Article detail · 2021
Improving the Recovery of Phenolic Compounds from Spent Coffee Grounds (SCG) by Environmentally Friendly Extraction Techniques
- Year
- 2021
- Type
- article
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- YÖKSİS YÖKSİS article record
- YÖKSİS venue Molecules
- Catalog match (ISSN) Molecules
- OpenAlex OpenAlex enrichment (abstract, citations, topics)
Abstract
OpenAlex · English
The aim of this study was to investigate and compare the effects of different extraction techniques (high hydrostatic pressure-assisted extraction (HHPE), ultrasound-assisted extraction (UAE), and classical solvent extraction (CSE)) on phenolic compounds from spent coffee grounds (SCG). Different HHPE parameters (300, 400 and 500 MPa at 25 °C for 5, 10 and 15 min) and UAE parameters (40%, 50%, and 60% amplitude at 25 °C for 5, 10 and 15 min) were used. These techniques were compared with CSE (at 50 °C for 30 min) according to total phenolic content (TPC), antioxidant activity (AA), high-performance liquid chromatography (HPLC), scanning electron microscopy (SEM), and infrared (IR) spectroscopy. The results showed that eco-friendly techniques increased the TPC and AA compared to CSE and morphological changes were verified by SEM results. Furthermore, chlorogenic and caffeic acid were also quantified by using HPLC. Chlorogenic acid was found as the main phenolic compound in spent coffee grounds (SCG). The highest chlorogenic acid was detected as 85.0 ± 0.6 mg/kg FW with UAE at 60% amplitude for 15 min. In brief, for the extraction of phenolic compounds from waste SCG eco-friendly techniques such as HHPE and/or UAE were more convenient than CSE.
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Citations
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97 citations
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11 publications in the local catalog that cite this work (OpenAlex reference match; not the full global list).
- High-Pressure-Assisted Extraction of Phenolic Compounds from Olive Leaves: optimization and Comparison with Conventional Extraction 2023
- Green synthesis of silver nanoparticles using the extract of spent coffee used for paper-based hydrogen peroxide sensing device 2022
- Recovery of phenolic compounds from peach pomace using conventional solvent extraction and different emerging techniques 2024
- Recovery of phenolic compounds from peach pomace using conventional solvent extraction and different emerging techniques 2024
- Recovery of phenolic compounds from peach pomace using conventional solvent extraction and different emerging techniques 2024
- Recovery of phenolic compounds from peach pomace using conventional solvent extraction and different emerging techniques 2024
- Optimization and Comparison of High-Pressure-Assisted Extraction of Phenolic Compounds from Olive Pomace 2022
- A REVIEW OF ULTRASOUND-ASSISTED EXTRACTION OF BIOACTIVE COMPOUNDS FROM COFFEE WASTE 2025
- Binding kinetics and structural analysis of chickpea protein interactions with spent coffee phenolics under varying pH and concentrations 2024
- Extraction of Sesquiterpene Lactones from Inula helenium Roots by High-Pressure Homogenization and Effects on Antimicrobial, Antioxidant, and Antiglycation Activities 2024