ultrasound-assisted extraction pdf


Hielscher's ultrasonic devices generate high intense ultrasound that can be exactely controlled to your process requirements. Inside the vessel, we put the solvent and the sample.

Ultrasound-assisted extraction (USAE) is an interesting process to obtain high valuable compounds and could contribute to the increase in the value of some food by-products when used as sources of natural compounds.

Compared to other advanced extraction techniques, UAE is more economic, eco-

Andayani, Dian Wuri (2017) Pengaruh Perbedaan Metode Ekstraksi (Vacuum Microvawe Assisted Extraction Dan Ultrasound Assisted Extraction) Terhadap Aktivitas Antioksidan Dan Antibakteri Empat Galur Cabai Rawit (Capsicum Frutescens L.) Lokal Malang.

. In the current chapter, we discussed about the ultrasonic assisted extraction method for carrageenan isolation.

Ultrasonic-assisted extraction is a method used to reduce extraction time and increase yield compared to conventional methods (hydrolysis in an acid medium). Extracting value-added products from microorganisms is an important research focus for the future.

Ultrasound-assisted extraction (USAE) is an interesting process to obtain high valuable compounds and could contribute to the increase in the value of some food by-products when used as sources of natural compounds. The highest extraction yield of polysaccharide (5.75%) from Verbascum thapsus flowers with a remarkable DPPHradical scavenging activity (67.66%) was resulted in the ultrasonic time of 60 min, ultrasonic temperature of 67.52 C, ultrasonic power of 371.03 W, and S/PM of 40 v/w.

Enzyme-assisted extraction is a mild, efficient and environmental friendly extraction method and it has been adopted for extracting various kinds of .

Among the many extraction methods, ultrasound-assisted extraction (UAE) has attracted more attention owing to its advantages in reducing working time, increasing yield, and improving the quality of the extract. In the present research, an ultrasound-assisted magnetic solid-phase extraction coupled with a gas chromatography-mass spectrometry hybrid system was developed for extraction/determination of trace amounts of polycyclic aromatic hydrocarbons in high-consumption soft drinks and non-alcoholic beers in Iran using magnetite graphene oxide adsorbent.

Pulsed electric fields and ultrasoundassisted green extraction of valuable compounds from Origanum v ulgare L. and Thymus serpyllum L. International Journal of Food Science & Technology, 2021.

Effect of some factors of ultrasound-assisted micellar extraction on yield of the eleven chemical components: (a) type of extraction solvent (b) concentration of trehalose lipid (mg/mL) (c) extraction time (min) (d) ultrasonic power (w) (e) liquid to solid ratio (mL/g).

All the reported applications have shown that ultrasound-assisted extraction is a green and economically viable alternative to conventional techniques for food and natural products. Ultrasound-Assisted Extraction (UAE) An ultrasound instrument (Branson 3510, Danbury, USA) with a volume of 5.7 L, a frequency of 42 kHz and an input power of 100 W was used in the experiments.

It does improve the diffusion process by accelerating mass transfer within the plant materials, causing the cell walls to rupture and to release the desired compounds .

contains high levels of bioactive compounds, especially carotenoids which possess significant antioxidant capacities.However, the peel of Gac is regarded as a waste from the production of carotenoidrich oil from Gac fruit. The extracts of the twice-extraction were mixed. extraction assisted by microwave or ultrasound is intended to overcome these difficulties by increasing extraction efficiency, selectivity and kinetics [6]. Ultrasound-assisted extraction (UAE) has proved an attractive alternative to MAD for a variety of trace metals.

1=puerarin, 2=daidzin, 3=ferulic acid, 4=calycosin-7-O--D-glucoside, 5 .

Ultrasound is an emerging technology, which has been highly explored in the food area to improve processes and products. C and US correspond to conventional extraction and ultrasound-assisted extraction, respectively.

