scholarly journals Recovery of Protein from Dairy Milk Waste Product Using Alcohol-Salt Liquid Biphasic Flotation

Processes ◽  
2019 ◽  
Vol 7 (12) ◽  
pp. 875 ◽  
Author(s):  
Pei En Tham ◽  
Yan Jer Ng ◽  
Revathy Sankaran ◽  
Kuan Shiong Khoo ◽  
Kit Wayne Chew ◽  
...  
Keyword(s):  
Dairy Products ◽  
Separation Efficiency ◽  
Protein Extraction ◽  
Waste Product ◽  
Operating Conditions ◽  
Protein Recovery ◽  
Potential Health ◽  
Milk Products ◽  
Recovery Yield ◽  
Novel Approach

Expired dairy products are often disposed of due to the potential health hazard they pose to living organisms. Lack of methods to recover valuable components from them are also a reason for manufactures to dispose of the expired dairy products. Milk encompasses several different components with their own functional properties that can be applied in production of food and non-food technical products. This study aims to investigate the novel approach of using liquid biphasic flotation (LBF) method for protein extraction from expired milk products and obtaining the optimal operating conditions for protein extraction. The optimized conditions were found at 80% concentration ethanol as top phase, 150 g/L dipotassium hydrogen phosphate along with 10% (w/v) milk as bottom phase, and a flotation time of 7.5 min. The protein recovery yield and separation efficiency after optimization were 94.97% and 86.289%, respectively. The experiment has been scaled up by 40 times to ensure it can be commercialized, and the protein recovery yield and separation efficiency were found to be 78.92% and 85.62%, respectively. This novel approach gives a chance for expired milk products to be changed from waste to raw materials which is beneficial for the environment and the economy.

scholarly journals Application of a Liquid Biphasic Flotation (LBF) System for Protein Extraction from Persiscaria Tenulla Leaf

Processes ◽  
2020 ◽  
Vol 8 (2) ◽  
pp. 247
Author(s):  
Hui Shi Saw ◽  
Revathy Sankaran ◽  
Kuan Shiong Khoo ◽  
Kit Wayne Chew ◽  
Win Nee Phong ◽  
...  
Keyword(s):  
Large Scale ◽  
Separation Efficiency ◽  
Protein Extraction ◽  
Cost Effective ◽  
Protein Recovery ◽  
Therapeutic Effects ◽  
Recovery Yield ◽  
Extraction And Separation ◽  
System A ◽  
Medicinal Value

Persiscaria tenulla, commonly known as Polygonum, is a plant belonging to the family Polygonaceae, which originated from and is widely found in Southeast Asia countries, such as Indonesia, Malaysia, Thailand, and Vietnam. The leaf of the plant is believed to have active ingredients that are responsible for therapeutic effects. In order to take full advantage of a natural medicinal plant for the application in the pharmaceutical and food industries, extraction and separation techniques are essential. In this study, an emerging and rapid extraction approach known as liquid biphasic flotation (LBF) is proposed for the extraction of protein from Persiscaria tenulla leaves. The scope of this study is to establish an efficient, environmentally friendly, and cost-effective technology for the extraction of protein from therapeutic leaves. Based on the ideal conditions of the small LBF system, a 98.36% protein recovery yield and a 79.12% separation efficiency were achieved. The upscaling study of this system exhibited the reliability of this technology for large-scale applications with a protein recovery yield of 99.44% and a separation efficiency of 93.28%. This technology demonstrated a simple approach with an effective protein recovery yield and separation that can be applied for the extraction of bioactive compounds from various medicinal-value plants.

scholarly journals Modification of Milk Fat

2015 ◽  
Vol 58 (3) ◽  
pp. 168-174
Author(s):  
Muhammad Nadeem
Keyword(s):  
Fatty Acids ◽  
Serum Cholesterol ◽  
Significant Influence ◽  
Milk Fat ◽  
Dairy Products ◽  
Ldl Cholesterol ◽  
Unsaturated Fatty Acids ◽  
Potential Health ◽  
Milk Products ◽  
Milk And Dairy Products

The potential health benefits associated with the intake of unsaturated fatty acids for the reduction of bad LDL cholesterol has been scientifically proven. Concentration of unsaturated fatty acids in milk and dairy products can be increased by many ways, however, many of the modification strategies do not have any significant impact on the reduction of cholesterol from milk and milk prodcuts. The concentration of unsaturated fatty acids in milk fat can also be decreased by dry fraction, interesterification, transeterification etc. Milk products with higher magnitude of unsaturated fatty acids may have significant influence on the reduction of serum cholesterol. 

scholarly journals Goat Milk: Compositional, Technological, Nutritional, and Therapeutic Aspects

