AIMC Topic: Chemical Fractionation
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Impact of microwave-assisted extraction on roasted coffee carbohydrates, caffeine, chlorogenic acids and coloured compounds.
Food research international (Ottawa, Ont.)
Dec 2, 2019
Microwave-assisted extraction (MAE) allows to quickly achieve soluble compounds from solid matrices due to the promotion of temperatures higher than the solvent (atmospheric) boiling point, once a closed-vessel system is used for operating at high pr...
Alkaline conditions better extract anti-inflammatory polysaccharides from winemaking by-products.
Food research international (Ottawa, Ont.)
Jul 3, 2019
Winemaking generates large amounts of by-products, a well recognized source of phenolic compounds. However, less attention has been paid to the polysaccharide-rich fraction (PRF) and effects of fractionation techniques on its potential bioactivity. T...
Air assisted - vesicle based microextraction (AAVME) as a fast and green method for the extraction and determination of phenolic compounds in M. officinalis L samples.
Talanta
Nov 29, 2018
In this research, a simple, rapid, and efficient air assisted - vesicle based microextraction (AAVME) approach was developed for the extraction of phenolic compounds and their analysis in different Melissa officinalis L. samples. The extraction metho...
Evaluation of casein as a binding ligand protein for purification of alpha-lactalbumin from beta-lactoglobulin under high hydrostatic pressure.
Food chemistry
Sep 19, 2018
Fractionation of β-lactoglubulin (β-lg) and α-lactalbumin (α-la) using conventional separation technologies remains challenging mainly due to similar molecular weight. Herein, casein (CN) was used as ligand protein to specifically aggregate β-lg unde...
Microwave assisted dehydration of broccoli by-products and simultaneous extraction of bioactive compounds.
Food chemistry
Nov 14, 2017
Broccoli by-products from frozen-food industry account for 45% of the initial broccoli heads. They consist on stalks, inflorescences, and leaves, blanched and non-blanched, sharing the nutritional value and bioactive compounds of commercial broccoli ...
Ultrasound-assisted extraction of antimicrobial compounds from Thymus daenensis and Silybum marianum: Antimicrobial activity with and without the presence of natural silver nanoparticles.
Ultrasonics sonochemistry
Nov 2, 2017
The present study is devoted to prepare a new antibacterial and antifungal agent based on in situ-synthesized silver nanoparticles at room temperature using Rosmarinus officinalis (R. officinalis) leaf extract. The Ag-NPs characterization by UV-visib...
Switching and optimizing control for coal flotation process based on a hybrid model.
PloS one
Oct 17, 2017
Flotation is an important part of coal preparation, and the flotation column is widely applied as efficient flotation equipment. This process is complex and affected by many factors, with the froth depth and reagent dosage being two of the most impor...
Accelerated Solvent Extraction of Insecticides from Rice Hulls, Rice Bran, and Polished Rice Grains.
Journal of AOAC International
Dec 23, 2016
Analysis of pesticide residues in irrigated rice grains is important for food security. In this study, we analyzed accelerated solvent extraction (ASE) conditions for the extraction of thiamethoxam and chlorantraniliprole insecticides from rice hulls...
Optimization conditions for extracting polysaccharide from Angelica sinensis and its antioxidant activities.
Journal of food and drug analysis
Nov 10, 2016
In this study, polysaccharides from Angelica sinensis were extracted using the ultrasound-assisted extraction method. Based on the results of single factor experiments and orthogonal tests, three independent variables-water/raw material ratio, ultras...
NITRIC OXIDE INHIBITORY ACTIVITY OF (LOGANIACEAE) LEAF EXTRACTS AND FRACTIONS.
African journal of traditional, complementary, and alternative medicines : AJTCAM
Sep 29, 2016
BACKGROUND: The study was aimed at determining the anti-inflammatory activity of fractions and extracts obtained from leaves on a mediator of inflammation nitric oxide (NO).
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