Heat-/ultrasound-assisted extraction
Optimization and comparison of heat and ultrasound assisted extraction techniques to obtain anthocyanin compounds from Arbutus unedo L. Fruits
... considerations, extraction techniques have largely focused on finding solutions with sustainable and green values to implement in food pro- cessing, cosmetic and pharmaceutical industries ( Chemat, Rombaut, ...
11
Optimization of heat- and ultrasound-assisted extraction of anthocyanins from Hibiscus sabdariffa calyces for natural food colorants
... and ultrasound-assisted extraction methods were applied to recover anthocyanins from Hibiscus sabdariffa ...The extraction variables, time (t), ethanol proportion (S), and temperature (T) or ...
13
Extraction of rosmarinic acid from Melissa officinalis L. by heat-, microwave- and ultrasound-assisted extraction techniques: A comparative study through response surface analysis
... Heat-assisted extraction (HAE) is the conventional method mostly used for the extraction of natural ...of extraction and the high tem- peratures required [18] . ...
12
Anthocyanin-rich extract of jabuticaba epicarp as a natural colorant: Optimization of heat- and ultrasound-assisted extractions and application in a bakery product
... the extraction of these compounds is a delicate process due to their poor ...applying heat to an extraction process is important to promote mass transfer phenomena, which increases process e fficiency ...
10
Optimization conditions of UV-C radiation combined with ultrasound-assisted extraction of cherry tomato (Lycopersicon esculentum) lycopene extract
... light, ultrasound is a good technology for food ...sity ultrasound assisted extraction (UAE) is an important process that is used to extract bioac- tive compounds from fruits and vegetables ...
17
Recovery of bioactive anthocyanin pigments from Ficus carica L. peel by heat, microwave, and ultrasound based extraction techniques
... solid-liquid extraction technologies are avail- able, such as microwave and ultrasound assisted extraction (MAE and UAE), which are perceived as more sustainable, green techniques and e fficient ...
13
Ultrasound as a apid and Low-cost extraction procedure to obtain Anthocyanin-based colorants from Prunus spinosa L. Fruit epicarp: comparative study with conventional heat-based extraction
... conventional heat assisted extraction (HAE, or maceration) using water as a solvent followed by several isolation/drying ...long extraction times [ 10 – 12 ]. Alternative extraction ...
17
Ultrasound-assisted extraction of polyphenols from Thymus serpyllum and its antioxidant activity
... I additio , a tio ida t a ti it slightl de eased ith p olo ged e t a tio ti e a d this ould e e p- lai ed se siti it of atu al a tio ida t o pou ds to heat eleased the ult asou d p o e a d at ai e posu e. Also, ...
8
Use of Mixture Design with Minimal Restrictions to Optimize an Extraction Procedure Employing Diluted Acids Assisted by Ultrasound and Microwave for Nutrient Element Determination in Vegetal Samples
... the extraction of the ...the extraction of the analyte due to the dielectric capacity of water, which absorbs the microwave radiation and turns it into ...
10
Ultrasonic assisted extraction to obtain bioactive, antioxidant and antimicrobial compounds from marcela
... the extraction of flavonoids from leaves of Syzygium cumini ...the extraction of flavonoids. In the present study, for the ultrasound method, the extract obtained at 60°C showed the highest phenolic ...
6
Ultrasound-assisted aqueous enzymatic extraction of oil from perilla seeds and determination of its physicochemical properties, fatty acid composition and antioxidant activity
... by extraction using organic ...enzymatic extraction (AEE) has been successfully used for the extraction of oils from a variety of oil-bearing seeds, including olive (Najafian et ...2010). ...
7
Ultrasound assisted oncolytic virotherapy: in vitro and in vivo studies
... Focused UltraSound (FUS) in the presence of MicroBubbles (MB) enhances the activity of oncolytic virotherapy delivered during Isolated Limb Perfusion (ILP) through several mechanisms which include direct ...
159
Geothermal heat pump system assisted by geothermal hot spring
... usage, two underground mines, a cold mine and a hot mine, would be identified and utilized. Cold water stored in the cold mine would be used in summer, and warm water stored in the hot mine would be used in winter to ...
10
Microwave assisted extraction of betulin from birch outer bark
... ethanol (Fig. 2). This demonstrates that by using microwave assisted extraction, time and energy savings can be promptly attained when compared to the conventional Soxhlet extractions. All the above ...
6
Optimization of ultrasound-assisted enzymatic extraction and in vitro antioxidant activities of polysaccharides extracted from the leaves of Perilla frutescens
... polysaccharide extraction were as follows: a liquid-to-solid ratio of 41:1, an enzymatic time of 40 min, an enzymatic temperature of 49 °C, and an ultrasonic power of 204 ...optimal extraction conditions, ...
10
Evaluation, prediction and optimization the ultrasound-assisted extraction method using response surface methodology: antioxidant and biological properties of Stachys parviflora L.
... for extraction efficiency, shows the linear effect of the extraction time, which led to a reduction in EE; the highest extraction yield was obtained at t = 7 ...highest extraction yield ...
13
HEAT TRANSFER COEFFICIENT AND FRICTION FACTOR CHARACTERISTICS OF A GRAVITY ASSISTED BAFFLED SHELL AND HEAT-PIPE HEAT EXCHANGER
... the heat pipe to transfer thermal energy with negligible temperature drop has recently enabled it to become one of the most versatile devices in the field of heat recovery systems [1, ...the heat ...
9
Heat-Modeling of Microwave Assisted Epoxidation of Palm Acid Oil
... The microwave method of chemical reactions is relatively new as opposed to conventional thermal heating. Due to the fact that microwave heating is a common domestic method used for cooking, the vast majority of studies ...
13
CHEMICAL INTERESTERIFICATION OF COTTON OIL WITH METHYL ACETATE ASSISTED BY ULTRASOUND FOR BIODIESEL PRODUCTION
... of ultrasound results in a significant reduction in the reaction time with higher yields and lower requirement of enzyme ...that ultrasound- assisted interesterification was a fast and efficient ...
14
Extraction of rice bran oil using supercritical CO2 combined with ultrasound
... 2 extraction without US was ...the extraction time was reduced by approximately 60% with US ...in ultrasound power from 160 to 320 W decreased the global yield, whereas the time of application of ...
11