In the present research, an ultrasound-assisted magnetic solid-phase extraction coupled with a gas chromatography-mass spectrometry hybrid system was developed for extraction/determination of trace amounts of polycyclic aromatic hydrocarbons in high-consumption soft drinks and non-alcoholic beers in Iran using magnetite graphene oxide adsorbent. The main benefits will be a more effective extraction, thus saving energy, and also the use of moderate temperatures, which is beneficial for heat-sensitive compounds. The purpose of this study was to establish an extraction method for the kinsenoside compound from the whole plant Anoectochilus roxburghii.Ultrasound assisted extraction (UAE) and Ultra-high performance liquid chromatography (UPLC) method were used to extract and determine the content of kinsenoside, while response surface method (RSM) was used to optimize the extraction process.

Working of ultrasound assisted extraction. The total flavonoid and anthocyanin contents were determined using the spectrophotometric method. In this study, carotenoids of Gac peel were extracted by microwaveassisted extraction (MAE) and ultrasound . . Single-factor experiment and Box-Behnken design were used to evaluate and optimize the effect of extraction time (40, 50, and 60 min), ultrasonic power (100, 150, and 200 W), water-solid ratio (60, 70, and 80 mL/g), and extraction temperature (70, 80, and 90 C) on the recovery of fucoidan from Nizamuddinia zanardinii by ultrasound-assisted extraction method (UAE). Main advantages and drawbacks of ultrasonic systems used for extraction (essentially, baths and probes) are established. Ultrasound-assisted extraction (USAE) is an interesting process to obtain high valuable compounds and could contribute to the increase in the value of some food by-products when used as sources of natural compounds. Extraction ultrasonic-assisted can be considered adequate to obtain extracts of marcela, which are rich in bioactive compounds with high antioxidant activity. Ultrasound-assisted solvent extraction of carotenoids from rapeseed meal was investigated and evaluated by response surface methodology. The parameters were total extraction total yield, residual solvent content, specific gravity, colour, A short summary of this paper.

This chapter is mainly concerned with the fundamentals of ultrasound-assisted extraction (UAE) of bioactive compounds using aqueous solutions.

In special, the phenomenon of cavitation in heterogeneous media is addressed.

Three extraction factors amplitude (%), time (min), and volume of ethanol (%) were evaluated.

The peel of Gac fruit (Momordica cochinchinensis Spreng.)

Full PDF Package Download Full PDF Package. In the current study, bioactive compounds of Vitis vinifera (Perlette) were extracted using an ultrasound-assisted extraction technique.

Ultrasonic Assisted Extraction (UAE) has acoustic cavitation force as the main driving force; it is capable of inducing a series of compressions and rarefactions in the molecules of the present solvent, causing the formation of bubbles as a result of changes in temperature and pressure (Figure2) [22]. View PDF.

2.3.3. 239 In general, analytes are quantitatively extracted from the solid sample using an acid solution as extractant (typically 1-5% (v/v) of nitric acid, hydrochloric acid or mixtures of both) and short sonication times (less than 5 min).

Separately, solid-liquid extraction was carried in an orbital shaker using 0.1 M hydrochloric acid at . On the basis of the developed .

Download Free PDF. Results. The responses evaluated were-total phenols, flavonoids, ferric reducing assay and yield.

In the present study, an ultrasonic-assisted extraction method was developed for the effective extraction of mangiferin from mango leaves. Wasee Ullah.

The effects of main ultrasonic-assisted extraction conditions on extraction yields of hesperidin from Penggan (C. reticulata) peel were evaluated, including extraction solvents, solvent volume, temperature, extraction time, ultrasonic power, ultrasonic frequency.

Effect of Ultrasonic Time on Yield of TPC and Chlorogenic Acid. The ultrasound power actually delivered to the extracting liquid by the sonic bath was determined by the calorimetric method.

In the present study, the ultrasonic-assisted co-extraction (UACE) of polysaccharides and triterpenoids from G. lucidum was optimized . Download Free PDF. aim of the study was conducted to compare two extraction method, maceration a nd ultrasound-assisted extraction (UAE), for obtaining optimum antiox idant.

