Conventional Extraction Techniques:<scp>S</scp>oxhlet and Liquid–Liquid Extractions and Evaporation

Daso, Adegbenro P.; Okonkwo, Jonathan O.

doi:10.1002/9783527678129.assep053

Cited by 8 publications

(4 citation statements)

References 88 publications

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“…The traditional method made use of a separatory funnel to quantitatively transfer the liquid out. Hence, relative density plays an important role, where the less-dense organic phase will reside in the top phase and the aqueous sample in the bottom phase [63].…”

Section: Liquid-liquid Extractionmentioning

confidence: 99%

Latest Advances in Protein-Recovery Technologies from Agricultural Waste

Yusree

Peter

Nor

et al. 2021

Foods

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In recent years, downstream bioprocessing industries are venturing into less tedious, simple, and high-efficiency separation by implementing advanced purification and extraction methods. This review discusses the separation of proteins, with the main focus on amylase as an enzyme from agricultural waste using conventional and advanced techniques of extraction and purification via a liquid biphasic system (LBS). In comparison to other methods, such as membrane extraction, precipitation, ultrasonication, and chromatography, the LBS stands out as an efficient, cost-effective, and adaptable developing method for protein recovery. The two-phase separation method can be water-soluble polymers, or polymer and salt, or alcohol and salt, which is a simpler and lower-cost method that can be used at a larger purification scale. The comparison of different approaches in LBS for amylase purification from agricultural waste is also included. Current technology has evolved from a simple LBS into microwave-assisted LBS, liquid biphasic flotation (LBF), thermoseparation (TMP), three-phase partitioning (TPP), ultrasound-assisted LBS, and electrically assisted LBS. pH, time, temperature, and concentration are some of the significant research parameters considered in the review of advanced techniques.

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Section: Liquid-liquid Extractionmentioning

confidence: 99%

Latest Advances in Protein-Recovery Technologies from Agricultural Waste

Yusree

Peter

Nor

et al. 2021

Foods

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“…The solid-liquid extraction method mixes a solvent with the solid sample, dissolves the analyte into the solvent and therefore transfers the analyte from the solid sample into the liquid solvent [35]. Finally, separating the analyte from the solvent through a rotary evaporator [36] or vacuum oven [37]. The conventional procedure to put the solvent in contact with the analyte is through maceration or a vortex mixer.…”

Section: Introductionmentioning

confidence: 99%

Crushed Glass and Oil Extracted from Palm Oil Sludge as Primary Materials in the Production of Hydrophobic Sand for Capillary Barrier Applications

et al. 2022

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Hydrophobic-coated sand causes a reduction in infiltration, making it suitable for hydrophobic capillary barriers. Borosilicate glass waste was crushed into a synthetic sand 180 µm average, and fatty acids (PFA) were extracted from palm oil sludge. The synthetic sand was coated with PFA using mixing (POS-M) and solvent-assisted (POS-S) methods with stearic-acid-coated sand (SA) as a standard at concentrations varying from 1 to 16 g/kg. Contact angle measurements were undertaken by applying the sessile drop method. The water holding capacity of POS-M and SA were determined, and hydraulic conductivity curves were estimated with the van Genuchten model. Finally, a qualitative assessment of POS-M’s effectiveness as a capillary barrier was performed using a set of micro-tensiometers. Maximum contact angles for POS-M, POS-S, and SA were 119.73°, 118.83°, and 107.48°, respectively, and the saturated hydraulic conductivity of hydrophobized sands showed an exponential change of minus 2. Saturated conditions above the capillary barrier and unsaturated underneath were observed. In conclusion, the results indicate that the zero-waste approach applied through the reuse of solid waste from glass and palm oil production can be a waste management alternative in the production of hydrophobic sands that can be used in hydrophobic capillary barrier applications.

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“…Furthermore, because traditional extraction processes are rarely automated, their reproducibility may be compromised. Modern technologies (supercritical luid extraction (SFE), subcritical water extraction (SWE), Ultrasonic Assisted Extraction (UAE), and Microwave Assisted Extraction (MAE) should be utilised to extract these chemicals (Daso and Okonkwo, 2015).…”

Section: Introductionmentioning

confidence: 99%

Neoteric Approaches for Extraction of Bioactives from Marine Macroflora

Salunke

Wakure²,

Wakte

2021

ijrps

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More than 70% of the earth's surface is covered by the marine ecosystem. This habitat is home to a large number of marine species that produce very different metabolites as defense mechanisms. In recent years, a lot of research work has been done on the extraction of biologically active compounds using various methods in many commercial areas such as biomedicine, pharmaceuticals, cosmetics, nutrition and health care and chemical industry. In fact, many traditional extraction methods have several limitations, such as low efficiency, high energy costs, and low yields. Therefore, there is an urgent need for new and updated extraction methods. Because conventional extraction methods are solvent-intensive and time-consuming, consequently this review covers neoteric approaches like pressurized liquid extraction (PLE), ultrasonic assisted extraction (UAE), enzyme assisted extraction (EAE), extraction with supercritical fluids (SFE) and microwave assisted extraction (MAE) and working mechanism to extract bioactive components from marine flora. The advantages of the new technology include higher output, less time and lower cost. In addition, different combinations of new extraction technologies and technologies suitable for heat-labile compounds have also been identified. This article summarizes the most important bioactive compounds in marine flora and the latest developments in new extraction techniques.

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Conventional Extraction Techniques:Soxhlet and Liquid–Liquid Extractions and Evaporation

Cited by 8 publications

References 88 publications

Latest Advances in Protein-Recovery Technologies from Agricultural Waste

Latest Advances in Protein-Recovery Technologies from Agricultural Waste

Crushed Glass and Oil Extracted from Palm Oil Sludge as Primary Materials in the Production of Hydrophobic Sand for Capillary Barrier Applications

Neoteric Approaches for Extraction of Bioactives from Marine Macroflora

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