2021 ◽  
Author(s):  
Ahmed R. A. Hammam ◽  
Saleh M. Salman ◽  
Mohamed S. Elfaruk ◽  
Khalid A. Alsaleem
Keyword(s):  
Cardiovascular Disease ◽  
Milk Production ◽  
Dairy Products ◽  
Health Benefits ◽  
Goat Milk ◽  
Milk Composition ◽  
Potential Health ◽  
Nutritional Values ◽  
Comprehensive Review ◽  
Milk Products

Since the 1980s, a growing interest in goat milk was noticed due to the nutritional values and health benefits of this milk, which resulted in increasing goat populations and milk production worldwide. This comprehensive review elaborates on goat milk composition compared to other types of milk. It is also an overview of goat milk production, properties, nourishment-value, applications in dairy products, and potential health benefits. Goat milk composition and its characteristics are slightly different from other types of milk and can be utilized to manufacture many dairy products. Fresh goat milk and goat milk products (e.g., yogurt and kefir were found to provide various potential health benefits, such as anti-inflammatory, prevent cardiovascular disease, anti-diabetic and antihypertensive, strengthen bones, boost immunity, and improve metabolism.

Dairy Queen. Churns and milk products in the Aegean Bronze Age

2014 ◽  
Vol 7 ◽  
pp. 205-222 ◽  
Author(s):  
Sarah P. Morris
Keyword(s):  
Bronze Age ◽  
Dairy Products ◽  
Near East ◽  
Eastern Mediterranean ◽  
Early Bronze Age ◽  
Archaeological Record ◽  
Specific Function ◽  
Milk Products ◽  
The Third ◽  
Household Processing

This article assembles examples of an unusual vessel found in domestic contexts of the Early Bronze Age around the Aegean and in the Eastern Mediterranean. Identified as a “barrel vessel” by the excavators of Troy, Lesbos (Thermi), Lemnos (Poliochni), and various sites in the Chalkidike, the shape finds its best parallels in containers identified as churns in the Chalcolithic Levant, and related vessels from the Eneolithic Balkans. Levantine parallels also exist in miniature form, as in the Aegean at Troy, Thermi, and Poliochni, and appear as part of votive figures in the Near East. My interpretation of their use and development will consider how they compare to similar shapes in the archaeological record, especially in Aegean prehistory, and what possible transregional relationships they may express along with their specific function as household processing vessels for dairy products during the third millennium BC.

Pengenalan Berbagai Olahan Susu Sebagai Alternatif Usaha yang Menjanjikan di Masyakarat Desa Cisempur Jatinangor Sumedang Jawa Barat

2020 ◽  
Vol 1 (4) ◽  
pp. 299-305
Author(s):  
Primiani Edianingsih ◽  
Raden Febrianto Christi
Keyword(s):  
Human Body ◽  
Dairy Products ◽  
Public Awareness ◽  
Active Participation ◽  
Nutritional Content ◽  
Milk Products ◽  
Pasteurized Milk ◽  
The People ◽  
Post Test

Abstrak: Susu merupakan produk hasil ternak berupa cairan putih dengan kandungan gizi yang lengkap serta memberikan manfaat bagi tubuh manusia. Sebagai upaya dalam meningkatkan kesadaran masyarakat dalam pemahaman berbagai produk olahan susu maka diadakan penyuluhan. Pengabdian ini telah dilaksanakan kepada masyarakat Desa Cisempur Kecamatan Jatinangor dengan diikuti sebanyak 22 peserta yang terdiri atas kalangan ibu rumah tangga. Metode pelaksanaan dengan cara partisipasi aktif dari peserta dengan pengenalan berbagai produk olahan susu. Tahapan dimulai dengan sebaran kuisioner pre test  sebelum kegiatan dilakukan dengan 20 pertanyaan yang diajukan, lalu pemaparan materi berbagai olahan susu mulai dari pendahuluan terkait susu sampai produk olahan susu, Penyebaran kuisioner Post test kepada peserta setelah acara selesai dengan pertanyaan yang sama seperti pre test. Kemudian membuat salah satu produk susu kepada peserta berupa susu pasteurisasi. Hasil menunjukkan bahwa terjadi peningkatan pengenalan produk olahan susu pada masyarakat Desa Cisempur Kecamatan Jatinangor yang hadir setelah melakukan pre test dan post test.Abstract: Milk is a livestock product in the form of a white liquid with complete nutritional content and provides benefits to the human body. As an effort to increase public awareness in understanding various dairy products, counseling was held. This service has been carried out for the community of Cisempur Village, Jatinangor District, followed by 22 participants consisting of housewives. The method of implementation is by means of active participation of the participants with the introduction of various dairy products. The stages began with the distribution of pre-test questionnaires before the activity was carried out with 20 questions, then the presentation of various dairy products, from the introduction to milk to dairy products, the distribution of post test questionnaires to participants after the event was over with the same questions as the pre test. Then make one of the milk products for the participants in the form of pasteurized milk. The results showed that there was an increase in the introduction of dairy products in the people of Cisempur Village, Jatinangor District who attended after doing the pre test and post test.

