Uvaia （Eugenia pyriformis Cambess）果实：通过加压液体提取探索其抗氧化潜力

IF 3.4 3区工程技术 Q2 CHEMISTRY, PHYSICAL

Journal of Supercritical Fluids Pub Date : 2024-12-16 DOI:10.1016/j.supflu.2024.106498

Isadora de Souza Lopes , Rafael Augusto Juliato , Cristiane Conte Paim de Andrade , Ana Clara Troya Raineri Fiocco , Renata Galhardo Borguini , Manuela Cristina Pessanha de Araújo Santiago , Luiz Henrique Fasolin , Carolina Siqueira Franco Picone

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引用次数: 0

摘要

Uvaia （Eugenia pyriformis Cambess）是一种巴西本土水果，含有高浓度的酚类化合物。本研究以乙醇溶液为溶剂，采用加压液体萃取法（PLE）从葡萄籽（US）和葡萄果肉（UP）中提取黄酮类及其他酚类化合物。温度和乙醇浓度均能促进UP和US中酚类物质的提取。乙醇浓度的增加降低了黄酮类化合物的提取率。以美国为例，较高的温度和较低的乙醇含量提高了黄酮类化合物的提取率。在优化条件下，所有提取物均表现出较高的抗氧化活性，其中美国提取物（507.40 µM Trolox）的抗氧化活性最强。g−1干燥US)。本研究结果强调了PLE在提取UP和US抗氧化提取物中的有效性，并有助于uvaia果实及其残留物的增值。

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Uvaia (Eugenia pyriformis Cambess) fruit: Exploring its antioxidant potential through pressurized liquid extraction

Uvaia (Eugenia pyriformis Cambess) is a Brazilian native fruit with a high concentration of phenolic compounds. In this study, we optimized the extraction of flavonoids and other phenolic compounds from uvaia pulp (U_P) and seed (U_S) by Pressurized Liquid Extraction (PLE) using an ethanolic solution as solvent. Both temperature and ethanol concentration enhanced the extraction of the phenolics from U_P and U_S. The increase in ethanol concentration decreased the yield of flavonoid extraction from U_P. In the case of the U_S, higher temperatures and lower ethanol percentage improved the yield of flavonoid extraction. All extracts showed high antioxidant activity under optimized conditions, especially the U_S extracts (507.40 µM Trolox.g⁻¹ of dry U_S). The present findings highlight the effectiveness of PLE in obtaining antioxidant extracts from U_P and U_S, and also contribute to the valorization of uvaia fruit and its residues.

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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.