Modified mustard varieties can produce edible oil with reduced amounts of erucic acid and glucosinolates and enhanced antioxidant potential.

We have an open vessel like a conical flask or a beaker. Object. The aim of this study was to optimize the ultrasound-assisted extraction of phenolic compounds from black locust (Robiniae pseudoacaciae) flowers using central composite design.

The liquid-to-solid . The polyphenols were extracted from the unripe apple assisted by a highly efficient and simple method of the ultrasound.

The precipitation was taken back and .

Ultrasound-assisted pressurized solvent extraction for aliphatic and polycyclic aromatic hydrocarbons from soils Journal of Chromatography A, 2006 Ricardo Salazar Download PDF Download Full PDF Package This paper A short summary of this paper 37 Full PDFs related to this paper READ PAPER Abstract.

Methods.

Ultrasound-assisted extraction is a research topic, which affects several fields of modern plant-based chemistry. The main benefits will be a more effective extraction, thus saving energy, and also the use of moderate temperatures, which is beneficial for heat-sensitive compounds. Pea protein ultrasound-assisted extraction achieved the highest yield of 82.6% at pH 9.6 and ultrasonic amplitude of 33.7% .

Application to the extraction of total fat from oleaginous seeds." by J. LuqueGarcia et al.

The effects of ultrasound-assisted extraction (UAE) conditions on extraction yields of total and individual carotenoids from papaya pulp and peel were studied using central composite design (CCD) and response surface methodology (RSM).

16,19,20 Consequently, elucidating the most productive extraction technique for lantana and its effect on .

This comprehensive reference and handbook covers all aspects of ultrasound for analytical applications. Look at the diagram.

When ultrasound is applied to a product with solid or fluid characteristics,.

The central composite design of response surface methodology (RSM) was used to determine the effect of time, temperature, and concentration of acetic acid on response variables that include extract yield, total phenolic content (TPC), total flavonoid content . Advance Extraction Techniques - Microwave assisted Extraction (MAE), Ultra sonication assisted Extraction (UAE), Supercritical Fluid Extraction (SFE), Soxhlet Extraction, Soxtec Extraction, Pressurized Fluid Extraction (PFE) or Accelerated Solvent Extraction (ASE), Shake Flask Extraction and Matrix Solid Phase Dispersion (MSPD) [4]. Pulsed electric fields and ultrasoundassisted green extraction of valuable compounds from Origanum v ulgare L. and Thymus serpyllum L. International Journal of Food Science & Technology, 2021. Practical Application.

Along with microwave assisted extraction, this is also a very effective and fast method for extraction. The results obtained indicate that ultrasonic-assisted extraction is an effective method for extracting natural compounds from Zea mays, thus allowing the full use of this abundant and inexpensive industrial waste.

This Paper.

Micro or Nano-emulsion preparation Ultrasound assisted extraction is a method for extracting various components from a mixture using ultrasound. A response surface design with three levels such as pH (2-11), solvent concentration (50-96 %), seed-to-solvent ratio (1:2-1:10), and treatment time .

Wasee Ullah.

Download Download PDF. Some parameters such as ethanol concentration, liquid-to-solid ratio, extraction temperature, and extraction time were optimized by single-factor experiment and response surface methodology.

The effects of ultrasound-assisted extraction (UAE) conditions on extraction yields of total and individual carotenoids from papaya pulp and peel were studied using central composite design (CCD) and response surface methodology (RSM). Extraction rates of carvone and limonene by ultrasound-assisted extraction with hexane were 1.3-2 times more rapid than those by the conventional extraction depending on temperature

Ultrasound assisted extraction (UAE), purification, characterization and antioxidant activity of laminarin from Irish brown seaweeds Ascophyllum nodosum and Laminarina hyperborea were investigated.

The aim of this study was to achieve the best extraction efficiency of the hydroethanolic extract of Zea mays hairs. 2.

