pers.) pulp: Influence of operating conditions on yield, α-tocopherol content and extract characterization

IF 3.4 3区工程技术 Q2 CHEMISTRY, PHYSICAL Journal of Supercritical Fluids Pub Date : 2024-06-02 DOI:10.1016/j.supflu.2024.106322

Renato Macedo Cordeiro , Kelly Roberta Pinheiro Pantoja , Leonardo Victor Gomes de Melo , Maria Eduarda Ferraz de Carvalho , Raul Nunes de Carvalho Junior

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Abstract

Caryocar villosum (Aubl.) Pers. is a fruit native to the Amazon region, popularly known as piquiá. The supercritical extraction process of piquiá pulp was investigated in this work, considering the influence of temperature, pressure and solvent density on the extraction yield. The quality of the extract was evaluated in terms of fatty acid profile, functional quality indices, physicochemical characterization and α-tocopherol content. The extraction yield resulted to be greater with increasing pressure in each isotherm. The highest extraction yield was 62.74 %, while the lowest was 44.01 %. The main fatty acids observed in the extracts obtained under all operating conditions were oleic and palmitic. The results indicated that piquiá extract obtained via supercritical CO₂ presents itself as a potential product to be explored for applications in the food, cosmetic and pharmaceutical industries due to its composition and functional quality.

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对 piquiá（Caryocar villosum (Aubl.) Pers.）果肉的超临界流体萃取：操作条件对产量、α-生育酚含量和提取物特征的影响

Caryocar villosum (Aubl.) Pers.是一种原产于亚马逊地区的水果，俗称 piquiá。这项工作研究了 piquiá 果肉的超临界萃取过程，考虑了温度、压力和溶剂密度对萃取率的影响。从脂肪酸组成、功能质量指标、理化特性和 α-生育酚含量等方面对提取物的质量进行了评估。在每种等温线下，萃取率随着压力的增加而增加。最高萃取率为 62.74%，最低为 44.01%。在所有操作条件下获得的萃取物中观察到的主要脂肪酸是油酸和棕榈酸。结果表明，通过超临界二氧化碳萃取得到的皮奎亚提取物因其成分和功能质量，成为食品、化妆品和制药行业中一种潜在的应用产品。

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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.