Composition and physical properties of babassu seed (Orbignya phalerata) oil obtained by supercritical CO2 extraction

IF 4.4 3区工程技术 Q2 CHEMISTRY, PHYSICAL Journal of Supercritical Fluids Pub Date : 2019-08-01 DOI:10.1016/j.supflu.2019.04.009

Naila Albertina de Oliveira , Mônica Roberta Mazzali , Heidge Fukumasu , Cintia Bernardo Gonçalves , Alessandra Lopes de Oliveira

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引用次数: 21

Abstract

Oil was obtained from babassu seeds via supercritical CO₂ extraction under conditions from 40 to 80 °C and at pressures of 25–35 MPa. The fatty acid profile was determined by gas chromatography–mass spectrometry (GC–MS), and the triacylglycerol (TAG) composition was estimated. The highest oil recoveries from the seeds, 86.56% and 89.86%, were obtained by extraction at 70 °C/25 MPa and 80 °C/35 MPa, respectively. Oil yield increased as temperature increased. β-Sitosterol was maximal (274.3 mg/kg) at 40 °C/25 MPa. Extraction conditions did not influence the fatty acid and TAG composition. Babassu oil presented density (0.9021–0.9171 g/mL), viscosity (28.2786–52.2843 mPa.s) and refractive index (RI, 1.4520–1.4563) values comparable with those of refined vegetable oils. The main TAGs present in this oil were LOL (lauric, oleic and lauric acids), LOM (lauric, oleic and myristic), LOP (lauric, oleic and palmitic) and MOP (myristic, oleic and palmitic).

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超临界CO2萃取芭蕉油的组成和物理性质

在40-80的条件下，通过超临界CO2萃取从巴巴苏种子中获得油 °C，压力为25-35 MPa。通过气相色谱-质谱法（GC–MS）测定脂肪酸图谱，并估计三酰甘油（TAG）的组成。从种子中提取的油回收率最高，分别为86.56%和89.86% °C/25 MPa和80 °C/35 MPa。油产量随着温度的升高而增加。β-谷甾醇含量最高（274.3 mg/kg） °C/25 MPa。提取条件不影响脂肪酸和TAG的组成。巴巴苏油呈现密度（0.9021–0.9171 g/mL），粘度（28.2786–52.2843 mPa.s）和折射率（RI，1.4520–1.4563）值与精制植物油相当。该油中存在的主要TAG是LOL（月桂酸、油酸和月桂酸）、LOM（月桂酸和油酸）、LOP（月桂酸，油酸和棕榈酸）和MOP（肉豆蔻酸、油酸或棕榈酸）。

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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.