An ultrasound-assisted extraction (leaching) method of valuable metals from discarded lithium-ion batteries (LiBs) is reported.

Polysaccharides and triterpenoids are the two major components responsible for the bioactivity of this fungus. Ganoderma lucidum (Fr.) Advance Extraction Techniques - Microwave assisted Extraction (MAE), Ultra sonication assisted Extraction (UAE), Supercritical Fluid Extraction (SFE), Soxhlet Extraction, Soxtec Extraction, Pressurized Fluid Extraction (PFE) or Accelerated Solvent Extraction (ASE), Shake Flask Extraction and Matrix Solid Phase Dispersion (MSPD) [4].

These techniques reduced the consumption of organic solvent, enabled automation and shortened extraction time (Devgun et al., 2009; Chan et al., 2011). The different letters (a, b, c and a*, b*, c*) within . Extraction (ASE) and Ultrasonic Assisted Extraction (UAE) are invented to compensate the increasing demand of natural products.

innovation of environmentally friendly extraction with the use of the time and minimum solvent.One of extraction method that will be developed is to use Ultrasound Assisted Extraction (UAE), thus increasing the efficiency and effectiveness of the extraction of the active ingredients specifically extract the dye on the sappan wood. For a . The appeal of the ultrasonically assisted extraction lies in the non-thermal treatment of the material, its easy application and the scaleability from test to production scale.

Response surface methodology was adopted to optimize the extraction conditions and antioxidant activities of the extracted total flavonoids were detected through ferric reducing antioxidant power (FRAP) assay.

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Ultrasonic Assisted Extraction (Probe-type) Ultrasonic processor Q700 (700 watts, 20kHz) from QSonica, Newtown, U.S.A with a replaceable flat tip ultrasonic probe (sonotrode) was used to conduct an extraction process of gallic acid and tannic acid from Quercus Infectoria galls.

A great number of innovative extraction methods such as ultrasound-assisted extraction, supercritical fluid extraction, extrusion and microwave extraction are now employed in the food industry . . From the contents: * Common ultrasonic devices * Elemental speciation Cabai rawit memiliki kandungan capsaisinoid (penyebab rasa pedas) yang lebih tinggi dibanding cabai . Ultrasonic-assisted extraction is an effective and rapid technique for extracting cannabis concentrates. The mangrove leaves of Rhizophora.

Applied Spectroscopy Reviews, 2006. Ultrasound-assisted extraction (UAE) has proved to be a particularly effective extraction method to reduce the extraction temperature and amount of solvent and shorten the extraction time, which is especially useful for the extraction of thermosensitive and unstable compounds. In order to obtain the maximum yield of TPC and chlorogenic acid from the root of I. helenium, ultrasound-assisted extractions were performed at five extraction time (20, 30, 40, 50 and 60 min).The effect of different extraction time on yield of TPC and chlorogenic acid is shown in Figure 3.

The antioxidant activity and extraction yield obtained under the . Ultrasound-assisted extraction (UAE) was optimized for the collection of phenolic compounds and determination of antioxidant activity of watermelon peel (WMP) and watermelon seed (WMS) using Box . 'Ultrasound', the term used to describe The freshly prepared methanol extracts of the plants were qualitatively tested for the sounds ranging from 20 kHz to 1 GHz, is usually generated by a transducer which presence of secondary metabolites using standard procedures. Ultrasound-assisted extraction (USAE) is an interesting process to obtain high valuable compounds and could contribute to the increase in the value of some food by-products when used as sources of natural compounds. Three extraction factors amplitude (%), time (min), and volume of ethanol (%) were evaluated. Similarly, ultrasound-assisted extraction of Wampee seed protein was carried out at pH 12 wherein the maximum yield obtained was 15.06% . Magister thesis, Universitas Brawijaya. This study investigated the effects of particle size and ultrasonic parameters on the yields of bioactive compounds extracted from the leaves and inflorescences of hemp. Ten DES combinations were prepared by mixing various proportions of choline chloride (ChCl), Na-acetate and Na-citrate with sugar alcohols, carboxylic acid.