Waste to Energy Conversion and Sustainable Recovery of Nutrients from Pee Power - Recent Advancements in Urine-Fed MFCs

2020 ◽  
Vol 17 (7) ◽  
pp. 768-779
Author(s):  
Natarajan Narayanan ◽  
Vasudevan Mangottiri ◽  
Kiruba Narayanan
Keyword(s):  
Power Generation ◽  
Microbial Fuel Cells ◽  
Alternative Energy ◽  
Material Selection ◽  
Waste Product ◽  
Resource Recovery ◽  
Operating Conditions ◽  
Waste To Energy ◽  
Animal Origin ◽  
Human Beings

Microbial Fuel Cells (MFCs) offer a sustainable solution for alternative energy production by employing microorganisms as catalysts for direct conversion of chemical energy of feedstock into electricity. Electricity from urine (urine-tricity) using MFCs is a promising cost-effective technology capable of serving multipurpose benefits - generation of electricity, waste alleviation, resource recovery and disinfection. As an abundant waste product from human and animal origin with high nutritional values, urine is considered to be a potential source for extraction of alternative energy in the coming days. However, developments to improve power generation from urine-fed MFCs at reasonable scales still face many challenges such as non-availability of sustainable materials, cathodic limitations, and low power density. The aim of this paper was to critically evaluate the state-of-the-art research and developments in urine-fed MFCs over the past decade (2008-2018) in terms of their construction (material selection and configuration), modes of operation (batch, continuous, cascade, etc.) and performance (power generation, nutrient recovery and waste treatment). This review identifies the preference for sources of urine for MFC application from human beings, cows and elephants. Among these, human urine-fed MFCs offer a variety of applications to practice in the real-world scenario. One key observation is that, effective disinfection can be achieved by optimizing the operating conditions and MFC configurations without compromising on performance. In essence, this review demarcates the scope of enhancing the reuse potential of urine for renewable energy generation and simultaneously achieving resource recovery.

"Recent Patents on the Triboelectrostatic Separation of Fly Ash"

2019 ◽  
Vol 13 ◽  
Author(s):  
Haisheng Li ◽  
Wenping Wang ◽  
Yinghua Chen ◽  
Xinxi Zhang ◽  
Chaoyong Li
Keyword(s):  
Fly Ash ◽  
Power Plants ◽  
High Efficiency ◽  
Separation Efficiency ◽  
High Reliability ◽  
Operating Conditions ◽  
Security Requirements ◽  
Unburned Carbon ◽  
Efficient Operation ◽  
Triboelectrostatic Separation

Background: The fly ash produced by coal-fired power plants is an industrial waste. The environmental pollution problems caused by fly ash have been widely of public environmental concern. As a waste of recoverable resources, it can be used in the field of building materials, agricultural fertilizers, environmental materials, new materials, etc. Unburned carbon content in fly ash has an influence on the performance of resource reuse products. Therefore, it is the key to remove unburned carbon from fly ash. As a physical method, triboelectrostatic separation technology has been widely used because of obvious advantages, such as high-efficiency, simple process, high reliability, without water resources consumption and secondary pollution. Objective: The related patents of fly ash triboelectrostatic separation had been reviewed. The structural characteristics and working principle of these patents are analyzed in detail. The results can provide some meaningful references for the improvement of separation efficiency and optimal design. Methods: Based on the comparative analysis for the latest patents related to fly ash triboelectrostatic separation, the future development is presented. Results: The patents focused on the charging efficiency and separation efficiency. Studies show that remarkable improvements have been achieved for the fly ash triboelectrostatic separation. Some patents have been used in industrial production. Conclusion: According to the current technology status, the researches related to process optimization and anti-interference ability will be beneficial to overcome the influence of operating conditions and complex environment, and meet system security requirements. The intelligent control can not only ensure the process continuity and stability, but also realize the efficient operation and management automatically. Meanwhile, the researchers should pay more attention to the resource utilization of fly ash processed by triboelectrostatic separation.

