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Xiaolong Wang, Xin He and Xiaohua Wang
The extracts and extractive residues were obtained by single-stage extraction with acetone, CS2 and acetone/carbon disulphide solvent (IACDSM) under mild conditions, and they were then characterised by infrared and segmented peak fitting analysis. The re...
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Fereshteh Safarzadeh Markhali, José A. Teixeira and Cristina M. R. Rocha
This study examined the influence of ohmic heating (OH), compared to the conventional heating (Conven) and Control (solvent) methods, on the extraction of olive mill leaves. The main extraction parameters were: (i) solvent ratio (aqueous ethanol; 40%, 60...
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Elisa Franco Ribeiro, Débora Maria Moreno Luzia, Neuza Jorge
Pág. e36451
Coffee husk can be removed from the grain mainly by two different ways: the wet method and the dry method. Aiming to add value to the by-products of the coffee agroindustry, we analyzed the antioxidant properties of hydroalcoholic extracts of coffee husk...
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Elisa Franco Ribeiro, Débora Maria Moreno Luzia, Neuza Jorge (Author)
Pág. e36451
Coffee husk can be removed from the grain mainly by two different ways: the wet method and the dry method. Aiming to add value to the by-products of the coffee agroindustry, we analyzed the antioxidant properties of hydroalcoholic extracts of coffee husk...
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David Villanueva-Bermejo, Erika Vázquez, Marisol Villalva, Susana Santoyo, Tiziana Fornari, Guillermo Reglero and Mónica Rodriguez García-Risco
Heather (Calluna vulgaris L.) and marigold (Calendula officinalis L.) are two rich sources of bioactive pentacyclic triterpenes. The supercritical carbon dioxide (SCCO2) extraction of these two plants was explored at a pressure range of 25?50 MPa, 50 °C,...
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Dilasini A/P Ravichandran
Pág. 39
Deep eutectic solvent is an alternative green solvent for ionic liquids to extract phenolic compounds from pyrolysis oil. The study is carried out to screen 15 DESs through COSMO ? RS model to predict the activity coefficient at infinit...
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N. Salleha
Pág. 49
Nepeta Cataria is widely known for its hallucinogenic effects on the cats? behaviour. Commonly used methods to extract its essential oil are Soxhlet extraction (SE) and water-based methods. Due to solvent usage during extraction process, SE raises safety...
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Ismail M. Ahmed, Romany N. Ammanoeil, Ebtissam A. Saad, Jacqueline A. Daoud
Pág. 122 - 129
CYANEX 923 (a mixture of four trialkylphosphine oxides) in kerosene has been used for the extraction of phosphoric acid. Different parameters affecting the extraction of phosphoric acid such as shaking time, temperature, phase ratio O/A, extractant and p...
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Noor Arinafaten Zulilah Zulkifli
Pág. 9
Palm oil mill effluent or POME is the waste water discharge from palm oil milling activities. Polyhydroxyalkanoate or PHA is linear polyester that produces by bacterial fermentation of sugar or lipids with nature process. PHA is a biodegradable plastic t...
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Amir Muhammad, Wajid Ali, Iftikhar Ahmad, Mohammad Younas
Pág. 133 - 143
In this work extraction of copper (II) (Cu2+) from aqueous solution has been studied theoretically in commercially available hollow fiber membrane contactors (HFMCs) X-40 and X-50 modules from Liqui CelTM. Trifluoro-acetylacetone (TFA) has been used as e...
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Hideki Kanda, Peng Li, Motonobu Goto and Hisao Makino
We tested a wet extraction method for lipid extraction from Euglena gracilis water slurry at 0.51 MPa and 20 °C using liquefied dimethyl ether (DME). The yields, proximate analyses, elemental composition, and molecular weight distribution properti...
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Maria J. Ungerer, Derik J. van der Westhuizen, Gerhard Lachmann, Henning M. Krieg
Pág. 2 bladsye
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Naohide Shinohara, Toshiyuki Kataoka, Koichi Takamine, Michio Butsugan, Hirokazu Nishijima and Masashi Gamo
A modified procedure was developed for the measurement of the effective air exchange rate, which represents the relationship between the pollutants emitted from indoor sources and the residents? level of exposure, by placing the dosers of tracer gas at l...
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Selale Öncü Glaue, Tolga Akcan and Sebnem Tavman
Utilizing chemical and physicochemical techniques, the mucilage part of okra was extracted with the use of ultrasound, and the polysaccharide extract?s structural and thermal characteristics were assessed. Analysis of the extraction yield revealed that t...
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Guilherme A. de Souza Reis, Michiel H. A. Michels, Gabriela L. Fajardo, Ischa Lamot and Jappe H. de Best
Sludge from municipal wastewater treatment systems can be used as a source of mixed microbial cultures for the production of polyhydroxyalkanoates (PHA). Stored intracellularly, the PHA is accumulated by some species of bacteria as energy stockpile and c...
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Tainara Costa-Singh, Neuza Jorge
Pág. 279 - 285
It is extremely important to evaluate the extraction processes of vegetable oils used in food, considering that the nuts are rich sources of triacylglycerols. Thus, the present study aimed at comparing the methods of solvent extraction and extraction by ...
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Ricardo Cardoso de Oliveira, Terezinha Aparecida Guedes, Marcelino Luiz Gimenes, Sueli Teresa Davantel de Barros
Pág. 87 - 91
The effects of process variables on the oil extraction from passion fruit seeds by three techniques, ultrasound shaker, and soxhlet, and of environment-friendly solvents are evaluated. Ratio variables of seed weight, solvent volume (R), time of extractio...
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Merichel Plaza, Gloria Domínguez-Rodríguez, Cristina Sahelices and María Luisa Marina
Mangosteen (Garcinia mangostana L.) peel is a potential source of phenolic compounds with beneficial properties. Natural deep eutectic solvents (NaDES) have been considered an environmentally friendly and cheap alternative to conventional organic solvent...
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Justin J. Delver and Zachary K. Smith
Camelina sativa is an annual oilseed crop that requires low inputs. Recently, interest in camelina oil for both human use and biofuel production has increased. Camelina oil extraction is performed through two main methods, namely, mechanical expulsion an...
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Anis Muslihah Zambree
Pág. 50
Plenty extraction technique has been study to perform the extraction process. Solvent extraction and hydrodistillation is the conventional and oldest method for the extraction. However, there have some limitation when using these techniques. Soxhlet extr...
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