High-intensity ultrasound-assisted extraction of phenolic …

In this context, an extract rich in phenolic compounds was obtained from Vigna unguiculata (cowpea) pods by optimizing the high-intensity ultrasound conditions (10 min and 36% of amplitude) using response surface methodology. Then, the extract was encapsulated in Ca(II)-alginate beads with the addition of arabic or guar gums or cowpea …

Development of a new extraction method based on high-intensity …

When comparing these two, the high-intensity ultra-sonication protocol was less laborious, faster and allowed to extract 3.5 times more RNA compared to the liquid nitrogen pestle protocol. The high-intensity ultra-sonication protocol was then tested on five Planktothrix strains, this protocol allowed to obtain >8.5 μg of RNA for ...

The Impact of High-Intensity Ultrasound-Assisted Extraction …

Hempseed protein has become a promising candidate as a future alternative protein source due to its high nutritional value. In the current study, hempseed protein isolate (HPI) was obtained using ultrasonic-assisted extraction with the aim to improve the functionality of HPI via protein structure modification.

A New Method of Predicting the Height of the Fractured …

Violent movement of the roof rock and severe damage to the overlying strata occur in the large mined-out space left by rapidly advancing, high-intensity longwall coal mine extraction, as the goaf forms. Knowing the height of the fractured water-conducting zone (FWCZ) above the goaf is vital in the safety analysis of coal mining, particularly …

Pressurized liquids vs. high intensity focused ultrasounds …

Pressurized liquids extraction (PLE) is a sustainable technique scarcely applied for the extraction of proteins. PLE and high intensity focused ultrasounds (HIFU) have been compared in this work ...

High-intensity interval training: optimizing oxygen

Critical velocity and D' were estimated from three to five high-intensity trials to exhaustion. Then, the subjects performed three trials with a single recovery interval after 30 s (Rec 30s), after 3 min (Rec 3min) and after exhaustion (Rec Tlim) to verify whether postponing the first recovery interval enhances the time to exhaustion. Finally ...

A fast high-intensity pulsed electric fields (PEF)-assisted extraction

A novel high-intensity pulsed electric fields (PEF) technique for the extraction of dissoluble calcium from bone is proposed. Various experimental conditions of the PEF treatment, such as electric field strength (0–70 kV/cm), pulse numbers (0–12) and citric acid concentration (0–2%) were investigated.The results showed that the …

Extraction and Yield Optimisation of Fucose, Glucans and

The objectives of this study were to employ response surface methodology (RSM) to investigate and optimize the effect of ultrasound-assisted extraction (UAE) variables, temperature, time and amplitude on the yields of polysaccharides (fucose and total glucans) and antioxidant activities (ferric reducing antioxidant power (FRAP) and 1,1 …

Optimization of high-intensity pulsed electric field …

solvent extraction method, new extracting technologies of the PC such as ultrasonic-assisted extraction, microwave-assisted extraction and supercritical CO 2 extraction are still the research hotspot. However, there are still some unsolved problems like time-consuming, high energy consumption and high impurity. PEF is an

The Impact of High-Intensity Ultrasound-Assisted …

Hempseed protein has become a promising candidate as a future alternative protein source due to its high nutritional value. In the current study, hempseed protein isolate (HPI) was obtained using …

Application of High-Intensity Ultrasound to Improve Food …

High-power ultrasound can be used as a tool for the extraction of essential components. A Sono-Soxhlet system consists of an ultrasonic probe immersed directly …

Optimization of extraction parameters for trehalose from …

High-intensity pulsed electric fields (PEF) was applied to treat beer waste brewing yeasts (BWBY) to improve the permeability of yeast cell membrane in order to extract trehalose.

The Impact of High-Intensity Ultrasound-Assisted Extraction …

The impact of high-intensity ultrasound (HIU) on plant protein extraction has been widely investigated for decades . HIU can generate a series of physical effects via acoustic cavitation, such as high shear force, micro-jets, turbulent flow, and high temperature and pressure in localized areas.

A Review on High-Power Ultrasound-Assisted Extraction of …

A Review on High-Power Ultrasound-Assisted Extraction of Olive Oils: Effect on Oil Yield, Quality, Chemical Composition and Consumer Perception ... Avogadro M., Cintas P. Improved extraction of vegetable oils under high-intensity ultrasound and/or microwaves. Ultrason. Sonochem. 2008; 15:898–902. doi: …

PMC Elite Dangerous, Resource Extraction Sites (RES)

On high intensity sites the extractable resources are high but there are fewer authority vessels and more pirates which makes this a high risk high reward situation. Resource Extraction Site is very interesting place because there are asteroids, miners, police and of course the pirates, but at least low intensity resource extraction site is ...

Evidence-Based Effects of High-Intensity Interval Training on Exercise

2. Interval Training. Interval training is characterized by short bursts of intense activities that elicit ≥90% of V ˙ O 2max [], >75% of maximal power [] or supra-maximal effort [16,17,18], with periods of rest or low-intensity exercise for recovery.The most used types of interval training models are: (1) the high-intensity interval training (HIIT) model with …

High-intensity pulsed electric field-assisted acidic extraction …

@article{DuHighintensityPE, title={High-intensity pulsed electric field-assisted acidic extraction of pectin from citrus peel: Physicochemical characteristics and emulsifying properties}, author={Yuyi Du and Shikai Zhang and Geoffrey I N Waterhouse and Tao Zhou and Fang-Yi Xu and Ranran Wang and Dongxiao Sun-Waterhouse and Peng Wu}, …

High-intensity single-pulse extraction using a laser …

Single-pulse extraction with a single reflective GaAs switch activated by a Ti:sapphire laser was demonstrated for the THz FEL. Even with the simple experimental setup, the maximum energy achieved was 75.8 μ J at a wavelength of 70 μ m (4.3 THz) with the noise-to-signal ratio of less than 1% in nanosecond time scale.