CFD Investigation of Downhole Natural Gas Separation Efficiency in the Churn Flow Regime

2021 ◽  
Author(s):  
Charles Okafor ◽  
Patrick Verdin ◽  
Phill Hart
Keyword(s):  
Natural Gas ◽  
Flow Regime ◽  
Gas Separation ◽  
Separation Efficiency ◽  
Operating Conditions ◽  
Analytical Models ◽  
Design Stage ◽  
Average Error ◽  
Multiphase Model ◽  
Churn Flow

Abstract Downhole Natural Gas Separation Efficiency (NGSE) is flow regime dependent, and current analytical models in certain conditions lack accuracy. Downhole NGSE was investigated through 3D Computational Fluid Dynamics (CFD) transient simulations for pumping wells in the Churn flow regime. The Volume of Fluid (VOF) multiphase model was considered along with the k – ε turbulence model for most simulations. A mesh independence study was performed, and the final model results validated against experimental data, showing an average error of less than 6 %. Numerical simulation results showed that the steady state assumption used by current mathematical models for churn flow can be inaccurate. Several key parameters affecting the NGSE were identified, and suggestions for key improvements to the widely used mathematical formulations for viscous flow provided. Sensitivity studies were conducted on fluid/geometric parameters and operating conditions, to gain a better understanding of the influence of each parameter on NGSE. These are important results as they equip the ESP engineer with additional knowledge to maximise the NGSE from design stage to pumping operations.

scholarly journals DYNAMICS OF DAIRY PRODUCTS CONSUMPTION IN POLAND AGAINST THE BACKGROUND OF THE EU

2020 ◽  
Vol 56 (2) ◽  
Author(s):  
Piotr Bórawski ◽  
Mariola Grzybowska-Brzezińska ◽  
James Willam Dunn
Keyword(s):  
Dairy Products ◽  
Consumer Preferences ◽  
Skim Milk ◽  
Ice Cream ◽  
Powdered Milk ◽  
Milk Products ◽  
Average Consumption ◽  
Per Capita Consumption ◽  
Milk And Dairy Products ◽  
The Eu

Consumption is among the key determinants of milk production and profitability. The main purpose of this paper is to present the level of and changes in milk and dairy products consumption in the EU in 2004–2018. Due to changing consumer preferences, the average consumption of milk and milk products in EU countries is on an increase. In turn, Poland witnesses growth in consumption of milk for ripening and processed cheese and yogurt. In 2004–2017, per capita consumption of ice cream, cheese and powdered milk followed a downward trend. In order to examine changes in the consumption of milk and milk products, a forecast was prepared which shows that in 2018–2022, Poland will experience an increase in the average monthly consumption of milk, ice cream and cheese. On the other hand, the EU will report growth in consumption of fresh dairy products, butter, cheese, skim milk and powdered milk, and a decrease in casein consumption.

scholarly journals High throughput method development and optimised production of leaf protein concentrates with potential to support the agri-industry

2021 ◽  
Author(s):  
Ajay Iyer ◽  
Lisa Guerrier ◽  
Salomé Leveque ◽  
Charles S. Bestwick ◽  
Sylvia H. Duncan ◽  
...  
Keyword(s):  
Amino Acid ◽  
High Throughput ◽  
High Throughput Screening ◽  
Protein Extraction ◽  
Leaf Protein ◽  
Protein Recovery ◽  
Screening Methods ◽  
Extraction Technology ◽  
Protein Concentrates ◽  
Ethanol Precipitation

AbstractInvasive plants offer an interesting and unconventional source of protein and the considerable investment made towards their eradication can potentially be salvaged through their revalorisation. To identify viable sources, effective and high-throughput screening methods are required, as well as efficient procedures to isolate these components. Rigorous assessment of low-cost, high-throughput screening assays for total sugar, phenolics and protein was performed, and ninhydrin, Lever and Fast Blue assays were found to be most suitable owing to high reliability scores and false positive errors less than 1%. These assays were used to characterise invasive Scottish plants such as Gorse (Ulex europeans), Broom (Cystisus scoparius) and Fireweed (Chamaenerion angustifolium). Protein extraction (alkali-, heat- and enzyme assisted) were tested on these plants, and further purification (acid and ethanol precipitation, as well as ultrafiltration) procedures were tested on Gorse, based on protein recovery values. Cellulase treatment and ethanol precipitation gave the highest protein recovery (64.0 ± 0.5%) and purity (96.8 ± 0.1%) with Gorse. The amino acid profile of the purified protein revealed high levels of essential amino acids (34.8 ± 0.0%). Comparison of results with preceding literature revealed a strong association between amino acid profiles and overall protein recovery with the extraction method employed. The final purity of the protein concentrates was closely associated to the protein content of the initial plant mass. Leaf protein extraction technology can effectively raise crop harvest indices, revalorise underutilised plants and waste streams.

Sign in / Sign up

Export Citation Format

Share Document