Among several, the microwave-assisted (MAE) and ultrasound-assisted extraction (UAE) methods proved to be the most efficient techniques at cheaper cost, higher purity and shorter processing time compared to conventional solvent extraction. We have compared the yields of carotenoids by using five different solvent systems, and found that the highest yield can be achieved under petroleum ether/acetone (v/v = 1/1).

Ultrasound-assisted extraction method has been applied to simplify sample preparation handling to increase the extraction rate, avoid sample con- tamination, and prevent analyte losses that may occur if the sample is decom- posed before analysis by wet-decomposition or dry-ashing procedures (2). The aim of this study is to develop a green procedure that provides high-efficiency extraction of phenolic compounds from Capparis Ovata fruit with Deep Eutectic Solvent (DES) using ultrasound-assisted extraction method. Semantic Scholar extracted view of "Ultrasound-assisted Soxhlet extraction: an expeditive approach for solid sample treatment.

This review summarizes the use of UAE value-added products from microorganisms, with .

Ultrasonic-assisted Extraction (UAE) is a rapid and effective extraction technique that uses ultrasound to generate rapid movement of solvents, resulting in a higher mass transfer speed as well as acceleration of extraction. It was found that rice bran oil extraction can be efficiently performed in 30 min under high-intensity ultrasound either using hexane or a basic aqueous solution.

Ultrasound-assisted extraction of total flavonoids from corn silk and their antioxidant activities were studied. The present research explored ultrasound-assisted extraction (UAE) for antioxidants from it.

1=puerarin, 2=daidzin, 3=ferulic acid, 4=calycosin-7-O--D-glucoside, 5 .

Ultrasonic-assisted extraction (UAE) is used in this project as it is a rapid and effective extraction technique that uses ultrasound to generate rapid movement of solvents, resulting in a higher mass transfer speed as well as acceleration of extraction. For a .

A major advantage of ultrasound assisted extraction technique is that it does not generate heat. Krast, commonly known as "Lingzhi" in Chinese, is a medicinal mushroom that is rich in biologically active substances.

UAE was carried out using 60% ultrasonic power amplitude and 0.1 M hydrochloric acid for 15 min.

The application of ultrasound to the sample cartridge enormously decreases the number of Soxhlet extra

Watermelon seed protein was extracted under various operating parameters, and the . Microwave assisted extraction is one of the advanced Read Paper.

This suggests that the Ultra sonication-Assisted extraction process is more selective than the conventional one. 2.

2.3.

Download Free PDF. They are used as raw materials in the cosmetic, food, and pharmaceutical industries.

Ultrasonic extraction has a very simple and open assembly.

When ultrasound is applied to a product with solid or fluid characteristics, the passage of acoustic waves and acoustic cavitation generates different mechanisms responsible for modifications in the original matrix of the sample.

Conventional Soxhlet extraction assisted in the cartridge by ultrasound has been developed and used to extract the total fat content from oleaginous seeds such as sunflower, rape and soybean seeds.

The extract obtained at 60C by the ultrasound method had high antimicrobial action in relation to the strains of Salmonella sp., Escherichia coli, and Staphylococcus aureus. 37 Full PDFs related to this paper. U frequency affects the.

Response surface methodology (RSM) was used with the Box-Behnken design. Effect of some factors of ultrasound-assisted micellar extraction on yield of the eleven chemical components: (a) type of extraction solvent (b) concentration of trehalose lipid (mg/mL) (c) extraction time (min) (d) ultrasonic power (w) (e) liquid to solid ratio (mL/g).

The method used laboratory experiment using descriptive analysis.

Response surface methodology was used to investigate the effects of processing parameters, including ultrasound power, extraction time, temperature, and ethanol concentration on total polyphenols yield and polyphenols composition was analyzed by HPLC.