High-Intensity Ultrasound-Assisted Extraction of Pectin …

This study reports on energy-efficient high-intensity ultrasound-assisted extraction (HIUAE) to extract pectin from mango peels. The analysis considered the ripening stage of the fruit (0, 2, and 4), HIUAE frequency (37 kHz and 80 kHz), and extraction time (20 min, 25 min, and 30 min). Extractions of pectin from mango peels …

The establishment of efficient bioconversion, extraction, and …

This promising result would be beneficial to the industrial utilisation of phyllodulcin as a potential high-intensity sweetener. The establishment of efficient bioconversion, extraction, and isolation processes for the production of phyllodulcin, a potential high intensity sweetener, from sweet hydrangea leaves (Hydrangea macrophylla Thunbergii

Resource Extraction Site | Elite Dangerous Wiki

Resource Extraction Sites (RES) are persistent mining locations within asteroid fields that occur on planetary rings. Upon entering they are randomly populated with a variety of NPC ships, including mining ships, …

Identification and Optimization of a Novel Taxanes Extraction …

Taxanes are a series of natural compounds with great application potential in antitumor therapy, whereas the lack of efficient taxanes extraction methods significantly hinders the development of taxanes. The high-intensity pulsed electric field (PEF) is a novel technology used to extract bioactive ingredients from food and other natural …

High intensity ultrasound-assisted extraction of oil from …

The application of 20 kHz high-intensity ultrasound during extraction of oil from two varieties of soybeans (TN 96-58 and N 98-4573) using hexane, isopropanol and a 3:2 hexane–isopropanol mixture was evaluated. In a simplified extraction procedure, ground soybeans were added to solvents and ultrasonicated between 0 and 3 h at …

The Effect of High-Intensity Ultrasound and Natural Oils on …

The extraction of lycopene was carried out with three types of vegetable oils (grape, extra olive, and peanut) by means of two methods: agitation and high-intensity ultrasound with a frequency of 20 kHz at an amplitude of 80% with periods of 40 s of sonication for 20 min at a temperature of 40 °C.

Extraction of inulin from Burdock root (Arctium lappa) using high …

The use of high intensity ultrasound significantly improves the extraction of inulin contained within the body of Burdock root. It was shown that increasing the amplitude (from 20% to 85%) and ...

High intensity perturbations induce an abrupt shift in soil …

Here we demonstrate experimentally that intense pulses of drought equivalent to a 30-year drought event (<15% WHC) induce a major shift in the soil microbial …

Optimization of high-intensity pulsed electric field-assisted

Procyanidins (PC) from Vitis amurensis seeds was extracted using high-intensity pulsed electric field (PEF). The process parameters including pulse number, electric field strength, ratio of ...

Recent advance in high-intensity ultrasound modification of …

High-intensity ultrasound (HIU), a physical processing method operating within the frequency range of 20–200 kHz, holds appeal due to its efficiency, ... HIU facilitates the extraction of food proteins and bioactive peptides, improving yield and extraction rate through bubble cavitation in biological matrices (Kadam et al., 2015). …

Advances in ultrasound assisted extraction of bioactive

High-intensity ultrasound has the advantages of low cost, good repeatability, simplicity and effectiveness. It can be an easy-to-use industry-related …

High-intensity pulsed electric field-assisted acidic extraction …

In this study, comparisons were made on the pectin production processes, as well as the physicochemical characteristics and structural properties of the pectin prepared via a high-intensity pulsed electric field (HIPEF) pretreatment of citrus peel powder followed by a milder acidic extraction (pH 2, heating at 70 °C for 1 h; the pectin termed ...

Exploring Ultrasound, Microwave and Ultrasound–Microwave …

Moreover, future technological improvements aiming to control extraction parameters such as temperature will be needed in order to apply high-intensity UAE …

High-Intensity Ultrasound-Assisted Extraction of Pectin …

Valorisation of food processing by-products is a welcome and developing area. The mango processing industry produces 40% to 60% of the fruit as solid waste, in which components of industrial interest, such as pectin, are lost. This study reports on energy-efficient high-intensity ultrasound-assisted extraction (HIUAE) to extract pectin …

Pressurized liquids vs. high intensity focused ultrasounds …

Pressurized liquids extraction (PLE) is a sustainable technique scarcely applied for the extraction of proteins. PLE and high intensity focused ultrasounds (HIFU) have been compared in this work to recover proteins from a pomegranate seed waste. PLE extracted more proteins than HIFU, but it took longer and still co-extracted phenolic …

Development of a new extraction method based …

The new method we proposed based on the use of HI ultra-sonication is rapid, easy, and allows for the extraction of RNA with high integrity and high purity for use for downstream applications, such as …

Extraction of policosanols from hydrolysed rice bran wax by high …

This study provided a detailed method for extraction and purification of policosanols from hydrolysed rice bran wax (RBW) by high-intensity ultrasound (HIU), where the hydrolysis of RBW under HIU was focused. The optimised operating conditions for hydrolysis were as the following: 20 kHz, 100 W, 1:2 of wax to 4% sodium hydroxide (w:v) and 50 min at …