Obtaining oil and fermentable sugars from olive pomace using sequential supercritical fluid extraction and enzymatic hydrolysis

IF 3.4 3区工程技术 Q2 CHEMISTRY, PHYSICAL

Journal of Supercritical Fluids Pub Date : 2024-04-24 DOI:10.1016/j.supflu.2024.106288

Naila Marcuzzo , Crisleine P. Draszewski , Roger Wagner , Madison Willy Silva Cordeiro , Fernanda Castilhos , Flávio D. Mayer , Déborah Cristina Barcelos Flores , Flávia M.D. Nora , Ederson R. Abaide , Claudia S. Rosa

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Abstract

Olive pomace has high economic potential and the supercritical technology for extraction produces oil with potential use in the food and biofuels industries. The remaining solid can be used to obtain fermentable sugars from the hydrolysis. The present work aims to evaluate the effect of supercritical fluid extraction (SFE) of pomace olive oil at 60 and 40 °C and 18 and 22 MPa on oil yield and composition. Furthermore, use the remaining solid of SFE to obtain fermentable sugars from enzymatic hydrolysis. Kinetic curves were obtained for SFE, with the best oil yields 19.36 ± 2.43 wt% obtained at 40 °C / 22 MPa. The antioxidant activity was better for (60 °C / 22 MPa) presenting 137.87 ± 1.04 µmol TEAC / g am. dry. The highest yield of fermentable sugar (Y_FS) was 41.02 ± 4.79 g defatted olive pomace (DOP) for 26 Filter Paper Unit (FPU) / 1% solid loading (CS).

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利用连续超临界流体萃取和酶水解从橄榄渣中获取油和可发酵糖

橄榄果渣具有很高的经济潜力，采用超临界技术提取的橄榄油可用于食品和生物燃料工业。剩余固体可用于水解获得可发酵糖。本研究旨在评估在 60 和 40 °C、18 和 22 兆帕条件下对果渣橄榄油进行超临界流体萃取（SFE）对橄榄油产量和成分的影响。此外，利用超临界流体萃取的剩余固体通过酶水解获得可发酵糖。获得了 SFE 的动力学曲线，在 40 °C / 22 MPa 条件下，产油量为 19.36 ± 2.43 wt%。抗氧化活性（60 °C / 22 MPa）更好，达到 137.87 ± 1.04 µmol TEAC / g am. dry。在 26 过滤纸单元（FPU）/1% 固体负载（CS）条件下，可发酵糖（YFS）的最高产量为 41.02 ± 4.79 克脱脂橄榄渣（DOP）。

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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.