The response surface methodology (RMS) was employed to optimize the yield of bioactive substances.

Currents on Ultrasound-Assisted Extraction for Sample Preparation and Spectroscopic Analytes Determination. This study evaluated the antimicrobial activity (i.e., against Bacillus cereus and Staphylococcus aureus ) and the antioxidant activity (i.e., ABTS, FRAP, and DPPH) of annatto seeds extract obtained by ultrasound-assisted extraction.

It was made of titanium alloy that had a tip diameter of 12 . This research used amplitude: 25, 50, 75, and 100%.

The objective of this study was to demonstrate the potential of US treatment on PAs extracted from kiwifruit (Actinidia chinensis) leaves, and to provide a . Effect of the solvent nature and ultrasound on total polyphenols content, TPC.

Hydro-ethanolic solvent ratio, amplitude, and temperature were the independent factors while % extraction yield, total phenolic content (TPC), total flavonoid content (TFC .

The main benefits will be a more effective extraction, thus saving energy, and also the use of moderate temperatures, which is beneficial for heat-sensitive compounds.

Therefore, this work focused on the optimisation of the ultrasoundassisted extraction of compounds with high antioxidant capacity from three white mustard seed cultivars using response surface methodology.

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The ethanol concentration (33-67%), extraction temperature (33-67 C), and extraction time (17-33 min) were analyzed as the factors that impact the total phenolic content.

Using ultrasound (US) in proanthocyanidin (PA) extraction has become one of the important emerging technologies.

The main benefits will be a more effective extraction, thus saving energy, and also the use of moderate temperatures, which is beneficial for heat-sensitive compounds.

Low frequency ultrasound was employed to extract bioactive compounds from the inflorescence part of Cannabis.

g for 10 min and the supernatant was collected.

Mild organic citric or acetic acids were used as leaching agents for a more environmentally-friendly recovery of the lithium, nickel, cobalt, and manganese from the discharged and crushed lithium nickel-manganese-cobalt oxide (NMC) LiBs.

The ultrasound energy input, W, was 0.242 kWh/kg.

[19] converts mechanical or electrical energy into high frequency vibrations. These effects of ultrasound can also be used . Through a three-level, three-variable Box .

The impacts of ethanol concentration, extraction time, and . The optimal . We put the ultrasound probe inside the vessel and start the extraction process.

Results showed .

Ethanol was used as solvent and material size was 18 mesh.

Besides classical extraction techniques, it also provides an overview of ultrasound applications and devotes two chapters to proteomics and polymer technology. peer-to-peer learning project m2rbiotech2020/2021 ul-pharmacy influencing parameters of ultrasound extraction physical parameters: power and frequency high ultrasonic power causes major alterations in materials by inducing greater shear forces most commonly used frequencies are comprised between 20 khz and 100 khz intensity the energy

Compared to other advanced extraction techniques, UAE is more economic, eco-friendly, and convenient (Teng et al., 2016).

In this context, the use of ultrasound or sonication to break the cell membranes has the advantage of reducing considerably the extraction time and Ultrasound is an emerging technology, which has been highly explored in the food area to improve processes and products.

The concentration of CO 2 in water CO 2 system was 7.05 mmol/L. The ultrasound-assisted extraction (UAE) was carried out in an ultrasonic device (KJ1004B, Kejin Instrument Company, Guangzhou, China) with an ultrasound power of 200 W and frequency of 40 kHz, equipped with a temperature controller and a digital timer. Ultrasound-assisted extraction (UAE) was optimized for the collection of phenolic compounds and determination of antioxidant activity of watermelon peel (WMP) and watermelon seed (WMS) using Box . It could be the next generation for studying the US mechnophore impact on the bioactive compound's functionality. Additionally, ultrasound considerably improved the extraction of cannabinoids present in Cannabis. Download Download PDF.

white tea extract using Ultrasound Assisted Extraction (UAE).

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